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Tubing in API 5CT used for production of oil and gas Manufacturing method: ERW, Hot-rolled Seamless Upset method: *-step forging mold, full body normalization after upset Size (OD): 1.*6", 1.9", 2 3/8", 2 7/8", 3 1/2", 4", 4 1/2" Grade: J*5, N*0, L*0, L***9Cr, L****3Cr, C*0, P**0, P*****3Cr API Connections: Non upset (NUE), External upset (EUE), Round thread (8RD and *0RD) Premium Connections: Hydril, HSM, TP-CQ Length range Range 1, 2, 3 Technical modifications: 1. Resilient seal (SR *3) with an extra teflon ring seal. 2. BTC connection; 3. USS connection; 4. Special clearance; 5. For extra clearance applications Special bevel; 6. *0° bevel 7. Internally FBE coated; 8. Tungsten-nickel alloy electicplated anticrossion coating; 9. Titanium-zirconium alloy powder coating; *0. Vacuum nitriding coating; *1. Vacuum insulated; *2. HDPE liner *3. Fibreglass Tubing Please feel free to write to us: Landrill#yahoo, com, cn