热轧槽钢（GB／T707～1988）
(1)尺寸规格。
热轧槽钢的尺寸规格
尺 寸／mm
参考数值
理论Y1-Y截面X-X y-y
质量 1 zo型
面积
号 h b d t r r1 ／(kg／ixiy
／em2 Wx/c1x/cWy/cIy／Iy／
／m) cm ／／
m3 m4 m3 cm4 cm4
cm cm
31.91.11.35 50 4.5 7．O 7．O 3.5 6.928 5.438 10.4 26．O3.55 8.3 20.9
7 4 0 5 42.41.11.3
6.3 63 4.8 7.5 7.5 3.8 8.451 6.634 16.1 50.8 4.50 11.928.4
0 5 6 9 41O．23.11.21.48 80 5.0 8.0 8．O 4．O8.045 25.3 101 5.79 16.637.4
3 48 5 7 3 10412.7410．03.91.41.510 5.3 8.5 8.5 4.2 39.7 198 7.80 25.654.9
0 8 8 07 5 1 2 12.12515.6912.314.91.51.5
5.5 9．O 9．O 4.5 62.1 391 10.2 38．O77.1
6 6 3 2 8 5 7 9 14518.5114.535.51.71.714a 6.0 9.5 9.5 4.8 80.5 564 13．O53.2107
0 8 6 5 2 0 1 14621.3116.735.31.61.614b 8.0 9.5 9.5 4.8 87.1 609 14.1 61.1121
0 0 6 3 5 9 7 16621.9617.246.21.81_816a 6.5 10．O10．O5.0 108 866 16.3 73.3144
0 3 2 0 8 3 0 16625.1619.756.11.81.716 8.5 10.0 10.0 5.0 117 935 17.6 83.4161
0 5 2 2 0 2 5 18a 1867．O 1O．510.5 5.2 25.6920.17141 1270 7.020．O98.61.9190 1.8
0 8 9 18729.2918 9．O 1O．510.5 5.2
0 0 9 20728.8320a 7.0 11.0 11．O5.5
0 3 7 20732.8320 9．O 11．O11．O5.5
0 5 7 22731.8422a 7．O 11.5 11.5 5.8
0 7 6
尺 寸／mm
4
23.000 22.637 25.777 24.999 4 6.8
152 1370
4 7.8
178 1780
6 7.6
191 1910
4 8.6
218 2390
7 6 1.9
21.5 11
5 2.1
24.2 128
1 2.0
25.9 144
9 2.2
28.2 158
3 8 1.8210
4 2.0244
1 1.9268
5 2.1298
0
参考数值
理论
Y1-截面质量 X-X y-y
型Y1 zo
面积 ／
号 h b d t r r1 ixIyiyIy／
／em2 (kgWx/c1x/cWy/c
／／／／cm
／m) m3 m4 m3
cm cm4 cm cm4
5.431.91.120.1.3
5 50 37 4.5 7．O7．O3.5 6.928 10.4 26．O3.55 8.3
8 4 0 9 5
11.11.36.2428.48.42.22.0
22 220 79 9.0 5.8 234 2570 30.1 176 326
5 5 6 53 2 1 3
2512.1234.9127.49.82.22.0250 78 7．O6．O270 3370 30.6 176 322 a 0 ．O 7 10 2 4 7 251212.39.9131.39.42.21.9250 80 9.0 6．O282 3530 32.7 196 353 b ．O 0 7 35 1 2 8 2511121244.9135.29.02.21.9250 82 6.0 295 3690 35.9 218 384 c ．O ．O ．O 7 60 7 1 2 2812.i2.40.0331.41O2.32．280 82 7.5 6.2 340 4760 35.7 218 388 a 5 5 4 27 ．9 3 1O 2812.12.45.6335.81O2.32.0280 84 9.5 6.2 366 5130 37.9 242 428 b 5 5 4 23 ．6 0 2 2811.12.12.51.2340.210.2.21.9280 86 6.2 393 5500 40.3 268 463 c 5 5 5 4 19 4 9 5 321414.48.5138.012.2.52.2320 88 8.0 7.0 475 7600 46.5 305 552 a ．O 0 3 83 5 0 4 321O141454.9143.112.2.42.1320 90 7.0 509 8140 49.2 336 593 b ．0 ．O ．O 3 07 2 7 6 32121414.61.3148.111.2.42.0320 92 7．O543 8690 52.6 374 643 e ．O ．O 0 3 31 9 7 9 3616.1660.9147.8119014.2.72.4360 96 9．O8.0 660 63.5 455 818 a 0 ．O 6 14 0 0 3 4 361116.1668.1153.4127013.2.72.3360 98 8.0 703 66.9 497 880 b ．O 0 ．O 0 66 0 6 0 7 36360101316168．O75.3159.1746 134013.70.0 536 2.6948 2.3
c 1 0 ．O ．O ．O O 18 0 4 7 401010.181875.0658.9176015.2.8400 9.0 879 78.8 592 a 0 5 ．O ．O 8 28 0 3 1 401012.18.18.83.0665.21860152.7400 9．O932 82.5 640 b 2 5 0 0 8 08 0 ．O 8 401014.18.1891.0671.4197014.2.7400 9．O986 86.2 688 c 4 5 0 ．O 8 88 0 7 5 6.6.702.5121.1
17．O 3.8 8.547 55.2 4.59 ①65 40 4.8 7.5 7.5 5 9 4 ．O 9
1215.3612.04.737.1.5120 53 5.5 9．O9.0 4.5 57.7 346 10.2 ①
2 59 5 4 6
2412.1234.2126.89.42.2
78 7．O6.0 254 3050 30.5 174 ①240 a 0 ．O 7 60 5 5 24121239.0130.69.12.2240 80 9．O6.0 274 3280 32.5 194 ①b ．O ．O 7 28 7 3 2411.12.1243.8134.38.92.2
82 6.0 293 3510 34.4 213 ①240 c 0 0 ．O 7 96 6 1 2712.12.39.2830.810.2.3270 82 7.5 6.2 323 4360 35.5 216 ①a 5 5 4 38 5 4 2712.12.4.4.635.010.2.3
84 9.5 6.2 347 4690 37.7 239 ①270 b 5 5 84 77 3 1 2711.12.12.50.0839.310.2.2270 86 6.2 372 5020 39.8 261 c① 5 5 5 4 16 1 8 3013.13.43.9034.411.2.4
85 7.5 6.8 403 6050 41.1 260 ①300 a 5 5 2 63 7 3 3013.13.49.9039.111.2.4300 87 9.5 6.8 433 6500 44．O289 ①h 5 5 2 73 4 1 3011.13.13.55.9043.811.2.3
89 6.8 463 6950 46.4 316 ①300 c 5 5 5 2 83 2 8 ① 经供需双方协议可以供应的型号。 (2)允许偏差
热轧槽钢的尺寸允许偏差 (mm)
型
56.36.58 101212.614 161820222425272830 323640号高
±
度±1.5 ±2．O ±3.0 ±3.0
2．O
h 腿
±
宽±1.5 士2．O ±3.0 土3.5
2.5
b
腰±0.4 ±0.5 土±O．7 土O．8
4
1072.40 9 1142.40 4 1222.40 2 28.1.33 8 77.1.67 2
2.1325
0 2.0355
3 2.0388
0 2.1393
3 2.0428
6 2.0467
3 2.1467
7 2.1515
3 2.0560
9
厚d
弯腰挠度 通常长度
5～12m
O．6
不应超过O．15d
5～19m
6～19m
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