oil casing pipe We are the manufacture excellent quality with best price. oil casing pipeWe are the manufacture excellent quality with best price.Product name: API 5L Line pipeStandard & Material: API 5L A,B,X40,X42,X46,X52 etcSize: 21.3mm-508mm(1/2-20)Technics:cold drawing & hot rolingPacking:in bundle and according to customers requirementsTolerance:OD:±1%,WT:+12.5%,10%,Length: ±20mmIf you have ...