AMS6415V Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340)
Revised
11/22/2022
- 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
- AMS6415V 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 and reporting (3.1, 3.1.2), updates heat treatment specification (3.2.2), modifies Jominy requirements (3.3.3), updates macrostructure (Table 2, 3.3.1, 8.8), updates decarburization test methods (3.3.4.5), 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), SAE Standard AMS6415V, Revised November 2022, Issued January 1940, https://doi.org/10.4271/AMS6415V.