Implement GB/T 9948, GB/T 6479,ASTM SA213, ASTM SA335 for seamless steel tube & pipe used for pressure pipes such as petroleum and chemical furnaces, refineries, crackers, hydrogen units, heat exchangers etc.
Usage | Steel Grade | Specification |
Pipe used for Petroleum Cracking | 20#,12CrMo,15CrMo,16Mn, 12Cr2Mo,12Cr1MoV, | GB/T9948, |
Pipe used for High Pressure | 20#,Q345B,Q345C,Q345D,Q345E,12CrMo, | GB/T6479 |