Products:API5CT Gr.H40 casing tubes
Standard: API5CT-American Petroleum Institute
Specification for seamless casing and tubing
Grade:H40,J55,K55,N80,L80,C90,T95,R95,P110,Q125.etc.
The tolerance.
OD＜114.3mm tolerance ±0.79
OD≥114.3mm tolerance -0.5% +1%
Thikness tolerance:-12.5%
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