MSRR 6531 is a Rolls Royce specification for A286 Stainless Steel

 

A286 is an iron-nickel-chromium alloy with additions of molybdenum and titanium. A 286 is one of the most popular high temperature alloys. As one of the austenitic alloys it maintains good strength and oxidation resistance at temperatures up to 1300ºF. Due to its high strength and excellent fabrication characteristics.

 

Rolls Royce specification MSRR 6531

 

As a Tier 1 Aerospace company, Boeing holds its subcontractors to the same standards by ensuring they source material per MSRR 6531 from approved sources. This creates accountability and ensures the highest quality standards are achieved in the manufacturing process. SABRe (Supplier Management System Requirements) is the supplier-facing element of the Rolls-Royce Management System and is applicable to all suppliers or partners who supply products and / or services to Rolls-Royce contracts / purchase orders.