（六）热轧不等边角钢[（YB）167-65]
B-长边宽度；b-短边宽度；d-边厚；r-内圆弧半径 尺 寸（mm） 角钢号数 B 2.5/1.6 3.2/2 4/2.5 4.5/2.8 25 32 40 45 b 16 20 25 28 d 3 4 3 4 3 4 3 4 4 5 3.5 r 截面面积 (cm2) 1.162 1.499 1.492 1.939 1.890 2.467 2.149 2.806 理论重量 (kg/m) 0.912 1.176 1.171 1.522 1.484 1.936 1.687 2.203 外表面积 (m2/m) 0.080 0.079 0.102 0.101 0.127 0.127 0.143 0.143 5/3.2 50 32 3 4 3 4 5 4 5 6 7 4 5 6 7 5 6 8 10 5 6 7 8 5 6 7 8 5.5 2.431 3.177 2.743 3.590 4.415 4.058 4.993 5.908 6.802 4.547 5.609 6.647 7.657 6.125 7.260 9.467 11.590 6.375 7.560 8.724 9.867 7.212 8.557 9.880 11.183 1.908 2.494 2.153 2.818 3.466 3.185 3.920 4.638 5.339 3.570 4.403 5.218 6.011 4.808 5.699 7.431 9.098 5.005 5.935 6.848 7.745 5.661 6.717 7.756 8.779 0.161 0.160 0.181 0.180 0.180 0.202 0.202 0.201 0.201 0.226 0.225 0.225 0.225 0.245 0.245 0.244 0.244 0.255 0.255 0.255 0.254 0.287 0.286 0.286 0.286 5.6/3.6 56 36 6 6.3/4 63 40 7 7/4.5 70 45 7.5 (7.5/5) 75 50 8 8/5 80 50 9/5.6 90 56 9 6 10/6.3 100 63 7 8 10 6 10/8 100 80 7 8 10 6 11/7 110 70 7 8 10 7 12.5/8 125 80 8 10 12 8 14/9 140 90 10 12 14 10 16/10 160 100 12 14 16 18/11 180 110 10 14 13 12 11 10 10 9.617 11.111 12.584 15.467 10.637 12.301 13.944 17.167 10.637 12.301 13.944 17.167 14.096 15.989 19.712 23.351 18.038 22.261 26.400 30.456 25.315 30.054 34.709 39.281 28.373 7.550 8.722 9.878 12.142 8.350 9.656 10.946 13.476 8.350 9.656 10.946 13.476 11.036 12.551 15.474 18.330 14.160 17.475 20.724 23.908 19.872 23.592 27.247 30.835 22.273 0.320 0.320 0.319 0.319 0.354 0.354 0.353 0.353 0.354 0.354 0.353 0.353 0.403 0.403 0.402 0.402 0.453 0.452 0.451 0.451 0.512 0.511 0.510 0.510 0.571
(六)热轧不等边角钢
