AMS6484F Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340) Normalized and Tempered
Revised
11/02/2022
- 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
- AMS6484F 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 (3.6, 4.4.5, 5.2.1.1, 8.7), updates composition testing (3.1, 3.1.2), updates heat treatment specification (3.2.1, 3.2.2), modifies Jominy requirements (3.3.3), updates macrostructure (3.3.1.1, 3.3.1.2, 8.8), updates decarburization test methods (3.4.4.5), acknowledges changes to AMS2301 (4.2.1, 4.4.4), adds note on stock removal (8.5), and allows prior revisions (8.6).
- Pages
- 10
- Citation
- SAE International Material Specification, Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340) Normalized and Tempered, SAE Standard AMS6484F, Revised November 2022, Issued June 1995, https://doi.org/10.4271/AMS6484F.