casing pipe 1.Material:20#,35#,45#,16Mn and so on ... 3.WT:5~30mm 4.standar: DIN ASTM API JIS casing pipe spiral pipe Product Namecasing pipe spiral pipeStandardAPI5L,ASTM, ANSI ... , seamless pipeMOQ5 tonQualityFirst GradeDelivery Time15~30 daysYearly capacity 200000 tons casing pipe