AMS6421J Steel, Bars, Forgings, Mechanical Tubing and Forging Stock, 0.80Cr - 0.85Ni - 0.20Mo - 0.003B (0.35 - 0.40C) (Modified 98B37), Aircraft Quality
Revised
09/12/2025
- Content
- This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
- Pages
- 9
- Citation
- SAE International Material Specification, Steel, Bars, Forgings, Mechanical Tubing and Forging Stock, 0.80Cr - 0.85Ni - 0.20Mo - 0.003B (0.35 - 0.40C) (Modified 98B37), Aircraft Quality, SAE Standard AMS6421J, Revised September 2025, Reaffirmed April 1994, Issued November 1951, https://doi.org/10.4271/AMS6421J.