... :21.3--1250mm 3)Thickness:1.8--60mm 4)API5L.ASTM-A53,BS1387-85,JIS-G3444,GB/T3091-2001,etc. CommodityERW steel ... , 1.8-14.27mmMaterialQ195,Q215,Q345,20#,10#,16Mn.etcStandardAPI5L.ASTM-A53,BS1387-85,JIS-G3444,GB/T3091-2001,etc.10#,20 ... -35CrMnSLA,09CrMo,09MnD,09CrMoAL,07Cr2ALMo,09CrCnSb,13CrMo44,320,360,410,A53,SA106B,D40,D58,D60,N80,CrB,X42,X46,X52,X56 ...