... wall thickness1.5-40mm Material 10# 20# 45# 16Mn pipe steel1) Application: Petroleum,chemical,power,gas,metallurgy, shipbuilding, ... of 11.8m ProductStandardSteel GradeApplicationLine PipeAPI 5L, ASTM A53/A106, DIN1629, JIS G3454, JIS3466A, B, X42, X46, X52, X56, ... medium & high pressure boiler header, steam pipe, heating pipeStructure PipeASTM A53/A106, GB8162A, B, 20#, 45#, Q345, 20Mn2, 42CrMoUsed ...