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1、1、水、煤气籥送钢管规格、重童表咱标（VB） 234-63外径(mm)普通管加厚管mtnQn.)壁厚 （mn）理论重是（不计管搂头kg/m）壁厚 mm)理论重屋（不计管接头（kg.m）6rr1020.892500.463i*13.52250.622.750.731038172250.822.750.9715iz21.252.751253251.44203W26.752.751633.52.0125r33.53252.4242.91321 17442.253.253 1343.7740i r/2483.53.844254.58502,60354884.56.1670217275.53.756.6
2、44.57.88803，88.54S344.759.8 L1004，114410.85513.44125T1404-15.045.518.241506，1651.517.8121.63注D表列胡营是适用干输送水、煤气及采暖系统等用的辆萱。分波群和不镀锌（黑管）两种I又分带螺纹和不带螟纹两种；按壁厚可分为昔逋钢管，加厚钢管和藻壁钢管。（2）钢管的长度规定为：无螟纹的黑营12m；带螺纹的黑管和镀锌誉卜汕。每批允许有10%的（按根数计算） 24m长的短尺钢管或49m米长的接管即用一个管接头将两根钢管连接而成）。（3）经供需双方协议可供应定尺长度或倍尺长度的钢管。其最大长度可到8m。按倍尺交货的钢管.
3、每个单 倍尺应留切口 510mn。钢管用易焊接的软钢制造，钢号和制造方法（炉焊或电厚）均由制造厂选择。（5）钢管应能承受下列规定压力的水压试验：晋通钢管和薄壁钢管：20kg/cm-;jn厚钢管30kg cm%钢管规格重量表l=JI三三公称外 径 nomin al O.D mm公称壁厚 Nominal Wall Thickness mm5.05.56.07.08.09.010.011.012.013.014.015.016.018.020.022.027333.036.239.545.9323.939.343.147.054.762.369.8(325)39.443.347.254.962.57
4、0.1355.643.247.451.760.168.576.9(377)45.850.354.863.872.881.6406.449.454.359.268.978.688.297.7(426)51.957.062.172.382.492.5102.5945755.761.266.777.688.599.4110.120.131.142.3439832398603450874.2886.4898.64110.75122.81134.82146.78158.69(529)77.3890.11102.78115.41127.99140.51152.99165.42(559)81.8295.29
5、108.70122.07135.38148.65161.87175.0461089.37104.09118.76133.39147.96162.48176.96191.39(630)92.33107.54122.71137.82152.89167.91182.88197.80(660)96.77112.72128.63144.48160.29176.05191.76207.42711104.31121.52138.69155.80172.87189.88206.85223.76(720)105.64123.08140.46157.80175.09192.32209.51226.65(762)1
6、30.33148.75167.12185.44203.72221.94240.11258.24813139.13158.81178.44198.02217.55237.03256.46278.88(820)140.160.179.199.219.239.258.276.297.317.256.394.5432.9341999754510712677230186914178.74200.06222.93244.95266.92288.84310.72332.54354.31397.74440.95483.96(920)179.92202.19224.41246.58268.70290.77312
7、.79334.76356.68400.40443.91486.131016198.86223.49248.08272.62297.10321.54345.93370.27394.56443.02491.26539.30(1020)199.65224.38249.07273.70298.39322.82347.31371.75396.1444.79493.23541.471220296.39327.95357.47386.94416.36445.73475.58533.58591.88649.981420347.71362.21416.66451.06485.41519.71553.96622.
8、36690.52758.491620397.03436.46475.84515.17554.46593.60632.87711.14789.17867.001820446.35490.71535.02579.29623.50667.67711.79799.92887.81975.512020495.67544.96594.21643.40692.55741.65796.70888.70986.461084.212220544.99599.21653.39707.52761.60815.63869.61977.481085.111192.532420594.635.712.771.830.889.948.10663456262206660钢管的理论重量表圆形截面钢管重量计算公式：kg/m = (Od - Wt) * Wt * 0.02466其中Od是外径Wt是壁厚
