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1、热轧不等边角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：B 长边宽度；b短边宽度；d边厚度；r内圆弧半径；ri边端圆弧半径；X0重心距离；Y0重心距离不等边角钢截面尺寸、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)外表面积(m2/m)Bbdr2.5/1.6251633.51.1620.910.08041.4991.180.0793.2/2322031.4921.170.10241.9391.520.1014/2.54025341.8901.480.12742.4671.940.1274.5/2.84528352.1491.
2、690.14342.8062.200.1435/3.2503235.52.4311.910.16143.1772.490.1605.6/3.65636362.7432.150.18143.5902.820.18054.4153.470.1806.3/46340474.0583.190.202型号尺寸(mm)截面面积(cm2)理论重量 (kg/m)外表面积(m2/m)Bbdr54.9933.920.20265.9084.640.20176.8025.340.2017/4.5704547.54.5533.570.22655.6094.400.22566.6445.220.22577.6586.01
3、0.2257.5/57550586.1264.810.24567.2605.700.24589.4677.430.2441011.599.100.2448/5805056.3755.000.25567.5605.930.25578.7246.850.25589.8677.750.2549/5.69056597.2125.660.28768.5576.720.28679.8817.760.286811.188.780.28610/6.3100636109.6187.550.320711.118.720.320812.589.880.3191015.4712.100.31910/810080610
4、10.648.350.354712.309.660.354813.9410.90.3531017.1713.50.353型号尺寸(mm)截面面积(cm2)理论重量 (kg/m)外表面积(m2/m)Bbdr11/711070610.648.350.354712.309.660.354813.9410.90.3531017.1713.50.35312.5/81258071114.1011.10.403815.9912.60.4031019.7115.50.402122.3318.30.40214/91409081218.0414.20.4531022.2617.50.4521226.4020.70
5、.4511430.4623.90.45115/915090818.8414.80.4731022.2618.30.4721227.6021.70.4711431.8625.00.4711533.9525.70.4711636.0328.30.47016/10160100101325.3219.90.5121230.0523.60.5111434.7127.20.5101639.2830.80.51018/11180110101428.3722.30.5711233.7126.50.5711438.9730.60.5701644.1434.60.56920/12.52001251237.9129
6、.80.641型号尺寸(mm)截面面积(cm2)理论重量 (kg/m)外表面积(m2/m)Bbdr1443.8734.40.6401649.7439.00.6391855.5343.60.639角钢尺寸、外形及允许偏差项目允许偏差边宽度(B, b)b*560.856b*901.290vb*1401.8140vb*2003.5边厚度(d)b*560.456b*900.690vb*1400.7140b*2001.4注明*不等边角钢按长边宽度。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%不等边角钢的截面面积计算公式：d(B+b-d)+0.2l5(r2-2rl2)规格表示方法不等边角钢：“Z”与长边宽度值x短边宽度值x边厚度值如：Z160x100x16。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
