Upsetting Finished ERW Tubing

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Upsetting Finished ERW Tubing Tubing is used for delivering the oil and gas to ground from well bottom., incluing NU,EU and IJ tubing. EU tubing: upsetting pipe ends, threading and coupling. NU tubing: non-upsetting pipe ends; threading and coupling. IJ tubing: inter upsetting at one end, external threading, external upsetting at another end , inter threading, direct connection without threading. Our company designed centering claw to eliminate the original error, radial bounce of clamping disk reduced to 0.02mm from 0.15mm, enhanced the axiality of thread and body. We improved cutting cooing system to eliminate thermal deformation, improved tooling lubrication, enhanced thread dimension precision and surface quality. Our company has set up a new thread surface strengthening treatment line, after several tests, we got big succeed, no thread gluing appeared after 10 screwing up and off tests. Through continuous quality and production control, the tubings manufactured by our company have even WT, good tensile, and smooth thread surface and sealing performance. Labels Outside diameter Wall thickness Type of end finish Ⅰ Ⅱ mm in mm Grade NU T&C EU T&C J55 K55 L80 N80 Type1.Q FT80S FT80SS C90 FT90S FT90SS T95 FT90S FT90SS P110 FT110S FT110SS 2-3/8 4.00 - 60.32 0.167 4.24 PN PN PN PN PN - 2-3/8 4.60 4.70 60.32 0.190 4.83 PNU PNU PNU PNU PNU PNU 2-3/8 5.80 5.95 60.32 0.254 6.45 - PNU PNU PNU PNU PNU 2-3/8 6.60 - 60.32 0.295 7.49 - P - P P - 2-3/8 7.35 7.45 60.32 0.336 8.53 - PU - PU PU - 2-7/8 6.40 6.50 73.02 0.217 5.51 PNU PNU PNU PNU PNU PNU 2-7/8 7.80 7.90 73.02 0.276 7.01 - PNU PNU PNU PNU PNU 2-7/8 8.60 8.70 73.02 0.308 7.82 - PNU PNU PNU PNU PNU 2-7/8 9.35 9.45 73.02 0.340 8.64 - PU - PU PU - 2-7/8 10.50 - 73.02 0.392 9.96 - P - P P - 2-7/8 11.50 - 73.02 0.440 11.18 - P - P P - 3-1/2 7.70 - 88.90 0.216 5.49 PN PN PN PN PN - 3-1/2 9.20 9.30 88.90 0.254 6.45 PNU PNU PNU PNU PNU PNU 3-1/2 10.20 - 88.90 0.289 7.34 PN PN PN PN PN - 3-1/2 12.70 12.95 88.90 0.375 - - PNU PNU PNU PNU PNU 3-1/2 14.30 - 88.90 0.430 - - P - P P - 3-1/2 15.50 - 88.90 0.476 - - P - P P - 3-1/2 17.00 - 88.90 0.530 - - P - P P - 4 9.50 - 101.60 0.226 5.74 PN PN PN PN PN - 4 10.70 11.00 101.60 0.262 6.65 PU PU PU PU PU - 4 13.20 - 101.60 0.330 8.38 - P - P P - 4 16.10 - 101.60 0.415 10.54 - P - P P - 4 18.90 - 101.60 0.500 12.70 - P - P P - 4 22.20 - 101.60 0.610 15.49 - P - P P - 4-1/2 12.60 12.75 114.30 0.271 6.88 PNU PNU PNU PNU PNU - 4-1/2 15.20 - 114.30 0.337 8.56 - P - P P - 4-1/2 17.00 - 114.30 0.380 9.65 - P - P P - 4-1/2 18.90 - 114.30 0.430 10.92 - P - P P - 4-1/2 21.50 - 114.30 0.500 12.70 - P - P P - 4-1/2 23.70 - 114.30 0.560 14.22 - P - P P - 4-1/2 26.10 - 114.30 0.630 16.00 - P - P P - P—Plain end,N—Non-upset threaded and coupled,U—Extemal upset threaded and coupled

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Wuxi Fastube Energy Development Technology Co.,Ltd

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