Business Details
Precision Engineering Solutions in Sheffield
M & J Engineering has been delivering precision machining solutions across Yorkshire for over three decades. Our expertise lies in producing high-quality components for critical industries including petrochemical, pharmaceutical, and atomic energy sectors. We maintain rigorous quality control through continuous customer collaboration during the machining process, ensuring specifications are met with exceptional accuracy. Our capabilities span one-off prototypes to large batch production, supported by partnerships with local material suppliers and specialist finishing companies.With extensive experience in manufacturing complex components like heat exchanger tube plates and valve blocks, we combine technical proficiency with practical problem-solving to meet diverse engineering challenges. Our investment in advanced CNC machinery and traditional machining methods ensures flexibility to handle projects of varying complexity. We prioritise clear communication and reliability, establishing long-term relationships with clients who value precision-engineered components and consistent delivery performance.
Services
Sub-Contract Machining
Heat Exchanger Components
Valve & Manifold Blocks
Flanges & Couplings
Vessel Nozzles
Agitators
Filter Components
CNC Machining
Prototype Production
Batch Manufacturing
Highlights and features
- We offer 30+ years' experience in precision machining for critical industries
- Our team maintains continuous customer collaboration throughout production
- We handle both one-off prototypes and large batch manufacturing
- Our partnerships ensure comprehensive material and finishing capabilities
- We serve major industrial sectors including petrochemical and pharmaceutical
Services
Sub-Contract Machining
We provide comprehensive sub-contract machining for complex industrial components. Our capabilities include CNC machining centres and conventional lathes handling materials up to 1600mm diameter. With 30 years' experience serving critical industries, we deliver precision-engineered parts with tight tolerances and guaranteed quality compliance.
Heat Exchanger Components
Specialist manufacturing of heat exchanger tube plates and baffles in stainless steel and exotic alloys. Our precision machining ensures perfect component alignment and leak-proof performance for petrochemical and energy sector applications. We maintain strict dimensional accuracy to ASME standards through advanced CNC processing.
Valve & Manifold Blocks
Precision-machined valve bodies and manifold blocks in challenging materials like Hastelloy and Incoloy. Our machining capabilities handle complex geometries with multi-axis CNC processing, ensuring perfect sealing surfaces and pressure integrity for critical fluid control applications in harsh environments.
CNC Machining
Advanced CNC machining services using HAAS and Huron equipment for complex 3D components. Our CNC capabilities include milling up to 1600mm X-axis travel and turning operations up to 600mm diameter. We combine modern programming with traditional engineering expertise to deliver precision components across multiple industries.
Batch Production
We offer flexible batch production from single prototypes to large volume runs. Our production planning ensures consistent quality across batches through documented processes and statistical process control. This capability serves industries requiring both unique components and repeat manufacturing for maintenance operations.
Questions
What industries do you serve?
We primarily serve petrochemical, pharmaceutical, offshore energy, and atomic energy sectors requiring precision-engineered components.
What materials can you machine?
We work with stainless steel, Hastelloy, Incoloy, titanium, and other exotic alloys for demanding industrial applications.
What size components can you handle?
Our equipment handles components up to 1600mm diameter with vertical boring capabilities up to 1800mm diameter.
Do you offer one-off prototypes?
Yes, we specialise in both one-off prototypes and batch production runs to meet diverse customer requirements.
How do you ensure quality?
We maintain quality through continuous customer communication, documented processes, and precision measurement equipment.
Can you handle complex geometries?
Our CNC machining centres and experienced programmers handle complex 3D geometries with tight tolerances.
