OD:21.3mm-914.4mm WT:2mm-50mm Standard:ASTM A53,A106,ANSI B36.10,API5L,API5ct,JIS Material:Cr5Mo 1)Specification OD:21.3mm-914.4mm WT:2mm-50mm2)Standard:ASTM A53,A106,ANSI B36.10,API5L,API5ct,JIS3)Material:Cr5Mo4)Length:5.8m-12m ASTM A335 alloy seamless steel pipe