Rolled Alloys


RA® Materials (formerly Weir Materials) was established in 1987 to market and sell products manufactured in our World leading ZERON® 100 (UNS S32760) superduplex stainless steel.

In 2008 the company was acquired by Rolled Alloys, a global leader in the supply of specialty alloys for heat and corrosion resistance to a wide range of industries. RA® Materials has links to Rolled Alloys companies Worldwide.

RA® Materials sells bulk pipework packages to end users, engineering contractors and fabricators. We also sell to pump and valve industry customers, other OEM manufacturers, stockists and fastener companies who wish to manufacture their own products in an alloy compatible with the material of construction of the bulk pipework system. Our inventory provides ready availability of quality products.

ZERON® 100 (UNS S32760) is stocked in Manchester, UK and Tulsa, USA in standard ANSI/ASME sizes in both finished and semi-finished forms. Availability of raw material and finished items allows for on-time delivery for orders in accordance with customer documentation, inspection and testing requirements, including NORSOK and EXXON MOBIL. All melting and refining, hot working, forming and heat treatments are fully qualified and in accordance with approved procedures and processes. RA® Materials holds ISO 9001. We saw cut, deep hole bore, OD turn and centerless grind bars, profile plates, using plasma, water jet and/or laser cutting and we machine components for customers. We ship Worldwide. We have finished and semi-finished raw material in project quantities to facilitate fast delivery of large project requirements.

When requested, we fabricate spools and vessels to customer isometrics and fabrication specifications. We use ZERON® 100X welding consumables and all welding is done by approved welders working to qualified procedures.

RA® Materials is a member of BSSA (British Stainless Steel Association), an industrial member of TWI (The Welding Institute) a sustaining member of the Institute of Corrosion and is registered with FPAL.

Country of Origin

Scope of Interest
Super Duplex Materials in Zeron-100 for High Pressure Pipework.