LSAW PIPE 1.Standards ANSI / API / AWWA / DIN / BS / JIS and etc. 2.Material: Carbon Steel, ... ,ASTM A53GrB, X42-X70,API5L GrB,etc.4) Application:Structural pipe,liquid transportation,conveyance of oil and gas,petroleum transportation etc ... ,ASTM A53GrB, X42-X70,API5L GrB,etc.4) Application:Structural pipe,liquid transportation,conveyance of oil and gas,petroleum transportation etc ...