1)welded pipe 2)SIZE:21.3--1250mm 3)Thickness:1.8--60mm 4)API5L.ASTM-A53,BS1387-85,JIS-G3444,GB/T3091 ... ,X46,X52,X56,L245,L290,L360,12Cr1MoWvTIB,J55,K55,L80,P110,1Cr18N19T1,0Cr18N19,304,321,316,3161LengthAs per client requirementUsagePetrol,gas,water pipe,construction ... special oeders as your requestprovide other steel pipe: cold rolled,hot rolled,hot dipped,ERW pipe,etc.We sincerely hope to establish ...