标准
ASTM, 中国DIN标准, JIS, bs, 国标
标准
API, API 5L, ASTM A106-2006, ASTM A199, DIN 1629/4, DIN 17175, JIS G3461-2005, BS 1387, ASTM A53-2007, ASTM A210-1996, Gb/t8163, GB/T8162
等级
16mn, 16mn, A53-A369, A53(A,B), A106(B,C), ST35-ST52, ST42, ST35.8, St42-2, STPG42, STPG42, STB35-STB42, STB35