AMS6312K Steel Bars, Forgings, and Tubing 1.8Ni - 0.25Mo (0.38 - 0.43C) (4640)
Revised
10/07/2020
- Features
- Issuing Committee
- Content
- This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
- Content
- AMS6312K results from a Five-Year Review and update of this specification that revises analytical methods (3.1), condition (3.2.2), macrostructure (3.3.1.2), hardenability (3.3.3), and decarburization (3.3.4.5) and prohibits unauthorized exceptions (3.6) and revises quality (3.4.2), reporting and marking (4.4.1, 4.4.4, 5.2.1).
- Pages
- 9
- Citation
- SAE International Material Specification, Steel Bars, Forgings, and Tubing 1.8Ni - 0.25Mo (0.38 - 0.43C) (4640), SAE Standard AMS6312K, Revised October 2020, Issued December 1939, https://doi.org/10.4271/AMS6312K.