方钢圆钢尺寸,重量,厚度偏差的要求规范.doc

实用标准文案圆钢与方钢尺寸、外形、厚度理论范围允许偏差、重量允许偏差rolled round and square steel bars —Dimension ，shape，weightand tolerance说明：此规范根据中华人民共和国国家标准 GJ/G709-2014《圆钢与方钢的尺寸、 外形、重量及允许偏差》 ，结合我们钢材贸易商的实际使用情况做了一些补充，对国家标准毫无影响1、 范围：本标准规定了圆钢与方钢的截面形状、 截面特性、理论重量允许偏差、尺寸允许偏差、厚度允许偏差及高频焊钢规格等2、 截面形状：3、截面特性圆钢方钢d 或截面每米截面特性截面每米截面特性a/mm面积重量I/cm4W/cm3i/cm面积重量Ix/cm4Wx/cm3ix/cm/cm2/kg/m/cm2/kg/m5.50.2380.1870.00450.01630.1380.3030.2370.00760.02770.15960.2830.2220.00630.02120.150.360.2830.01080.0360.1736.50.3320.260.00880.0270.1630.4230.3320.01490.04580.18870.3850.3020.01180.03370.1750.490.3850.020.05720.20280.5030.3950.02010.05030.20.640.5020.03410.08530.23190.6360.4990.03220.07160.2250.810.6360.05470.12150.26100.7850.6170.04910.09820.2510.7850.08330.16670.289110.950.7460.07190.13070.2751.210.950.1220.22180.318121.1310.8880.10180.16960.31.441.130.17280.2880.346131.3271.0420.14020.21570.3251.691.3270.2380.36620.375精彩文档实用标准文案141.5391.2080.18860.26940.351.961.5390.32010.45730.404151.7671.3870.24850.33130.3752.251.7660.42190.56250.433162.0111.5780.32170.40210.42.562.010.54610.68270.462172.271.7820.410.48230.4252.892.2690.6960.81880.491182.5451.9980.51530.57260.453.242.5430.87480.9720.52192.8352.2260.63970.67340.4753.612.8341.0861.1430.548203.1422.4660.78540.78540.543.141.3331.3330.577213.4642.7190.95470.90920.5254.413.4621.6211.5440.606223.8012.9841.151.0450.554.843.7991.9521.7750.635234.1553.2611.3741.1940.5755.294.1532.3322.0280.664244.5243.5511.6291.3570.65.764.5222.7652.3040.693254.9093.8531.9171.5340.6256.254.9063.2552.6040.722265.3094.1682.2431.7260.656.765.3073.8082.9290.751275.7264.4952.6091.9320.6757.295.7234.4293.2810.779286.1584.8343.0172.1550.77.846.1545.1223.6590.808296.6055.1853.4722.3940.7258.416.5945.8944.0650.837307.0695.5493.9762.6510.7597.0656.754.50.866317.5485.9254.5332.9250.7759.617.5447.6964.9650.895328.0426.3135.1473.2170.810.248.0388.7385.4610.924338.5536.7145.8213.5280.82510.898.5499.8835.990.953349.0797.1276.563.8590.8511.569.07511.146.5510.981359.6217.5537.3664.2090.87512.259.61612.517.1461.013610.187.998.2454.580.912.9610.17147.7761.0393811.348.90310.245.3870.9514.4411.3417.389.1451.0974012.579.86512.576.28311612.5621.3310.671.1554213.8510.8715.277.2741.0517.6413.8525.9312.351.2124515.912.4820.138.9461.12520.2515.934.1715.191.2994818.114.2126.0810.861.223.0418.0944.2418.431.3865019.6415.4230.6812.271.252519.6352.0820.831.4435221.2416.6735.8913.81.327.0421.2360.9323.431.5015523.7618.6544.9216.331.37530.2523.7576.2627.731.5885624.6319.3348.2717.241.431.3624.6281.9529.271.6175826.4220.7455.5519.161.4533.6426.4194.332.521.6746028.2722.1963.6221.211.53628.26108361.7326331.1724.4777.3324.551.57539.6931.16131.341.671.8196533.1826.0587.6226.961.62542.2533.17148.845.771.8766836.3228.5110530.871.746.2436.3178.252.411.9637038.4830.21117.933.671.754938.46200.157.172.0217544.1834.68155.341.421.87556.2544.16263.770.312.1658050.2739.46201.150.2726450.24341.385.332.3098556.7544.55256.260.292.12572.2556.72435102.42.4549063.6249.94322.171.572.258163.59546.8121.52.5989570.8855.64399.884.172.37590.2570.85678.8142.92.742精彩文档实用标准文案10078.5461.65490.998.172.510078.5833.3166.72.88710586.5967.97596.7113.62.625110.386.551013192.93.03111095.0374.6718.7130.72.7512194.991220221.83.175115103.881.5858.5149.32.875132.3103.81458253.53.32120113.188.781018169.6314411317282883.464125122.796.331198191.73.125156.3122.72035325.53.608130132.7104.21402215.73.25169132.72380366.23.753140153.9120.81886269.43.5196153.9。