casing pipe 1.Material:20#,35#,45#,16Mn and so on 2. ... 3.WT:5~30mm 4.standar: DIN ASTM API JIS casing pipe spiral pipe Product Namecasing pipe spiral pipeStandardAPI5L,ASTM, ANSI, GB,DIN,JIS,BS ... tubes, heat exchange tubes, seamless pipe furnace tubes, heat exchange tubes, seamless pipeMOQ5 tonQualityFirst GradeDelivery Time15~30 daysYearly capacity 200000 tons casing pipe