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1、常用钢材规格表常用钢材规格表一、热轧等边角钢一、热轧等边角钢尺寸（mm）允许偏差型号 边宽边厚截面面 积 （cm2）理论质量 （kg/m）边宽边厚长度 (m )31.1320.889220 41.4591.145 31.4321.1242.525 41.8591.459 31.7491.3733.030 42.2261.786 32.1091.656 42.7562.1633.636 53.3822.654 32.3591.852 43.0862.422440 53.7912.976 32.6592.088 43.4862.736 54.2923.3694.54565.0763.985 32.
2、9712.332 43.8973.059 54.8033.77055065.6884.465 33.3432.624 44.3903.446 55.4154.2515.65688.3676.5680.80.444.9783.907 56.1434.822 67.2885.721 89.5157.4696.3631011.6579.151 45.5704.372 56.8755.397 68.1606.406 79.4247.398770810.6678.373 57.4125.818 68.7976.905412710.1607.976 811.5039.0307.5751014.12611.
3、089 57.9126.211 69.3977.736 710.6808.525 812.3039.6588801015.12611.874 610.6378.350 712.3019.656 813.94410.946 1017.16713.4769901220.30615.9401.20.6611.9369.366 713.79610.830 815.63812.276 1019.26115.120 1222.80017.898 1426.25620.611101001629.62723.257 715.19611.928 817.23813.532 1021.26116.690 1225
4、.20019.782111101429.25622.809 819.75015.504 1024.37319.133 1228.91222.69612.51251433.36726.193 1027.37321.488 1232.51225.522 1437.56729.490141401642.53933.3931.80.74191031.50224.729 1237.44129.391 1443.29633.987161601649.06738.518 1242.24133.159 1448.89638.383 1655.46743.542181801861.95548.634 1454.
5、64242.894 1662.01348.6802.51.06191869.30154.401 2076.50560.056202002490.66171.168二、热轧不等边角钢二、热轧不等边角钢尺寸(mm)型号 长边短边边厚r截面面 积(cm2)理论质 量(kg/m) 31.1620.9122.5/1.62516 41.4991.176 31.4921.1713.2/2322 43.51.9391.522 31.8901.4844/2.54025 44 2.4671.936 32.1491.6874.5/2.84528 45 2.8062.203 32.4311.9085/3.25032
6、45.5 3.1772.494 32.7432.153 43.5902.8185.6/3.65636 56 4.4153.466 44.0583.185 54.9933.920 65.9084.6386.3/46340776.8025.339 44.5473.570 55.6094.403 66.6475.2187/4.5704577.57.6576.011 56.1254.808 67.2605.699 89.4677.431(7.5/5)755010811.5909.098 56.3755.005 67.5605.935 78.7246.8488/58050889.8677.745 57.
7、2125.661 68.5576.717 79.8807.7569/5.690568911.1838.779 69.6177.550 711.1118.722 812.5849.87810/6.3100631015.46712.142 610.6378.350 712.3019.65610/810080 813.94410.9461017.16713.476 610.6378.350 712.3019.656 813.94410.94611/711070101017.16713.476 714.09611.066 815.98912.551 1019.71215.47412.5/8125801
8、21123.35118.330 818.03814.160 1022.26117.475 1226.40020.72414/914090141230.45623.908 1025.31519.872 1230.05423.592 1434.70927.24716/10160100161339.28130.835 1028.37322.273 1233.71226.464 1438.96730.58918/11180110161444.13934.649 1237.91229.761 1443.86734.436 1649.73939.04520/12.5200125181455.52643.5
9、88 三、热轧工字钢三、热轧工字钢 尺寸(mm)允许偏差型号 高度 h腿宽 b腰厚 dt截面面 积(cm2)理论 质量 (kg/m)hbd10100684.57.614.34511.26 12120745.08.417.81813.99 12.6126745.08.418.11814.232. 0 14140805.59.121.51616.89 16160886.09.926.13120.51 18180946.510.730.75624.142. 0 2. 50. 520(a)2001007.011.435.57827.93 20(b)2001029.011.439.57831.07 22
10、(a)2201107.512.342.12833.07 22(b)2201129.512.346.52836.52 24(a)2401168.013.047.74137.48 24(b)24011810.013.052.54141.25 25(a)2501168.013.048.54138.11 25(b)25011810.013.053.54142.03 27(a)2701228.513.754.55442.83 27(b)27012410.513.759.95447.06 28(a)2801228.513.755.40443.49 28(b)28012410.513.761.00447.8
11、9 30(a)3001269.014.461.25448.083. 03. 00. 730(b)30012811.014.467.25452.79 3030013013.014.473.25457.50 32(a)3201309.515.067.15652.72 32(b)32013211.515.073.55657.74 32(c)32013413.515.079.95662.77 36(a)36013610.015.876.48060.04 36(b)36013612.015.876.48065.69 40(a)40014210.516.586.11267.60 40(b)40014412
12、.516.594.11273.88 40(c)40014614.516.5102.11280.163. 50. 845(a)45015011.518.0102.44680.42 45(b)45015213.518.0111.44687.49 45(c)45015415.518.0120.44694.55 50(a)50015812.020.0119.30493.65 50(b)50016014.020.0129.304101.50 50(c)50016216.020.0139.304109.35 55(a)55016612.521.0134.185105.34 55(b)55016814.52
13、1.0145.185113.97 55(c)55017016.521.0156.185122.61 56(a)56016612.521.0135.435106.32 56(b)56016814.521.0146.635115.11 56(c)56017016.521.0157.835123.90 63(a)63017613.522.0154.658121.41 63(b)63017815.022.0167.258131.30 63(c)63018017.022.0179.858141.194. 04. 00. 9四、热轧槽钢四、热轧槽钢 尺寸(mm)主要尺寸允许偏差 (mm)型号高度 h腿宽
14、b腰厚 dtrr1理论 质量 (kg/m)高度 h腿宽 b腰厚 d长度 (m)550374.57.07.03.55.438 6.363404.87.57.53.86.634 (6.5)65404.87.57.53.86.709 880435.08.08.04.08.0501.51.50.451210100485.38.58.54.210.010 (12)120535.59.09.04.512.059 12.6126535.59.09.04.512.318 14a140586.09.59.54.814.535 14b140608.09.59.54.816.7332.00.5(16a)160636
15、.510.010.05.017.240 16160658.510.010.05.019.752 18a180709.010.510.55.223.0002.02.50.6519(20a)200737.011.011.05.522.637 20200759.011.011.05.525.777 (22a)220777.011.511.55.824.999 22220799.011.511.55.828.453 (22a)220777.011.511.55.824.999 22220799.011.511.55.828.453(24a)240787.012.012.06.026.860 (24b)
16、240809.012.012.06.030.628 (24c)2408211.012.012.06.034.396 25a250787.012.012.06.027.410 25b250809.012.012.06.031.335 25c2508211.012.012.06.035.260 (27a)270827.512.512.56.230.838 (27b)270849.512.512.56.235.077 (27c)2708611.512.512.56.239.316 28a280827.512.512.56.231.427 28b280849.512.512.56.235.823 28c2808611.512.512.56.240.219 (30a)300857.513.513.56.834.463 (30b)300879.513.513.56.839.173 (30c)3008911.513.513.56.843.8833.03.00.732a320888.014.014.07.038.083 32b3
