AMS6425G Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock, 1.4Mn - 1.5Si - 0.30Cr - 1.8Ni - 0.40Mo (0.23 - 0.28C) (HY-TUF), Premium Aircraft-Quality, Consumable Electrode Vacuum Melted
Revised
6/15/2026
- Content
- This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, and mechanical tubing 225 square inches (1452 cm2) and under in cross-sectional area and forging stock of any size.
- Citation
- SAE International Material Specification, Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock, 1.4Mn - 1.5Si - 0.30Cr - 1.8Ni - 0.40Mo (0.23 - 0.28C) (HY-TUF), Premium Aircraft-Quality, Consumable Electrode Vacuum Melted, SAE Standard AMS6425G, Revised June 2026, Reaffirmed July 2006, Issued July 1989, .