Seamless Boiler Tubes

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Size designnation Calculated weight Tool joint designation Calculated weight grade Wall thickness Upset ends,for weld-on tool joints(see note) in 1b/ft Kg/m in mm 2 3/8〞 6.65 NC26 6.26 9.32 E.X.G..S 0.280 7.11 EU 2 7/8〞 10.40 NC31 9.72 14.48 E.X.G..S 0.362 9.19 EU 3 1/2〞 13.30 NC38 12.31 18.34 E.X.G..S 0.368 9.35 EU 3 1/2〞 15.50 NC38,NC40 14.63 21.79 E.X.G..S 0.449 11.40 EU 4〞 14.00 NC40,NC46 12.93 19.26 E.X.G..S 0.330 8.38 IU,EU 4 1/2〞 16.60 NC46,NC50 14.98 22.31 E.X.G..S 0.337 8.56 EU,IEU 4 1/2〞 20.00 NC46,NC50 18.69 27.84 E.X.G..S 0.430 10.92 EU,IEU 5〞 19.50 NC50,NC52 17.93 26.71 E.X.G..S 0.362 9.19 IEU 5〞 25.60 NC50,NC5 24.03 35.79 E.X.G..S 0.500 12.70 IEU 5 1/2〞 21.90 5 1/2FH 19.81 29.51 E.X.G..S 0.361 9.17 IEU 5 1/2〞 24.70 5 1/2FH 22.54 33.57 E.X.G..S 0.415 10.54 IEU 6 5/8〞 25.20 6 5/8FH 22.19 33.0 E.X.G..S 0.330 8.387 IEU 6 5/8〞 27.70 6 5/8FH 24.21 41.0 E.X.G..S 0.362 9.19 IEU

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Bestar steel .co.ltd

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