标准摘要
This specification covers an aircraft quality, low alloy steel in the form of heat-treated bars and forgings, and of forging stock.
英文名称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