Grade 431 Stainless Steel
431 stainless steel is a martensitic stainless steel that is AOD melted. This alloy has excellent corrosion resistance for a 400 series stainless and can be heat treated to high strength levels. This grade is often used in the aerospace industry as fittings and boltings requiring high yield strength. The excellent corrosion resistance also lends itself well to the marine industry.
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- AMS 5628
- AMS-S-18732
- ASTM A276
- Federal QQ-S-763
- Hi Shear #115
- McDonnell Douglas DMS-1565
- Mil-S-18732
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Size ranges vary by specification and specific order requirements; inquire for your specific needs.
- GE S35 & S-Spec-1
- Pratt Whitney LCS
- McDonnell Douglas approval to DMS-1565
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- UNS S43100
- DIN 1.4057
- X17CrNi16-2
- S80
- Aerospace
- Other Industrial Markets
- AOD
- Martensitic
- Stainless Steel
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