收藏词条 编辑词条 热轧等边角钢尺寸、外形、重量及允许偏差(摘要) GB 9787–88
热轧等边角钢尺寸、外形、重量及允许偏差(摘要) GB 9787–88
1 主题内容与适用范围
本标准规定了热轧等边角钢的尺寸、外形、重量及允许偏差。
本标准适用于热轧等边角钢。
2 尺寸及允许偏差
2．1截面尺寸及允许偏差
2．1．1等边角钢的截面图示及标注符号如下图所示。
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2．1．2等边角钢的尺寸、截面面积、理论重量及截面特性参数应符合表1的规定。
表1
|
型号 |
尺寸，mm |
截面面积 cm2 |
理论重量 kg／m |
外表面积 m2／m |
参考数值 |
||||||||||||
|
b |
d |
r |
X—X |
X0—X0 |
Y0—Y0 |
X1—X1 |
ZO cm |
||||||||||
|
IX cm4 |
iX cm |
WX cm3 |
IX0 cm4 |
iX0 cm |
WX0 cm3 |
IY0 cm4 |
iY0 cm |
WY0 cm3 |
IX1 cm4 |
||||||||
|
2 |
20 |
3 |
3.5 |
1.132 |
0.889 |
0.078 |
0.40 |
0.59 |
0.29 |
0.63 |
0.75 |
0.45 |
0.17 |
0.39 |
0.20 |
0.81 |
0.60 |
|
4 |
1.459 |
1.145 |
0.077 |
0.50 |
0.58 |
0.36 |
0.78 |
0.73 |
0.55 |
0.22 |
0.38 |
0.24 |
1.09 |
0.64 |
|||
|
2.5 |
25 |
3 |
1.432 |
1.124 |
0.098 |
0.82 |
0.76 |
0.46 |
1.29 |
0.95 |
0.73 |
0.34 |
0.49 |
0.33 |
1.57 |
0.73 |
|
|
4 |
1.859 |
1.459 |
0.097 |
1.03 |
0.47 |
0.59 |
1.62 |
0.93 |
0.92 |
0.43 |
0.48 |
0.40 |
2.11 |
0.76 |
|||
|
3.0 |
30 |
3 |
4.5 |
1.749 |
1.373 |
0.117 |
1.46 |
0.91 |
0.68 |
2.31 |
1.15 |
1.09 |
0.61 |
0.59 |
0.51 |
2.71 |
0.85 |
|
4 |
2.276 |
1.786 |
0.117 |
1.84 |
0.90 |
0.87 |
2.92 |
1.13 |
1.37 |
0.77 |
0.58 |
0.62 |
3.63 |
0.89 |
|||
|
3.6 |
36 |
3 |
2.109 |
1.656 |
0.141 |
2.58 |
1.11 |
0.99 |
4.09 |
1.39 |
1.61 |
1.07 |
0.71 |
0.76 |
4.68 |
1.00 |
|
|
4 |
2.756 |
2.163 |
0.141 |
3.29 |
1.09 |
1.28 |
5.22 |
1.38 |
2.05 |
1.37 |
0.70 |
0.93 |
6.25 |
1.04 |
|||
|
5 |
3.382 |
2.654 |
0.141 |
3.95 |
1.08 |
1.56 |
6.24 |
1.36 |
2.45 |
1.65 |
0.70 |
1.09 |
7.84 |
1.07 |
|||
|
4 |
40 |
3 |
5 |
2.359 |
1.852 |
0.157 |
3.59 |
1.23 |
1.23 |
5.69 |
1.55 |
2.01 |
1.49 |
0.79 |
0.96 |
6.41 |
1.09 |
|
4 |
3.068 |
2.422 |
0.157 |
4.60 |
1.22 |
1.60 |
7.29 |
1.54 |
2.58 |
1.91 |
0.79 |
1.19 |
8.56 |
1.13 |
|||
|
5 |
3.791 |
2.976 |
0.156 |
5.53 |
1.21 |
1.96 |
8.76 |
1.52 |
3.10 |
2.30 |
0.78 |
1.39 |
10.74 |
1.17 |
|||
|
4.5 |
45 |
3 |
2.659 |
2.088 |
0.177 |
5.17 |
1.40 |
1.58 |
8.20 |
1.76 |
2.58 |
2.14 |
0.89 |
1.24 |
9.12 |
1.22 |
|
|
4 |
3.486 |
2.736 |
0.177 |
6.65 |
1.38 |
2.05 |
10.56 |
1.74 |
3.32 |
2.75 |
0.89 |
1.54 |
12.18 |
1.26 |
|||
|
5 |
4.292 |
3.369 |
0.176 |
8.04 |
1.37 |
2.51 |
12.74 |
1.72 |
4.00 |
3.33 |
0.88 |
1.81 |
15.2 |
1.30 |
|||
|
6 |
5.076 |
3.985 |
0.176 |
9.33 |
1.36 |
2.95 |
14.76 |
1.70 |
4.64 |
3.89 |
0.88 |
2.06 |
18.36 |
1.33 |
|||
|
5 |
50 |
3 |
5.5 |
2.917 |
2.332 |
0.197 |
7.18 |
1.55 |
1.96 |
11.37 |
1.96 |
3.22 |
2.98 |
1.00 |
1.57 |
12.50 |
1.34 |
|
4 |
3.897 |
3.059 |
197 |
9.26 |
1.54 |
2.56 |
14.70 |
1.94 |
4.16 |
3.82 |
0.99 |
1.96 |
16.69 |
1.38 |
|||
|
5 |
4.803 |
3.770 |
0.196 |
11.21 |
1.53 |
3.13 |
17.79 |
1.92 |
5.03 |
4.64 |
0.98 |
2.31 |
20.90 |
1.42 |
|||
|
6 |
5.688 |
4.465 |
0.196 |
13.05 |
1.52 |
3.68 |
20.68 |
1.91 |
5.85 |
5.42 |
0.98 |
2.63 |
25.14 |
1.46 |
|||
|
5.6 |
56 |
3 |
6 |
3.343 |
2.624 |
0.221 |
10.19 |
1.75 |
2.48 |
16.14 |
2.20 |
4.08 |
4.24 |
1.13 |
2.02 |
17.56 |
1.48 |
|
4 |
4.390 |
3.446 |
0.220 |
13.18 |
1.73 |
3.24 |
20.92 |
2.18 |
5.28 |
5.46 |
1.11 |
2.52 |
23.43 |
1.53 |
|||
|
5 |
5.415 |
4.251 |
0.220 |
16.02 |
1.72 |
3.97 |
25.42 |
2.17 |
6.42 |
6.61 |
1.10 |
2.98 |
29.33 |
1.57 |
|||
|
8 |
8.367 |
6.568 |
0.219 |
23.63 |
1.68 |
6.03 |
37.37 |
2.11 |
9.44 |
9.89 |
1.09 |
4.16 |
47.24 |
1.68 |
|||
|
6.3 |
63 |
4 |
7 |
4.978 |
3.907 |
0.248 |
19.03 |
1.96 |
4.13 |
30.17 |
2.46 |
6.78 |
7.89 |
1.26 |
3.29 |
33.35 |
1.70 |
|
5 |
6.143 |
4.822 |
0.248 |
23.17 |
1.94 |
5.08 |
36.77 |
2.45 |
8.25 |
9.57 |
1.25 |
3.90 |
41.73 |
1.74 |
|||
|
6 |
7.288 |
5.721 |
0.247 |
27.12 |
1.93 |
6.00 |
43.03 |
2.43 |
9.66 |
11.20 |
1.24 |
4.46 |
50.14 |
1.78 |
|||
|
8 |
10.515 |
7.469 |
0.247 |
34.46 |
1.90 |
7.75 |
54.56 |
2.40 |
12.25 |
14.33 |
1.23 |
5.47 |
67.11 |
1.85 |
|||
|
10 |
11.657 |
9.151 |
0.246 |
41.09 |
1.88 |
9.39 |
64.85 |
2.36 |
14.56 |
17.33 |
1.22 |
6.36 |
84.31 |
1.93 |
|||
|
7 |
70 |
4 |
8 |
5.570 |
4.372 |
0.275 |
26.39 |
2.18 |
5.14 |
41.80 |
2.74 |
8.44 |
10.99 |
1.40 |
4.17 |
45.74 |
1.86 |
|
5 |
6.875 |
5.397 |
0.275 |
32.21 |
2.16 |
6.32 |
51.08 |
2.73 |
10.32 |
13.34 |
1.39 |
4.95 |
57.21 |
1.91 |
|||
|
6 |
8.160 |
6.406 |
0.275 |
37.77 |
2.15 |
7.48 |
59.93 |
2.71 |
12.11 |
15.61 |
1.38 |
5.67 |
68.73 |
1.95 |
|||
|
7 |
9.424 |
7.398 |
0.275 |
43.09 |
2.14 |
8.59 |
68.35 |
2.69 |
13.81 |
17.82 |
1.38 |
6.34 |
80.29 |
1.99 |
|||
|
8 |
10.667 |
8.373 |
0.274 |
48.17 |
2.12 |
9.68 |
76.37 |
2.68 |
15.43 |
19.98 |
1.37 |
6.98 |
91.92 |
2.03 |
|||
|
7.5 |
75 |
5 |
9 |
7.412 |
5.818 |
0.295 |
39.97 |
2.33 |
7.32 |
63.30 |
2.92 |
11.94 |
16.63 |
1.50 |
5.77 |
70.56 |
2.04 |
|
6 |
8.797 |
6.905 |
0.294 |
46.95 |
2.31 |
8.64 |
74.38 |
2.90 |
14.02 |
19.51 |
1.49 |
6.67 |
84.55 |
2.07 |
|||
|
7 |
10.160 |
7.976 |
0.294 |
53.57 |
2.30 |
9.93 |
84.96 |
2.89 |
16.02 |
22.18 |
1.48 |
7.44 |
98.71 |
2.11 |
|||
|
8 |
11.503 |
9.030 |
0.294 |
59.96 |
2.28 |
11.20 |
95.07 |
2.88 |
17.93 |
24.86 |
1.47 |
8.19 |
112.97 |
2.15 |
|||
|
10 |
14.126 |
11.089 |
0.293 |
71.98 |
2.26 |
13.64 |
113.92 |
2.84 |
21.48 |
30.05 |
1.46 |
9.56 |
141.71 |
2.22 |
|||
|
8 |
80 |
5 |
7.912 |
6.211 |
0.315 |
48.79 |
2.48 |
8.34 |
77.33 |
3.13 |
13.67 |
20.25 |
1.60 |
6.66 |
85.36 |
2.15 |
|
|
6 |
9.397 |
7.376 |
0.314 |
57.35 |
2.47 |
9.87 |
90.98 |
3.11 |
16.08 |
23.72 |
1.59 |
7.65 |
102.50 |
2.19 |
|||
|
7 |
10.860 |
8.525 |
0.314 |
65.58 |
2.46 |
11.37 |
104.07 |
3.10 |
18.40 |
27.09 |
1.58 |
8.58 |
119.70 |
2.23 |
|||
|
8 |
12.303 |
9.658 |
0.314 |
73.49 |
2.44 |
12.83 |
116.60 |
3.08 |
20.61 |
30.39 |
1.57 |
9.46 |
136.97 |
2.27 |
|||
|
10 |
15.126 |
11.874 |
0.313 |
88.43 |
2.42 |
15.64 |
140.09 |
3.04 |
24.76 |
36.77 |
1.56 |
11.08 |
171.74 |
2.35 |
|||
|
9 |
90 |
6 |
10 |
10.637 |
8.350 |
0.354 |
82.77 |
2.79 |
12.61 |
131.26 |
3.51 |
20.63 |
34.28 |
1.80 |
9.95 |
145.87 |
2.44 |
|
7 |
12.301 |
9.656 |
0.354 |
94.83 |
2.78 |
14.54 |
150.47 |
3.50 |
23.64 |
39.18 |
1.78 |
11.19 |
170.30 |
2.48 |
|||
|
8 |
13.944 |
10.946 |
0.353 |
106.47 |
2.76 |
16.42 |
168.97 |
3.48 |
26.55 |
43.97 |
1.78 |
12.35 |
194.80 |
2.52 |
|||
|
10 |
17.167 |
13.476 |
0353 |
128.58 |
274 |
20.07 |
203.90 |
3.45 |
32.04 |
53.26 |
1.76 |
14.52 |
244.07 |
2.59 |
|||
|
12 |
20.306 |
15.940 |
0.352 |
149.22 |
2.71 |
23.57 |
236.21 |
3.41 |
37.12 |
62.22 |
1.75 |
16.49 |
293.76 |
2.67 |
|||
|
10 |
100 |
6 |
12 |
11.932 |
9.366 |
0.393 |
114.95 |
3.10 |
15.68 |
181.98 |
3.90 |
25.74 |
47.92 |
2.00 |
12.69 |
200.07 |
2.67 |
|
7 |
13.796 |
10.830 |
0.393 |
131.86 |
3.09 |
18.10 |
208.97 |
3.89 |
29.55 |
54.74 |
1.99 |
14.26 |
233.54 |
2.71 |
|||
|
8 |
15.638 |
12.276 |
0.393 |
148.24 |
3.08 |
20.47 |
235.07 |
3.88 |
33.24 |
61.41 |
1.98 |
15.75 |
267.09 |
2.76 |
|||
|
10 |
19.261 |
15.120 |
0.392 |
179.51 |
3.05 |
25.06 |
284.68 |
3.84 |
40.26 |
74.35 |
1.96 |
18.54 |
334.48 |
2.84 |
|||
|
12 |
22.800 |
17.898 |
0.391 |
208.90 |
303 |
2948 |
330.95 |
3.81 |
46.80 |
86.84 |
1.95 |
21.08 |
402.34 |
2.91 |
|||
|
14 |
26.256 |
20.611 |
0.391 |
236.53 |
3.00 |
33.73 |
374.06 |
3.77 |
52.90 |
99.00 |
1.94 |
23.44 |
470.75 |
2.99 |
|||
|
16 |
29.627 |
23.257 |
0.390 |
262.53 |
2.98 |
37.82 |
414.16 |
3.74 |
58.57 |
110.89 |
1.94 |
25.63 |
539.80 |
3.06 |
|||
|
11 |
110 |
7 |
15.196 |
11.928 |
0.433 |
177.16 |
3.41 |
22.05 |
280.94 |
4.30 |
36.12 |
73.38 |
2.20 |
17.51 |
310.64 |
2.96 |
|
|
8 |
17.238 |
13.532 |
0.433 |
199.46 |
3.40 |
24.95 |
316.49 |
4.28 |
40.69 |
82.42 |
2.19 |
19.39 |
355.20 |
3.01 |
|||
|
10 |
21.261 |
16.690 |
0.432 |
242.19 |
3.38 |
30.60 |
384.39 |
4.25 |
49.42 |
99.98 |
2.17 |
22.91 |
444.65 |
3.09 |
|||
|
12 |
25.200 |
19.782 |
0.431 |
282.55 |
3.35 |
36.05 |
448.17 |
4.22 |
57.62 |
116.93 |
2.15 |
26.15 |
534.60 |
3.16 |
|||
|
14 |
29.056 |
22.809 |
0.431 |
320.71 |
3.32 |
41.31 |
508.01 |
4.18 |
65.31 |
133.40 |
2.14 |
29.14 |
625.16 |
3.24 |
|||
|
12.5 |
125 |
8 |
14 |
19.750 |
15.504 |
0.492 |
297.03 |
3.88 |
35.52 |
470.89 |
4.88 |
53.28 |
123.16 |
2.50 |
25.86 |
521.01 |
3.37 |
|
10 |
24.373 |
19.133 |
0.491 |
361.67 |
3.85 |
39.97 |
573.89 |
4.85 |
64.93 |
149.46 |
2.48 |
30.62 |
651.93 |
3.45 |
|||
|
12 |
28.912 |
22.696 |
0.491 |
423.16 |
3.83 |
41.17 |
671.44 |
4.82 |
75.96 |
174.88 |
2.46 |
35.03 |
783.42 |
3.53 |
|||
|
14 |
38.367 |
26.193 |
0.490 |
481.65 |
3.80 |
54.16 |
763.73 |
4.78 |
86.41 |
199.57 |
2.45 |
39.13 |
915.61 |
3.61 |
|||
|
14 |
140 |
10 |
27.373 |
21.488 |
0.551 |
514.65 |
4.34 |
50.58 |
817.27 |
5.46 |
82.56 |
212.04 |
2.78 |
39.20 |
915.11 |
3.82 |
|
|
12 |
32.512 |
25.522 |
0.551 |
603.68 |
4.31 |
59.80 |
958.79 |
5.43 |
96.85 |
248.57 |
2.76 |
45.02 |
1099.28 |
3.90 |
|||
|
14 |
37.567 |
29.490 |
0.550 |
688.81 |
4.28 |
68.75 |
1093.56 |
5.40 |
110.47 |
284.06 |
2.75 |
50.45 |
1284.22 |
3.98 |
|||
|
16 |
42.539 |
33.393 |
0.549 |
770.24 |
4.26 |
77.46 |
1221.81 |
5.36 |
123.42 |
318.67 |
2.74 |
55.55 |
1470.07 |
4.06 |
|||
|
16 |
160 |
10 |
16 |
31.502 |
24.729 |
0.630 |
779.53 |
4.98 |
66.70 |
1237.30 |
6.27 |
109.36 |
321.76 |
3.20 |
52.76 |
1365.33 |
4.31 |
|
12 |
37.441 |
29.391 |
0.630 |
916.58 |
4.95 |
78.98 |
1455.68 |
6.24 |
128.67 |
377.49 |
3.18 |
60.74 |
1639.57 |
4.39 |
|||
|
14 |
43.296 |
33.987 |
0.629 |
1048.36 |
4.92 |
90.95 |
1665.02 |
6.20 |
147.17 |
431.70 |
3.16 |
68.24 |
1914.68 |
4.47 |
|||
|
16 |
49.076 |
38.518 |
0.629 |
1175.08 |
4.89 |
102.63 |
1865.57 |
6.17 |
164.89 |
484.59 |
3.14 |
75.31 |
2190.82 |
4.55 |
|||
|
18 |
180 |
12 |
42.241 |
33.159 |
0.710 |
1321.35 |
5.59 |
100.82 |
2100.10 |
7.05 |
165.00 |
542.61 |
3.58 |
78.41 |
2332.80 |
4.98 |
|
|
14 |
48.896 |
38.383 |
0.709 |
1514.48 |
5.56 |
116.25 |
2407.42 |
7.02 |
189.14 |
621.53 |
3.56 |
88.38 |
2723.48 |
4.97 |
|||
|
16 |
55.467 |
43.542 |
0.709 |
1700.99 |
5.54 |
131.13 |
2703.37 |
6.98 |
212.40 |
698.60 |
3.55 |
97.83 |
3115.29 |
5.05 |
|||
|
18 |
61.955 |
48.634 |
0.708 |
1875.12 |
5.50 |
145.64 |
2988.24 |
6.94 |
234.78 |
762.01 |
3.51 |
105.14 |
3502.43 |
5.13 |
|||
|
20 |
200 |
14 |
18 |
54.642 |
42.894 |
0.788 |
2103.55 |
6.20 |
144.70 |
3343.26 |
7.82 |
236.40 |
863.83 |
3.98 |
111.82 |
3734.10 |
5.46 |
|
16 |
62.013 |
48.680 |
0.788 |
2366.15 |
6.18 |
163.65 |
3760.89 |
7.79 |
265.93 |
971.41 |
3.96 |
132.96 |
4270.39 |
5.54 |
|||
|
18 |
69.301 |
54.401 |
0.787 |
2620.64 |
6.15 |
182.22 |
4164.54 |
7.75 |
294.48 |
1076.74 |
3.94 |
135.S2 |
4808.13 |
5.62 |
|||
|
20 |
76.505 |
60.056 |
0.787 |
2867.30 |
6.12 |
200.42 |
4554.55 |
7.72 |
322.06 |
1180.04 |
3.93 |
146.55 |
5347.51 |
5.69 |
|||
|
24 |
90.661 |
71.168 |
0.785 |
3338.25 |
6.07 |
236.17 |
5294.97 |
7.64 |
374.41 |
1381.53 |
3.90 |
166.65 |
6457.16 |
5.87 |
|||
注：截面图中的r1=1／3d及表中r值的数据用于孔型设计，不做交货条件。
标记示例
普通碳素钢甲类3号镇静钢，尺寸为160mm×160mmX16mm的热轧等边角钢标记如下：
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