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
Revised
10/26/2022
- Features
- Issuing Committee
- Content
- This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
- Content
- 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).
- Pages
- 10
- Citation
- SAE International Material Specification, 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, SAE Standard AMS6257G, Revised October 2022, Issued July 1990, https://doi.org/10.4271/AMS6257G.