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API 5CT/5Bsteel oil pipe tubing,casing 1.OD:1'-20' 2.carbon seamless steel pipe 3...
Size Outer Diameter Casing OD 4 1/2"- 20" (114.3mm-508mm) Tubing OD 2 3/8" - 4 1/2...
ERW: D: 21.7-457.2mm; T: 1.8-14.27mm Spirally submerged arc welded pipe: D: 219-3040...
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