Standard
API, API 5L, ASTM A106-2006, ASTM A210-1996, ASTM A199, GB/T8162, Gb/t8163, DIN 1629/3, DIN 1629/4, JIS G3463-2006
Grade
16mn, 16mn, Q195-Q345, Q345, A53-A369, A333 Gr6, Mn-V alloy, 15MnV, 09Mn2V, STBA20-STBA26, STBA25, STBA22, STBA24, STPA22-STPA26, STPA23, STPA26, Cr-Mo alloy, 15crmo, 12Cr1MoV, Cr5Mo, Cr2Mo