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Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn Seamless steel tube for boiler (YB232-70) Seamless pipe for boiling water pipe Outer diameter (mm) Wall thickness (mm) 2.5 3 3.5 4 4.5 5 5.5 6 7 8 9 10 Theoretical weight (kg/m) 51 2.99 3.55 4.10 4.64 5.16 5.67 6.17 6.66 7.60 8.48 57 3.36 4.00 4.62 5.23 5.83 6.41 6.99 7.55 8.63 9.67 60 4.22 4.83 5.52 6.16 6.78 7.39 7.99 9.15 10.26 11.32 63.5 4.48 5.18 5.87 6.55 7.21 7.87 8.51 9.75 10.95 12.10 70 4.96 5.74 6.51 7.27 8.01 8.75 9.47 10.88 12.23 13.54 14.8 76 6.26 7.10 7.93 8.75 9.56 10.36 11.91 13.42 14.87 16.28 83 6.86 7.79 8.71 9.62 10.51 11.39 13.12 14.80 16.42 18.00 89 7.38 8.38 9.38 10.38 11.33 12.28 14.16 15.93 17.76 19.48 95 8.98 10.04 11.10 12.14 13.17 15.19 17.16 19.09 20.96 102 9.67 10.82 11.96 13.09 14.21 16.40 18.55 20.64 22.69 108 10.26 11.49 12.70 13.90 15.09 17.44 19.73 21.97 24.17