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1、热轧等边角钢截面尺寸、截面面积及理论重量表表中所对应的参数见下图所示(其中参数如需查询请参阅热轧型钢GB/T706-2016)。P说明：b边宽度；d边厚度；r内圆弧半径；ri边端圆弧半径；Z0重 心距离等边角钢截面尺寸、截面面积及理论重量表型号截面尺寸(mm)截面面积(cm2)理论重量(kg/m)外表面积(m2/m)bdr22033.51.1320.8890.07841.4591.150.0772.52531.4321.120.09841.8591.460.09733034.51.7491.370.11742.2761.790.1173.63632.1091.660.14142.7562.16
2、0.14153.3822.650.141440352.3591.850.15743.0862.420.15753.7922.980.1564.545352.6592.090.177型号截面尺寸(mm)截面面积(cm2)理论重量(kg/m)外表面积(m2/m)bdr43.4862.740.17754.2923.370.17665.0773.990.17655035.52.9712.330.19743.8973.060.19754.8033.770.19665.6884.460.1965.656363.3432.6240.22144.3903.4460.22055.4154.2510.22066.
3、425.040.22077.4045.810.21988.3676.5680.21966056.55.8294.580.23666.9145.430.23577.9776.260.23589.027.080.2356.363474.9783.910.24856.1434.820.24867.2885.720.24778.4126.600.24789.5157.470.2471011.669.150.246770485.5704.370.27556.8765.400.27568.1606.410.27579.4247.400.275型号截面尺寸(mm)截面面积(cm2)理论重量(kg/m)外表面
4、积(m2/m)bdr810.678.370.2747.575597.4125.820.29568.7976.910.294710.1607.980.294811.5039.030.294912.8310.10.2941014.1311.10.29388057.9126.210.31569.3977.380.314710.8608.530.314812.309.660.314913.7310.80.3141015.1311.90.31399061010.648.350.354712.309.660.354813.9410.90.353915.5712.20.3531017.1713.50.353
5、1220.3115.90.3521010061211.939.370.393713.8010.80.393815.6412.30.393917.4613.70.3921019.2615.10.3921222.8017.90.3911426.2620.60.3911629.6323.30.390型号截面尺寸(mm)截面面积(cm2)理论重量(kg/m)外表面积(m2/m)bdr11110715.2011.90.433817.2413.50.4331021.2616.70.4321225.2019.80.4311429.0622.80.43112.512581419.7515.50.4921024
6、.3719.10.4911228.9122.70.4911433.3726.20.4901637.7429.60.489141401027.3721.50.5511232.5125.50.5511437.3729.50.5501642.5433.40.5491515081423.7518.60.5921029.3723.10.5911234.9127.40.5911440.3731.70.5901543.0633.80.5901645.7435.90.58916160101631.5024.70.6301237.4429.40.6301443.3034.00.6291649.0738.50.6
7、29181801242.2433.20.7101448.9038.40.7091655.4743.50.709型号截面尺寸(mm)截面面积(cm2)理论重量(kg/m)外表面积(m2/m)bdr1861.9648.60.70820200141854.6442.90.7881662.0148.70.7881869.3054.40.7872076.5160.10.7872490.6671.20.78522220162168.6753.90.8661876.7560.30.8662084.7666.50.8652292.6872.80.86524100.578.90.86426108.385.00.
8、86425250182487.8469.00.9852097.0576.20.98422106.283.30.98324115.290.40.98326124.297.50.98228133.01040.98230141.81110.98132150.51180.98135163.41280.980角钢尺寸、外形及允许偏差项目允许偏差边宽度(b)b560.856b901.290b1401.8140b2003.5边厚度(d)b560.456b900.690b1400.7140b2001.4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)三理论重量xlOO%等边角钢的截面面积计算公式：d(2b-d)+0.2l5(r2-2rl2)规格表示方法：等边角钢：“Z”与边宽度值x边宽度值x边厚度值如：Z200x200x24 (简记为 Z200x24 )。表面质量型钢表面不应有裂缝、折叠、结疤、分层和夹杂。型钢表面允许有局部发纹、凹坑、麻点、划痕和氧化铁皮压入等缺陷存在，但不应超出 型钢尺寸深度的五倍，清除后的型钢尺寸不应超出尺寸的允许偏差。型钢端部不应有大于5mm的毛刺。
热轧等边角钢截面尺寸
