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VIM Alloys

For Aerospace and other critical applications

We take pride in satisfying individual and OEM global requirements from our specialist alloy manufacturing facilities which include Vacuum Induction Melting (VIM), alongside Vacuum Arc Remelting (VAR) and Electro-Slag Remelting (ESR).

These facilities are coupled to our unique integrated mill, machined part and service centre offering, which allows us to deliver around the world as ingot, bar, cut piece or machined part.

All our specialist alloy products are manufactured in the UK and are used in the production of engine components, landing gear, controls, aero structure and helicopter powertrain components.

Click here to download the VIM Alloys brochure.

Product range

Our state of the art machine tools give a finished part capability that covers:

  • Complex component geometries up to 658mm (26”) diameter and 1500mm (59”) long.
  • Horizontal and vertical milling up to 3000mm (118”) long, 800mm (31”) wide and 720mm (28”) high.
  • Internal and external cylindrical grinding up to 1600mm (63”) long.
Grade AMS Customer Approvals Current form of supply
E4340 6414 Bell Helicopter Bar
E4343 Bell Helicopter Bar
E9310 6265 Bell Helicopter, Leonardo Bar
13-8Mo PH 5629 Bar
X53 6308 Avio Aero (GE), Bell Helicopter, Leonardo, TA Bar
Maraging 250 (S162) 6512 Bar
Nitralloy 6475 Bell Helicopter Bar
E32CDV13 6481 Bar

Remelted ingots

Remelt Nominal Diameter/Section Length Weight Nominal Diameter/Section Length Weight
VAR Round 508mm 2000mm 3.2t 20″ 79″ 3.5ton
VAR Round 660mm 1750mm 4.3t 26″ 69″ 4.7ton
VAR Round 760mm 1800mm 5.9t 30″ 71″ 6.5ton
ESR Round 635mm 1950mm 4.3t 25″ 77″ 4.7ton
ESR Round 700mm 1850mm 4.3t 28″ 73″ 4.7ton
ESR Round 555mm 2100mm 4.3t 22″ 83″ 4.7ton

All dimensions are nominal

Bar products

Min (mm) Max (mm) Min (inch) Max (inch)
Rounds Rolled 25 381 1 15
Bright Bar Rolled 10 230 2/5 9
Forged Bar Dimensions available on request

Selected Aerospace customer approvals

Airbus, Moog, APPH, Pratt & Whitney, Avio Aero (GE), Ratier Figeac, Bell Helicopter, Rolls-Royce, Boeing Commercial Airplane, Safran Aircraft Engines, Bombardier, Safran Helicopter Engines, Cessna Aircraft, Safran Landing Systems, FAG Aerospace, Safran Nacelles, Leonardo, Safran Transmission Systems, Liebherr Aerospace, Sikorsky, Lockheed Martin, UTC Aerospace Systems, Minebea


BS EN 9001
BS EN 9100/ AS9100
BS EN 9120
BS EN ISO 17025 (testing)
BS EN ISO 14001
Nadcap: Heat treatment, Non-Destructive Testing, Material testing

Technical support

Our highly qualified technical team will provide advice on the most appropriate grade and product to your specific requirement. Customer Technical Support provide specialist advice and help with day-to-day problem solving.

Works based metallurgists and the full resources of our Steel Research and Development Laboratories are available to assist with longer-term developments.

For further information, enquiries or any technical guidance on our range of VIM products please Contact Us

Can we help? Castings production tradition dates back to 1951. Long term experience in castings production is currently used for production of demanding grey iron and nodular iron castings for metallurgical and engineering companies in the Czech Republic and abroad. The operation unit includes also a pattern shop and scales treatment center. The unit obtained product certificates from Bureau Veritas for the entire product range and Lloyd's Register for grey iron and nodular iron castings with a piece weight up to 15 000 kg.

Find out more about this product

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