... seamless steel pipe TypeASTM A53 standard seamless steel pipeBrand NameJinshengStandardASTM,DIN,GB,JIS,API 5L,API5 CTMaterialQ235 ... ,Q345,20#,10#,45#,St33,St37,St35.8,A53-A,A53-B,A106-A ... ,A106-B,A210-A-1,STB33SpecificationO.D.:8 ... gas transportation pipe5.drill pipe6.petroleam chemical pipe and so onTechnologyHot rolled&Cold drawPackagingWrapped in ...