标准摘要
This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.Cross Reference: AMS2251,AMS2253,AMS2259,AMS2301,AMS2370,AMS2372,AMS2806,AMS2808,AS1182,ASTMA255,ASTMA370,ASTME112,ASTME350,ASTME381,ASTME384
英文名称Steel, Bars, Forgings, and Mechanical Tubing 0.50Cr - 0.55Ni - 0.20Mo (0.18 - 0.23C) (SAE 8620)