方钢圆钢尺寸,重量,厚度偏差规范.doc

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 barsDimension，shape，weight and 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d或a/mm圆钢方钢截面面积/cm2每米重量/kg/m截面特性截面面积/cm2每米重量/kg/m截面特性I/cm4W/cm3i/cmIx/cm4Wx/cm3ix/cm5.50.2380.1870.00450.01630.1380.3030.2370.00760.02770.15960.2830.2220.00630.02120.150.360.2830.01080.0360.1736.50.3320.260.00880.0270.1630.4230.3320.01490.04580.18870.3850.3020.01180.03370.1750.490.3850.020.05720.20280.5030.3950.02010.05030.20.640.5020.03410.08530.23190.6360.4990.03220.07160.2250.810.6360.05470.12150.26100.7850.6170.04910.09820.2510.7850.08330.16670.289110.950.7460.07190.13070.2751.210.950.1220.22180.318121.1310.8880.10180.16960.31.441.130.17280.2880.346131.3271.0420.14020.21570.3251.691.3270.2380.36620.375141.5391.2080.18860.26940.351.961.5390.32010.45730.404151.7671.3870.24850.33130.3752.251.7660.42190.56250.433162.0111.5780.32170.40210.42.562.010.54610.68270.462172.271.7820.410.48230.4252.892.2690.6960.81880.491182.5451.9980.51530.57260.453.242.5430.87480.9720.52192.8352.2260.63970.67340.4753.612.8341.0861.1430.548203.1422.4660.78540.78540.543.141.3331.3330.577213.4642.7190.95470.90920.5254.413.4621.6211.5440.606223.8012.9841.151.0450.554.843.7991.9521.7750.635234.1553.2611.3741.1940.5755.294.1532.3322.0280.664244.5243.5511.6291.3570.65.764.5222.7652.3040.693254.9093.8531.9171.5340.6256.254.9063.2552.6040.722265.3094.1682.2431.7260.656.765.3073.8082.9290.751275.7264.4952.6091.9320.6757.295.7234.4293.2810.779286.1584.8343.0172.1550.77.846.1545.1223.6590.808296.6055.1853.4722.3940.7258.416.5945.8944.0650.837307.0695.5493.9762.6510.7597.0656.754.50.866317.5485.9254.5332.9250.7759.617.5447.6964.9650.895328.0426.3135.1473.2170.810.248.0388.7385.4610.924338.5536.7145.8213.5280.82510.898.5499.8835.990.953349.0797.1276.563.8590.8511.569.07511.146.5510.981359.6217.5537.3664.2090.87512.259.61612.517.1461.013610.187.998.2454.580.912.9610.17147.7761.0393811.348.90310.245.3870.9514.4411.3417.389.1451.0974012.579.86512.576.28311612.5621.3310.671.1554213.8510.8715.277.2741.0517.6413.8525.9312.351.2124515.912.4820.138.9461.12520.2515.934.1715.191.2994818.114.2126.0810.861.223.0418.0944.2418.431.3865019.6415.4230.6812.271.252519.6352.0820.831.4435221.2416.6735.8913.81.327.0421.2360.9323.431.5015523.7618.6544.9216.331.37530.2523.7576.2627.731.5885624.6319.3348.2717.241.431.3624.6281.9529.271.6175826.4220.7455.5519.161.4533.6426.4194.332.521.6746028.2722.1963.6221.211.53628.26108361.7326331.1724.4777.3324.551.57539.6931.16131.341.671.8196533.1826.0587.6226.961.62542.2533.17148.845.771.8766836.3228.5110530.871.746.2436.3178.252.411.9637038.4830.21117.933.671.754938.46200.157.172.0217544.1834.68155.341.421.87556.2544.16263.770.312.1658050.2739.46201.150.2726450.24341.385.332.3098556.7544.55256.260.292.12572.2556.72435102.42.4549063.6249.94322.171.572.258163.59546.8121.52.5989570.8855.64399.884.172.37590.2570.85678.8142.92.74210078.5461.65490.998.172.510078.5833.3166.72.88710586.5967.97596.7113.62.625110.386.551013192.93.03111095.0374.6718.7130.72.7512194.991220221.83.175115103.881.5858.5149.32.875132.3103.81458253.53.32120113.188.781018169.6314411317282883.464125122.796.331198191.73.125156.3122.72035325.53.608130132.7104.21402215.73.25169132.72380366.23.753140153.9120.81886269.43.5196153.93201457.34.041150176.7138.72485331.33.75225176.64219562.54.33160201.1157.93217402.142562015461682.74.619170227178.24100482.34.25289226.96960818.84.907180254.5199.85153572.64.5324254.387489725.196190283.5222.66397673.44.75361283.41086011435.485200314.2246.67854785.454003141333313335.774210346.4271.99547909.25.25220380.1298.41149910455.55240452.4355.11628613576250490.9385.31917515346.254、理论重量与允许偏差圆钢直径d理论重量/（kg/m）圆钢直径d理论重量/（kg/m）方钢边长a/mm圆钢方钢方钢边长a/mm圆钢方钢5.50.1860.2375619.324.660.2220.2835820.726.46.50.260.3326022.228.370.3020.3856324.531.280.3950.502652633.290.4990.6366828.536.3100.6170.7857030.238.5110.7460.957534.744.2120.8881.138039.550.2131.041.338544.556.7141.211.549049.963.6151.391.779555.670.8161.582.0110061.778.5171.782.271056886.51822.5411074.695192.232.8311581.5104202.473.1412088.8113212.723.4612596.3123222.983.8130104133233.264.15135112143243.554.52140121154253.854.91145130165264.175.31150139177274.495.72155148189284.836.15160158201295.186.6165168214305.557.06170178227315.927.54180200254326.318.04190223283336.718.55200247314347.139.07210272357.559.62220298367.9910.2230326388.911.3240355409.8612.62503854210.913.82604174512.515.92704494814.218.12804835015.419.62905185317.3223005555518.623.73105925、热轧圆钢和方钢的尺寸允许偏差 单位为毫米截面公称尺寸尺寸允许偏差（圆钢直径或方钢边长）1组2组3组5.570.200.300.407200.250.350.4020300.300.400.5030500.400.500.6050800.600.700.80801100.901.001.101101501.201.301.401502001.601.802.002002802.002.503.002803105.006、圆钢与方钢（包括连轧钢板）厚度允许偏差 圆钢与方钢（包括连轧钢板）厚度允许偏差表公称厚度普通精度PT.A公称厚度普通精度PT.A12001500150018001800120015001500180018000.8-1.80.655.06.00.760.790.821.52.00.660.686.08.00.790.820.862.02.50.670.690.708.010.00.830.860.882.53.00.680.700.7210.012.50.860.880.903.04.00.700.720.7412.515.00.880.900.924.05.00.720.740.761525.40.900.920.94注：规定最小屈服强度345，厚度偏差应增加10%。GJ/G709-2014规定 1、材质的牌号和化学成分应符合GB/T700(普碳）、GB/T1591（低合金）的规定。2、圆钢与方钢的尺寸、外形、重量及允许偏差应符合GJ/G709-2014的规定。3、合同未明确时，按如下规定： A)、单轧钢板通常切四边交货；钢带通常不切边交货。B)、单轧钢板厚度偏差种类按对称偏差。C)、钢带和连轧钢板厚度精度按普通精度。7、圆钢与方钢高频焊钢规格类别型号截面尺寸/mm截面面积/cm2截面特性参数H*Bt1t2r惯性矩/cm4惯性半径/cm截面模数/cm3（高度*宽度）IxIyixiyWxWyHW100*100100*100681021.93831344.182.4776.526.7125*125125*1256.591030.318472945.293.1113647150*150150*1507101340.5516605646.393.7322175.1175*175175*1757.5111351.4329009847.54.37331112200*200200*2008121664.28477016008.614.99477160#200*20412121672.28503017008.354.85503167250*250250*2509141692.1810800365010.86.29867292#250*255141416104.711500388010.56.09919304300*300#294*302121220108.317000552012.57.141160365300*300101520120.420500676013.17.491370450300*305151520135.421600710012.67.241440466350*350#344*348101620146333001120015.18.781940646350*350121920173.9403001360015.28.842300776400*400#388*402151524179.2492001630016.69.522540809#394*398111824187.6564001890017.3102860951400*400132124219.5669002240017.510.133401120#400*408212124251.5711002380016.89.7335601170#414*405182824296.2930003100017.710.244901530#428*407203524361.41190003940018.210.455801930*458*417305024529.31870006050018.810.781802900*498*432457024770.82980009440019.711.1120004370HM150*100148*100691327.2510401516.172.3514030.2200*150194*150691639.7627405088.33.5728367.7250*175244*1757111656.24612098510.44200294*2008122073.0311400160012.54.69779160350*250340*25091420101.521700365014.661280292400*300390*300101624136.738900721016.97.262000481450*300440*300111824157.456100811018.97.182550541500*300482*300111528146.460800677020.46.82520451488*300111828164.471400812020.87.032930541600*300582*300121728174.5103000767024.36.633530511588*300122028192.5118000902024.86.854020601#594*302142328222.41370001060024.96.94620701HN100*50100*50571012.1619214.93.981.1138.55.96126*60125*60681017.0141729.34.951.3166.89.75150*75150*75571018.1667949.66.121.6590.613.2175*90175*90581023.21122097.67.262.0514021.7200*100198*994.571323.5916101148.272.216323200*1005.581327.5718801348.252.2118826.8250*125248*124581332.89356025510.42.7828741.1250*125691337.87408029410.42.7932647300*150298*1495.581641.55646044312.43.2643359.4300*1506.591647.53735050812.43.2749067.7350*175346*174691653.191120079214.53.8664991350*1757111663.661370098514.73.93782113#400*150#400*1508131671.121880073416.33.2194297.9400*200396*1997111672.1620000145016.74.481010145400*2008131684.1223700174016.84.541190174#450*150#450*1509142083.4127100793183.081200106450*200446*1998122084.9529000158018.54.311300159450*2009142097.4133700187018.64.381500187#500*150#500233850090719.83.041540121500*200496*19991420101.341900184020.34.271690185500*200101620114.247800214020.54.331910214#506*201111920131.356500258020.84.432230257600*200596*199101524121.269300198023.94.042330199600*200111724135.278200228024.14.112610228#606*201122024153.391000272024.44.213000271700*300#692*300132028211.5172000902028.66.534980602700*300132428235.52010001080029.36.785760722*800*300*729*300142228243.4254000993032.36.396400662*800*300142628267.429200011700336.627290782*900*300*890*300152328270.93450001030035.76.167760688*900*300162828309.84110001260