Product name:GAS PIPE Size:219mm-3500mm,Tickness:6mm-25mm Material:Q235B,Q345B,X42-X70,L245-L415 Standard:API5Lpsl-1psl-2 GAS PIPESIZETHICKNESSMATERIALSTANDARD219mm-3500mm6mm-25mmQ235B,Q345B,16MN,L245-L415,X42-X70SY/T5037-2000,GB/T9711.1-1997,API5L PSL-1,PSL-2