GB/T8162 20#, 35#, 45# Q345, Q345B, Q345C, Q345D,
Q345E, 20Mn2, 30Mn2, 40Mn2, 20CrMo, 30CrMo, 35CrMo,
42CrMo; GB/T8163 20#; GB/T3087 10#, 20#; GB/T5310 20G,
20MnG, 25MnG, 15CrMoG, 12Cr1MoVG; GB/T9948 20#,
16Mn,12CrMo, 15CrMo; GB6479 20#, 16Mn, 12CrMo, 15CrMo;
ASME SA213 T5, T9; API 5L, A, B, X42, X46, X56, X60,
X65; ASTM A106, ASTM A53 Gr B; SA210, SA178, SA192,
SA335, T2/P2, T11/P11, T12/P12, T22/P22, T91/P91; DIN
17175 ST35.8, ST45.8, DIN1629; API 5L Gr.B, X42-X70;
ISO 11960, GOST, API 5CT J55 K55 N80-1 N80-Q L80-1
L80-9Cr P110, etc.