标准摘要
This specification covers an aircraft-quality, low-alloy steel in the form of mechanical tubing.Cross Reference: AMS2253,AMS2259,AMS2301,AMS2370,AMS2806,AS1182,ASTMA255,ASTME112,ASTME18,ASTME350,ASTME381,ASTME384
英文名称Steel, Mechanical Tubing 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)