Steel, Nitriding, Bars, Forgings, Mechanical Tubing, and Stock for Forging, 1.6Cr - 0.35Mo - 1.13Al (0.38 - 0.43C) (135 Mod), Premium Aircraft Quality, Consumable Electrode Vacuum Remelted

Standard published on 1.12.2023

Steel, Bars and Forgings and Forging Stock, Nitriding, 1.6Cr - 0.35Mo - 1.1Al (0.38 - 0.43C) (135 Mod), Aircraft Quality, Hardened and Tempered, 112 ksi (772 MPa) Tensile Strength

Standard published on 1.1.2024

Forgings, Hardenable Steels and Corrosion-Resistant Steels Heat-Treated, Finished-Part Properties Short-Transverse Tensile Strength and Fracture Toughness

Standard published on 1.2.2018

Steel, Nitriding, Bars, Forgings, Mechanical Tubing and Forging Stock Aircraft Quality 1.1Cr - 3.5Ni - 0.25Mo - 1.2Al (0.21 - 0.26C)

Standard published on 1.10.2024

Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock, 0.50Cr - 0.12Mo (0.89 - 1.01C)

Standard published on 1.7.2026

Steel, Bars, Forgings, Mechanical Tubing and Forging Stock, 0.80Cr (0.90 - 1.03C), For Bearing Applications

Standard published on 1.9.2025

Steel, Bars, Forgings, and Tubing 1.45Cr (0.93-1.05C) (SAE 52100) Special Aircraft-Quality Cleanliness

Standard published on 1.7.2026

Steel Bars, Forgings, Mechanical Tubing, and Forging Stock Nitriding 3Cr - 1Mo - 0.2V - (0.29 - 0.36C) Premium Aircraft-Quality for Bearing Applications Double Vacuum Melted

Standard published on 1.1.2022

Steel Bars, Forgings, Mechanical Tubing and Forging Stock, 1.5Si - 1.25Cr - 3.8Ni - 0.50Mo - 0.30V (0.40C), Vacuum Remelted, Annealed

Standard published on 1.7.2024

Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340) Normalized and Tempered

Standard published on 1.11.2022