Casing and oil pipe

Casing &oil pipe:
OD:Casing: 4 1/2"- 20" (114.3mm-508mm)
Tubing: OD 2 3/8" - 4 1/2" (60.3mm-114.30mm)
WT: 0. 205"- 0.635"
Standard:SY/T 6194 /API 5CTBS EN ISO 11960/NF M87-207/JIS G3439/IS 4270
Applicatopon: conveying gas, water, and oil in both and natural gas industries etc.
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Casing and oil pipe