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Aircraft Stainless Steel BS S526 (AMS 5689)


Technical Data Sheet

 

Chemical Composition Limits
Weight% C Si Mn Cr Mo P + S max Ni
S526 0.08 0.20-1.00 0.50-2.00 17-19 1.0 P 0.035
S 0.025
9.0-11.0

BS S526 is the British aerospace standard for stainless steel 321, and is often supplied dual-certified to the U.S. aerospace specification AMS 5510. It is supplied in the annealed condition to allow good cold workability and is suitable for low strength components requiring good corrosion resistance and weldability.

Typical Mechanical Properties

Grade Treatment Tensile Strength Rm , N/mm² Yield Strength, N/mm² Elongation % Ruling Section
S526 Softened 540 210 30 <1.5mm
S526 Softened 540 210 35 1.5-3.0mm
S526 Softened 540 210 40 > 3.0 mm

Availability
Alloy S526 is available in Sheet and Strip. For all stock availability contact Sales.

Other Chemically similar Specifications

321S31 - AMS 5510
AMS 5689 Steel, Corrosion and Heat Resistant, Wire 18 Cr 10.5Ni 0.40 Ti, Solution Heat
UNS S32100 , Alloy 30321

Services
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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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