... Material:ASTM A106, A53, API 5L, Q345, A333, ST37,X42,X52,X60,X65,X70,X80 Payment:L/C or T Seamless steel pipeCarbon steel tubesize1 ... -34inchWall ThicknessSCH5-SCH160,XXSStandardANSI,ASME,API,DIN,JIS,GBMaterialASTM A106, A53, API 5L, Q345, A333, ST37, ST52 ...