热轧普通槽钢截面规格及理论重量表（706-2016）

1、热轧普通槽钢截面规格及理论重量表其中参数如需查询请参阅热轧型钢GB/T706-2016）。说明：h高度；b腿宽度；d腰厚度；t腿中间厚度；r内圆弧半径；r1腿端圆弧半径；Z0重心距离槽钢截面尺寸、截面面积及理论重量表型号尺寸（mm）截面面积(cm2)理论重量(kg/m)hbdtrr1550374.57.07.03.56.9255.446.363404.87.57.53.88.4466.636.565404.37.57.53.88.2926.51880435.08.08.04.010.248.0410100485.38.58.54.2512.7410.0012120535.59.09.04.51

2、5.3612.112.6126535.59.09.04.515.6912.314a140586.09.59.54.818.5114.514b608.021.3116.716a160636.510.010.05.021.9517.216b658.525.1519.818a180687.010.510.55.225.6920.218b709.029.2923.020a200737.011.011.05.528.8322.620b759.032.8325.822a220777.011.511.55.831.8325.022b799.036.2328.524a240787.012.012.06.034

3、.2126.924b809.039.0130.624c8211.043.8134.425a250787.012.012.06.034.9127.425b809.039.9131.325c8211.044.9135.327a270827.512.512.56.239.2730.827b849.544.6735.127c8611.550.0739.328a280827.512.512.56.240.0231.428b849.545.6235.828c8611.551.2240.230a300857.513.513.56.843.8934.530b879.549.8939.230c8911.555.

4、8943.932a320888.014.014.07.048.5038.132b9010.054.9043.132c9212.061.3048.136a360969.016.016.08.060.8947.836b9811.068.0953.536c10013.075.2959.140a40010010.518.018.09.075.0458.940b10212.583.0465.240c10414.591.0471.5槽钢尺寸、外形及允许偏差项目允许偏差高度(h)h1001.5100h2002.0200h4003.0h4004.0腿宽度(b)h1001.5100h1502.0150h2002

5、.5200h3003.0300h4003.5h4004.0腰厚度(d)h1000.4100h2000.5200h3000.7300h4000.8h4000.9弯曲度每米弯曲度3mm，总弯曲度总长度的0.30%重量及允许偏差型钢重量允许偏差应不超过5%，理论重量按密度7.85g/cm3计算。重量偏差（%）按下式计算。重量允许偏差适用于同一尺寸且质量超过1吨的一批，当一批同一尺寸的质量不大于1吨但根数大于10根时也适用。重量偏差=（实际重量-理论重量）理论重量100%型钢的截面面积计算公式：hd+2t(b-d)+0.339(r2-r12)规格表示方法工字钢表示方法为：“”与高度值腿宽度值腰厚度值如：200759（简记为20b）表面质量型钢表面不应有裂缝、折叠、结疤、分层和夹杂。型钢表面