Application: tubing is used to extracting petroleum and natrual gas from a well; Casing services as wall of a well.
Size: O.D.:6.0-323.0(mm) W.T.: 1-30(mm) L.:max 12000mm
Grade: J55(37Mn5), N80(36Mn2V)
Chemical Composition: C, Si, Mn, P, S, Cr, Ni, Cu, Mo, V
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