Expromet Technologies Group: single-source manufacturing for performance-critical components

Manufacturers today face increasing pressure to manage complex supply chains, meet high quality standards and deliver components on time, all whilst maintaining cost-efficiency. For OEMs, Tier 1 suppliers and Primes, coordinating multiple suppliers and processes often leads to unnecessary complications and delays, as well as added costs.

Expromet Technologies Group offers a simpler solution. By combining the capabilities of three market-leading companies: Haworth Castings, Investacast, and Metaltech Precision, Expromet provides a single-source solution for precision-engineered components. This approach enables customers to streamline their procurement processes, reduce risk and improve efficiency across the entire manufacturing cycle.

Expromet delivers innovative manufacturing solutions across industries such as aerospace, defence, energy and rail. With UK-based manufacturing expertise and a trusted global network, Expromet ensures that each component meets the highest quality and safety standards alongside supply chain resilience.

Industries we serve

Expromet Technologies Group supports industries where performance-critical components are essential. Expromet’s three sister companies Haworth Castings, Investacast, and Metaltech Precision combine their expertise to offer a complete manufacturing solution for the demands of each sector.

Aerospace and defence

In the aerospace and defence sectors, precision and reliability are paramount. Components must withstand extreme conditions, from the high stresses of aviation to the challenges of military applications. Expromet meets these needs with AS9100-certified machining and ISO9001-accredited casting services, ensuring all parts meet strict aerospace standards for performance, safety and traceability.

Example air, land and sea defence components include components for avionics, transmission systems, missile systems, cooling systems, drone engines, de-mining systems, ordnance, structural vehicle components and submarine trolley.

Expromet’s long-standing partnerships with leading aerospace and defence manufacturers provide the engineering expertise needed to solve complex challenges and ensure components are delivered to exacting standards.

Energy and marine

From offshore drilling to subsea exploration, the energy and marine industries demand parts that can withstand the harshest environments. Expromet’s advanced casting and machining capabilities provide high-strength, corrosion-resistant components for applications ranging from power generation to subsea oil rigs.

Example offshore technology components include those for safety equipment, pipeline valve actuation, pollution control systems, downhole equipment, subsea control systems and exploration equipment.

Expromet’s ability to deliver high-integrity parts with reliable performance helps to minimise downtime for energy and marine customers, while also improving supply chain resilience.

Automotive and rail

As the automotive industry focuses on lightweighting, fuel efficiency and safety, manufacturers require high-quality castings and precision-machined parts that meet industry standards. Expromet provides a diverse range of solutions for automotive and rail components, from brake systems to chassis parts.

Example performance automotive components from Expromet include steering components, engine components, EV components, interiors and lighting, bodywork, transmission, brakes and structural components.

Medical and scientific equipment

In the medical device sector, precision and cleanliness are critical. Expromet’s high-precision machining and casting services ensure that components meet the most stringent regulatory requirements for medical instruments and scientific equipment.

Example components: surgical instruments, diagnostic equipment, medical pumps.

Industrial automation and warehousing

Encompassing robotics and smart facilities, the industrial automation and warehousing industry demands components that offer precision, reliability and the ability to perform under extreme conditions. Expromet’s experience with high-performance alloys and complex geometries makes it a trusted and valued partner for robotics manufacturers and industrial automation companies.

Example components: robotic arms, actuators, safety locks, automated warehousing systems.

Other performance-critical industries

In addition to the major sectors above, Expromet serves a wide range of performance-critical industries that require high-quality, reliable components. From casting for the semiconductor industry to components for aircraft interiors, the ability to customise and innovate is key.

Our single-source approach

For manufacturers, dealing with multiple suppliers for different processes can introduce unnecessary complexity, risk and delay. Expromet Technologies Group offers a streamlined solution by providing single-source manufacturing. Combining casting, machining, assembly and finishing within a single manufacturing partnership, we help customers simplify their supply chains and improve the efficiency of their operations.

How Expromet’s single-source manufacturing benefits you

Choosing Expromet for single-source manufacturing offers numerous advantages, including:

Simplified procurement – One point of contact and fewer suppliers to manage means less administrative overhead and a more straightforward purchasing process.
Faster delivery – By managing the entire manufacturing process in-house, Expromet can reduce the lead times typically required when coordinating between multiple vendors.
Consistent quality – With full oversight of each manufacturing step, we ensure all components are made to the same high standards of quality and precision.
Cost-effectiveness – By consolidating processes, we help to streamline costs that would otherwise arise from dealing with multiple suppliers, making your projects more budget-friendly.
Improved supply chain flexibility – Expromet’s UK manufacturing and global partnerships allow us to respond quickly to shifting market demands, changes in production schedules and manage geopolitical risk.

Manufacturing flexibility through integration

Our single-source approach allows us to provide components as part of a comprehensive and integrated manufacturing solution. From rapid prototyping to full-scale production runs, we can support the specific needs of your projects, regardless of size or complexity. For example:

Casting and machining – With both casting and precision machining in-house, we streamline the production process, reducing the risk of delays or quality issues that can occur when parts are passed between different suppliers.
Full-scale production – Whether your project is in the prototype phase or you need a large volume of parts for mass production, we can meet your demands.
Welding and final assembly – Beyond casting and machining, we provide additional services like welding, custom fabrication and final assembly, ensuring the complete product is ready for integration into your systems.

Casting expertise from Expromet

Casting is one of the core capabilities at Expromet Technologies Group, playing a critical role in the production of high-performance components for demanding industries such as aerospace, energy, automotive and defence.

Expromet’s casting processes

Expromet provides a full spectrum of casting processes, tailored to suit specific customer requirements, from low-volume, high-precision parts to high-volume production runs. In-house processes are offered through UK foundries Haworth Castings and Investacast:

Investment casting: also known as lost wax casting, investment casting is ideal for manufacturing complex geometries and fine details. This process is particularly suited to industries like aerospace and energy, where precision and corrosion resistance is crucial.
Sand casting: sand casting is a versatile, cost-effective process used to produce medium to large components in various materials, including iron, steel, and aluminium. It is often used for automotive and defence parts, such as engine blocks and fan impellers.
Gravity die casting: this process is used for the production of high-quality castings in non-ferrous metals such as aluminium and magnesium. Gravity die casting is typically employed in aerospace and automotive industries for parts that require strength, light weight, and excellent surface finish.
Pressure die casting: used for producing high-volume, precise components with excellent surface finishes. Pressure die casting is used for automotive, electronics and consumer product components, where dimensional accuracy and high-speed production are required.

This is supported by extended capabilities through a global foundry network of trusted partners offering wide range of metal casting and forging, including water glass casting.

Materials for casting

Choosing the right material for each component is essential for achieving the desired strength, durability, and corrosion resistance. Expromet’s casting expertise covers a wide range of materials to meet the specific needs of each sector.

Aluminium alloys: widely used for lightweight, durable parts, particularly in aerospace, automotive, and energy applications. Find out how to Choose Aluminium Alloys for Sand Casting.

Stainless steel: ideal for high-strength, corrosion-resistant applications, commonly used in medical devices, energy sectors, and marine components.

Nickel-base alloys: known for their ability to withstand high temperatures and harsh environments, making them ideal for aerospace and gas turbine components. Check our blog on Why Use Nickel-base Superalloys.

Copper alloys: frequently used for high-conductivity components, automotive electronics, and heat exchangers.

Duplex/super duplex stainless steels: perfect for marine and offshore applications where resistance to corrosion and fatigue is essential.

Expert metallurgists at each of Expromet’s group companies can advise on the materials best suited to each project. We have lots of online detail including a guide to Which Materials are Best for Investment Casting.

Rapid prototyping and tooling support

Expromet’s casting services extend beyond just production. The group offers rapid prototyping and tooling support, ensuring that customers can move quickly from design to production. By providing prototype parts for testing and validation, Expromet helps reduce development time, ensuring that new products meet specifications and go to market faster.

Why choose Expromet for casting?

Expromet’s casting capabilities provide a comprehensive solution for a wide range of industries, delivering high-quality components with the precision and reliability required in performance-critical applications. Here’s why customers choose Expromet for their casting needs:

Industry-leading expertise: Expromet’s businesses are leaders in their fields, with decades of experience in casting for demanding industries.
Process flexibility: with a wide range of casting processes available, Expromet can select the best method for each component, based on the material, complexity, and volume requirements.
Global supply network: Expromet leverages its UK manufacturing hubs and global partners to provide flexibility, reduce costs, and shorten lead times.
Commitment to quality: every part is produced in compliance with industry standards, and full traceability is maintained throughout the manufacturing process. Expromet’s certifications, including ISO 9001, guarantee that customers receive consistent, high-quality components.

Examples of casting applications

Expromet’s casting capabilities have been successfully applied in a variety of high-performance sectors:

Aerospace: investment cast components for turbine blades and structural brackets.
Defence: sand cast components for transmission, steering, cooling and munition systems.
Energy: sand cast turbine housings and pressure die cast valve components.
Automotive: gravity die cast engine blocks and high-performance chassis parts.
Marine: corrosion-resistant components for offshore oil rigs and subsea valves.

Expromet precision machining capabilities

At Expromet Technologies Group, precision is at the core of everything we do. With decades of experience across aerospace, defence, medical and energy sectors, we offer high-precision CNC machining to meet the most demanding specifications. Whether it’s small, intricate parts or large, complex components, Expromet delivers the quality and accuracy required for performance-critical applications.

Our CNC machining processes

Expromet employs state-of-the-art CNC (Computer Numerical Control) technology to provide precision machining for performance critical components across a wide range of materials. Our services are ideal for industries that demand tight tolerances, complex geometries and consistent results. Expromet offers extensive UK machining facilities through Metaltech Precision in Somerset:

Fixed head CNC turning.
Multi-axis CNC milling and turning: Expromet’s advanced multi-axis machining provides the ability to machine complex components with extreme precision. This capability is essential for industries like aerospace, where parts often require multi-dimensional cutting to meet performance specifications.
CNC multi-task machining for highly complex medium to large parts
Sliding-head CNC machining: used for high-volume production, sliding-head machining is perfect for small, intricate parts, commonly used in the medical device and electronics industries. This process offers micron-level accuracy and is capable of producing components with very tight tolerances.
Large-format machining: for bigger components, including Travelling Column Large 5 Axis Prismatic Milling, CNC vertical turning and automated gantry multi-tasking CNC machining
Precision machining for small and micro components
5-axis CNC machining: Expromet’s 5-axis machining capability allows for the creation of highly complex geometries. Ideal for defence and aerospace components, this technology ensures precision at every angle, allowing for the manufacture of parts with intricate details and complex shapes.

Further machining capabilities are available through Expromet’s trusteed overseas partners.

Materials for precision machining

Our precision machining services are available for a variety of materials, each selected for its ability to meet the unique demands of the application. Expromet works with both ferrous and non-ferrous metals to ensure superior strength, durability and corrosion resistance.

Aluminium alloys: lightweight yet strong, aluminium is commonly used in aerospace, automotive, and medical devices. Expromet machines aluminium parts that require high precision and are resistant to fatigue.

Duplex stainless steel: known for its strength and corrosion resistance, stainless steel is often chosen for medical, automotive, and energy applications.

Titanium: with its ability to withstand extreme conditions, titanium is used in aerospace and medical device manufacturing for components that need both strength and light weight.

Copper alloys: ideal for components requiring high conductivity, such as electronics and heat exchangers, copper alloys are precision-machined to meet the most demanding standards.

Nickel-base alloys: for applications involving high temperatures and extreme pressure (such as in aerospace or gas turbines), nickel alloys are ideal due to their excellent performance in harsh environments.

Remko soft iron: used for magnetic shielding and electrical systems. Machining Remko soft iron requires specialist expertise to avoid distortion and maintain dimensional accuracy.

The correct choice of material often dictates tooling costs, machining speeds, coolant usage, and even the achievable surface finish. An experienced partner can help you strike the right balance between performance and cost-efficiency.

Precision machining at scale

Expromet’s machining capabilities support ranging-volume production, depending on the needs of the customer. Whether you need a single prototype or high-volume parts, we can scale our production to suit your needs while maintaining tight tolerances and high-quality standards.

Prototype development: using rapid prototyping and advanced machining technology, Expromet helps customers quickly test and refine their designs before moving to full production.

Mass production: Expromet is equipped to handle high-volume runs, ensuring consistent quality across thousands or even millions of parts. We use automated systems to achieve cost-efficiency without compromising on precision.

Why choose Expromet for precision machining?

Expromet’s precision machining offers superior quality, reliability and efficiency for the most demanding industries. Here’s why customers trust Expromet for their machining needs:

Advanced technology: we use the latest CNC machinery and 5-axis technology to produce complex, high-precision components.
Experienced engineers: our team of engineers has extensive experience in machining difficult-to-machine materials and achieving tight tolerances.
Industry certifications: Expromet’s commitment to quality is demonstrated by AS9100, ISO 9001, and ISO 14001 certifications, ensuring components meet industry standards for performance and safety.

Examples of precision machining applications

Expromet’s precision machining is applied across a wide variety of industries, providing the reliability and precision required for high-performance components:

Aerospace: 5-axis machining for turbochargers, actuators, and landing gear components.
Defence: large-scale milling capabilities for military applications
Rail: machined components for rolling stock and signalling applications
Medical: sliding-head machining for surgical instruments, catheters, and prosthetics.
Energy: titanium machining for gas turbines, valves, and high-pressure systems.

Value-added services

Expromet Technologies Group is more than just a manufacturer of precision-engineered components. In addition to our casting and machining expertise, we offer a wide range of value-added services that ensure every component is manufactured to the highest standards and ready for integration into complex systems. From welding and fabrication to quality inspection and final assembly, Expromet provides a complete manufacturing solution that meets the specific needs of our customers.

Welding and fabrication services

Expromet offers comprehensive welding and fabrication capabilities to produce customised parts that meet the unique specifications of our customers. Our skilled welding team works with a wide variety of materials, including stainless steel, aluminium, carbon steel, and nickel alloys, ensuring the right material is selected for each application.

Key capabilities:

TIG and MIG welding for high-quality, precise joints
EN15085 welding for rail and rolling stock components
ISO 3834-2 welding for Defence and Aerospace
Custom fabrication for complex components
Assembly and integration of fabricated parts into larger systems

These services allow us to provide complete solutions that go beyond casting and machining, ensuring all parts are ready for final integration into complex systems.

Advanced inspection and quality assurance

Expromet is committed to delivering components that meet the highest standards of quality and safety. Our inspection and quality assurance services ensure that every part undergoes rigorous testing before being shipped to customers.

Inspection services:

Coordinate Measuring Machine (CMM) inspection for dimensional accuracy
Non-destructive testing (NDT), including ultrasonic testing, X-ray, and magnetic particle inspection, to detect defects without damaging parts
Pressure testing to ensure parts can withstand high-pressure environments, especially in the energy and aerospace sectors.
Compliance: all components are inspected in line with industry standards such as ISO 9001 and AS9100, ensuring full traceability and compliance with customer requirements.

These inspection services allow Expromet to guarantee that all components are fit for purpose and reliable, whether they are used in aerospace, medical or automotive applications.

Supply chain management and logistics support

Expromet’s supply chain management capabilities extend beyond manufacturing. We offer logistics support including stockholding and call-off agreements to give our customers the flexibility they need to manage production schedules and reduce inventory costs.

Stockholding: Expromet can hold finished components or raw materials in our warehouse, ready to be called off when needed, reducing lead times and inventory holding costs for partners.
Call-off agreements: we offer just-in-time (JIT) delivery to ensure that parts are delivered precisely when required, streamlining production processes and avoiding delays.
Global logistics: Expromet’s global network of suppliers and facilities ensures we can manage logistics and transportation effectively, offering flexible shipping options and reducing international delivery times.

Our comprehensive supply chain management services help customers keep production on track and reduce the risks associated with managing multiple suppliers across different regions.

Assembly and integration

For customers who require turnkey solutions, Expromet provides sub-assembly and integration services. Once casting, machining and fabrication processes are completed, Expromet assembles the components into functional sub-assemblies or product kits, ready for installation or use.

Key capabilities:

Sub-assembly of component parts
Packaging and shipping for global delivery.

Providing these services ensures that customers receive fully finished parts, saving time and reducing the need to work with multiple suppliers for each stage of production.

Why choose Expromet for value-added services?

Expromet’s value-added services set us apart from other manufacturers by offering end-to-end solutions that meet the unique needs of each customer. Here’s why our customers trust Expromet for their complete manufacturing needs:

Comprehensive capabilities: from casting and machining to welding, inspection, and final assembly, we provide a full spectrum of services under one roof.
Customisation: Expromet offers tailored solutions for complex projects, ensuring every part is designed and manufactured to meet exact specifications.
Quality assurance: all components undergo rigorous quality testing, ensuring consistency and reliability across all stages of production.
Logistical flexibility: our supply chain management services, including stockholding and call-off agreements, provide customers with the flexibility to manage production schedules more effectively.

Expromet’s value-added services ensure that each component meets the highest standards of quality, precision, and reliability, whether it’s a prototype, a high-volume production part, or a complex system integration.

Expromet’s global footprint and supply-chain resilience

Global supply chains are crucial for businesses seeking to stay competitive. Expromet Technologies Group’s strategic global presence provides its customers with the flexibility and resilience needed to navigate complex manufacturing challenges. By combining UK-based manufacturing excellence with trusted international partnerships, Expromet ensures consistent quality and on-time delivery across its operations.

UK manufacturing facilities

Expromet’s three businesses Haworth Castings, Investacast, and Metaltech Precision are based in the UK, each offering advanced manufacturing capabilities tailored to different sectors and customer needs.,

Haworth Castings specialises in precision investment casting and sand casting, offering both low-volume, high-precision parts and high-volume production for the defence and EV sector as well as performance automotive, marine and medical applications.
Investacast focuses on precision-engineered investment castings, catering to demanding industries such as industrial automation, aircraft interiors, Oil & Gas, Pump & Valve and defence.
Metaltech Precision provides high-precision CNC machining for industries requiring micron-level tolerances, such Oil & Gas, renewables, aerospace, rail, defence and marine.

With these specialised capabilities, Expromet’s UK manufacturing hubs form the core of its operations, offering customers high-quality, reliable parts produced in compliance with key industry standards.

Approved global supply chain partners

In addition to its UK-based facilities, Expromet works with a network of trusted global supply partners. These carefully selected partners help Expromet source materials and components for casting, machining and fabrication processes, extending the group’s capabilities and improving supply chain resilience.

With a diversified supply chain, Expromet is able to adapt quickly to changes in market demand and disruptions, providing customers with more resilient manufacturing options.

Supply chain flexibility and just-in-time delivery

One of Expromet’s key offerings is supply chain flexibility. Through comprehensive logistics support, stockholding and call-off agreements, Expromet helps customers meet production schedules while reducing inventory costs.

Stockholding and call-off agreements: Expromet can hold finished components in its warehouse, making them available for just-in-time delivery (JIT) as needed by customers. This reduces inventory holding costs and ensures on-time availability.

Global logistics capabilities: Expromet’s global partners and facilities allow the group to manage international shipping, ensuring that customers receive their products on time, wherever they are located.

Such flexibility helps customers maintain efficient production processes, ensuring that parts are available when needed without tying up significant resources in inventory.

What are the customer advantages of Expromet’s global capabilities?

Expromet’s global presence and supply-chain management capabilities offer several distinct advantages for customers across industries:

Flexibility – With operations in the UK and a global network of partners, Expromet can meet diverse customer needs, from high-volume production runs to low-volume, high-precision parts.
Risk reduction – Expromet’s global supply chain helps diversify risk, reducing dependence on a single region and providing options in case of disruptions.
Competitive pricing – By leveraging both local and international manufacturing options, Expromet helps customers take advantage of cost-effective solutions without compromising on quality.
Timely delivery – Expromet’s supply chain resilience ensures that components are delivered on time, whether sourced from the UK or global partners.

Expromet’s strategic global operations offer customers a flexible, reliable, and efficient manufacturing solution, allowing them to stay ahead in an ever-changing marketplace.

Quality and compliance

Quality is at the core of Expromet Technologies Group. In industries where precision and reliability are paramount, such as aerospace, defence and medical devices, the standards for manufacturing are stringent. Expromet’s commitment to quality ensures that every component meets the most demanding industry certifications and regulations.

Expromet’s reputation for delivering high-quality components is built on its adherence to the highest standards of compliance in manufacturing. With certifications like AS9100 for aerospace, ISO 9001 for quality management, and ISO 14001 for environmental management, Expromet’s processes are regularly audited to ensure consistency, safety and environmental responsibility across all operations.

Industry certifications and standards

Expromet’s commitment to excellence is demonstrated through its extensive range of certifications that ensure the highest quality standards are maintained throughout the metal manufacturing process.

AS9100 for aviation, space and defence: this certification demonstrates that Expromet meets the rigorous standards required for mission-critical components.
EN15085 welding for rail and rolling stock components, key for transportation sectors.
ISO 9001: The ISO 9001 certification ensures that Expromet’s quality management systems meet international standards for consistency and efficiency in manufacturing.
ISO 14001: This certification demonstrates Expromet’s commitment to environmental responsibility, ensuring that its processes are sustainable and aligned with global environmental standards.
ISO 45001: As part of our commitment to safety, ISO 45001 ensures that Expromet provides a safe working environment for all employees and contractors.
ISO 3834-2 welding certification for Defence and Aerospace: ensuring that all welded components meet the strict standards required for safety-critical applications.
Full JOSCAR accreditation: all Expromet companies are accredited under JOSCAR, the aerospace and defence supplier registration system, demonstrating trustworthiness and capability for aerospace and defence contractors.
Cyber Essentials certification for digital resilience.

By maintaining these certifications, Expromet demonstrates its ability to meet or exceed the performance standards of the world’s most demanding industries.

Quality assurance processes

Expromet’s quality assurance processes are designed to ensure that each component undergoes thorough inspection and testing before it is delivered to the customer. From casting and machining to final assembly, each stage of production is closely monitored to guarantee the highest levels of quality. Testing includes:

Dimensional inspection: using Coordinate Measuring Machines (CMM), Expromet ensures that every part meets the exact specifications required by the customer.
Non-destructive testing (NDT): Expromet employs a variety of NDT methods, including ultrasonic testing, X-ray, and magnetic particle inspection, to detect internal defects without damaging the component.
Pressure testing: components that will be used in high-pressure environments undergo pressure testing to ensure they meet the performance criteria for energy, aerospace, and marine applications.
Material traceability: Expromet ensures full material traceability, allowing customers to trace each component back to its raw material source, ensuring compliance with industry standards.

This rigorous approach to quality assurance guarantees that every part leaving Expromet’s facilities meets the highest industry standards and is fit for its intended application.

Why choose Expromet for quality and compliance?

Industry-leading certifications: Expromet’s businesses are AS9100, ISO 9001, ISO 14001, and JOSCAR certified, ensuring that customers receive components that meet the most demanding industry standards.
Robust quality control: Expromet’s quality assurance processes, including CMM inspection, NDT and pressure testing, ensure that every part meets the required specifications.
Comprehensive traceability: Expromet’s commitment to material traceability ensures complete transparency throughout the manufacturing process, providing peace of mind for customers in regulated industries.

Choosing Expromet Technologies Group means partnering with a company that prioritises quality, compliance, and safety—a trusted supplier for performance-critical components that meet the most stringent industry standards.

How we partner with customers

Expromet Technologies Group is a trusted partner for our customers. From design for manufacture (DFM) to full-scale production, Expromet works alongside OEMs, Tier 1 suppliers and Primes to ensure every project meets the highest standards of quality, performance and cost-efficiency.

Design for Manufacture (DfM) support

Early collaboration is crucial to ensuring that products are designed with manufacturing in mind. Expromet’s engineering team provides expert Design for Manufacture support to help customers optimise designs for cost-effective manufacturing, faster production and minimised risk. By working closely with customers during the design phase, Expromet ensures that every part can be manufactured efficiently while meeting the required tolerances and performance specifications.

Key benefits of DfM:

Early identification of design issues that could affect manufacturability or cost.
Reduction of prototype errors by improving design accuracy early on.
Optimisation of materials and processes to reduce production time and costs.

Expromet’s DfM expertise ensures that designs are not only functional but also manufacturable in the most efficient and cost-effective way, saving time and reducing the chances of costly changes later in the process.

Collaboration from prototype to series production

Once the design is finalised, Expromet’s team works closely with customers throughout the prototype and production phases to ensure smooth development. Our rapid prototyping services allow for quick testing of new designs, so customers can validate the fit, form and function of parts before moving to full-scale production. Expromet ensures that prototypes are manufactured to the same high-quality standards as final production parts.

Prototype to production benefits:

Fast turnaround times for prototypes to enable quicker decision-making.
Iterative testing to ensure designs meet performance criteria before full-scale production.
Seamless transition from prototype to production, ensuring consistency and accuracy in the final product.

Expromet’s expertise in managing the prototype phase gives customers peace of mind. Potential issues will be addressed before production begins, saving time and reducing costs.

Supply chain integration and risk-reduction strategies

Expromet’s integrated approach to manufacturing extends beyond production. We understand that efficient supply chain management is critical for our customers’ success, and we provide the tools and support to streamline procurement, manufacturing and logistics. Through strategic partnerships, stockholding options and logistical support, Expromet helps customers reduce risk and maintain flexible, responsive supply chains.

Why choose Expromet as your partner?

The true value of Expromet lies beyond our manufacturing capabilities in our commitment to partnership. We work hand-in-hand with each customer to provide tailored solutions that meet their unique needs. Whether it’s Design for Manufacture (DfM) support, rapid prototyping, or supply chain management, Expromet ensures that customers receive complete, integrated solutions that help them achieve their goals on time and within budget.

Why choose Expromet Technologies Group?

Expromet Technologies Group provides end-to-end manufacturing solutions for performance-critical industries. With the combined expertise of Haworth Castings, Investacast, and Metaltech Precision, Expromet delivers a single-source manufacturing approach that streamlines production, reduces risk, and ensures high-quality results across a range of sectors, including aerospace, defence, automotive, energy, and medical devices.

Founded on delivering excellent service and added value to customers across a range of demanding sectors Expromet stands out as a trusted manufacturing partner for OEMs, Tier 1s, and Primes for precision-engineered components.

Ready to simplify your manufacturing process and ensure high-quality, reliable components for your next project? Contact Expromet Technologies Group today to discuss how our single-source manufacturing solutions can support your business.

FAQs

Q1. What is single-source manufacturing?

Answer: Single-source manufacturing is when one supplier handles multiple processes such as casting, CNC machining, fabrication and assembly to provide fully integrated, precision-engineered components. This simplifies supply chains, reduces risk, and improves lead times.

Q2. What industries does Expromet serve?

Answer: Expromet serves industries including aerospace, defence, energy, automotive, medical devices, and industrial automation. The group provides components for performance-critical applications requiring high precision, reliability, and compliance.

Q3. What casting processes does Expromet offer?

Answer: Expromet offers in-house UK investment casting, sand casting, gravity die casting and pressure die casting. These processes cover complex geometries, small intricate parts, and high-volume production across multiple sectors. Expromet also partners with a global network of approved suppliers.

Q4. What materials can Expromet work with?

Answer: Expromet works with aluminium alloys, stainless steel, carbon steel, copper alloys, nickel alloys, duplex and super duplex steels, and titanium, selecting the right material for the project, including demands such as strength, corrosion resistance or lightweighting.

Q5. How does Expromet ensure quality and compliance?

Answer: Expromet companies maintain AS9100, ISO 9001, ISO 14001, ISO 45001, ISO 3834, EN15085, ISO 3834-2 and JOSCAR and Cyber security certifications. Components undergo CMM inspection, non-destructive testing (NDT), pressure testing, and full material traceability to meet strict industry standards.

Q6. Can Expromet handle prototype to production runs?

Answer: Yes. Expromet supports rapid prototyping, iterative design testing, and high-volume production, ensuring consistency, tight tolerances, and quality from concept to full-scale manufacturing.

Q7. How does Expromet manage supply chain resilience?

Answer: Expromet combines UK manufacturing and trusted global partners to diversify sourcing, reduce risk, mitigate tariffs, and maintain flexible, reliable supply chains.

Q8. What are Expromet’s value-added services?

Answer: Expromet provides welding, fabrication, coatings, heat treatment, assembly, packaging, stockholding and call-off agreements, delivering ready-to-integrate components while reducing supply chain complexity.

Q9. Why choose Expromet for aerospace or defence components?

Answer: Expromet combines precision casting and CNC machining expertise, AS9100 certification, and strict quality assurance to deliver mission-critical components with consistent reliability and performance.

Q10. How can customers contact Expromet for their projects?

Answer: Customers can contact Expromet through the official website, by phone, or via email to discuss single-source manufacturing solutions, custom engineering projects, and performance-critical components. Expromet offers expert guidance on process selection, materials, and supply chain management.