SAE AMS6257G
Steel Bars, Forgings, Forging Stock, and Mechanical Tubing 1.6Si - 0.82Cr - 1.8Ni - 0.40Mo - 0.08V (0.40 - 0.44C) Consumable Electrode Vacuum Remelted Normalized and Tempered
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Standard by SAE International, 2022-10-26
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About This Item
This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
AMS6257G is the result of a Five-Year Review and update of the specification. The revision updates the title to match the scope, prohibits unauthorized exceptions (3.7, 4.4.4, 5.2.1.1, 8.7), updates composition testing (3.1, 3.1.1), updates heat treatment requirements (3.3.1, 3.3.2), updates macrostructure examination (3.4.1, 8.9), standardizes wording on decarburization testing (3.4.4.5), adds strain rate control to tensile tests (3.4.5.1.3), updates acceptance testing (4.2.1), adds notes on stock removal (8.6), and allows prior revisions (8.8).
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Standard Details
- Publication Date: 2022-10-26
- Standard Status: latest
- Publisher: SAE International
- Document Type: Aerospace Material Specification
- Subject: Coatings, colorants, and finishes, Steel, Hoses, Heat treatment, Wrought alloys, Corrosion resistant alloys, Tensile strength, Metal finishing, Metals
- Official SAE: Doi link
Document History
- This Version: AMS6257G (2022-10-26)
- Previous Version: AMS6257F (2016-08-10)
- Previous Version: AMS6257E (2011-05-25)
- Previous Version: AMS6257D (2007-06-13)
- Previous Version: AMS6257C (2002-07-30)
- Previous Version: AMS6257B (2001-09-14)
- Previous Version: AMS6257A (2001-07-01)
- Previous Version: AMS6257 (1994-04-01)
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