热轧圆钢和方钢的尺寸规格
直径d (或边长a) /mm |
精度组别 |
|
截面面积/cm² |
理论质量(kg/m) |
|
|||
1组 |
2组 |
3组 |
||||||
圆 钢 |
方 钢 |
圆 钢 |
方 钢 |
|||||
允许偏差/mm |
|
|||||||
5.5 |
±0.20 |
±0.30 |
±0.40 |
..2375 |
0.30 |
0.186 |
0.237 |
|
6 |
0.2827 |
0.36 |
0.222 |
0.283 |
|
|||
6.5 |
0.3318 |
0.42 |
0.260 |
0.332 |
|
|||
7 |
0.3848 |
0.49 |
0.302 |
0.385 |
|
|||
8 |
±0.25 |
±0.35 |
±0.40 |
0.5077 |
0.64 |
0.395 |
0.502 |
|
9 |
0.6362 |
0.81 |
0.499 |
0.636 |
|
|||
10 |
0.7854 |
1.0 |
0.617 |
0.785 |
|
|||
*11 |
0.9503 |
1.21 |
0.746 |
0.95 |
|
|||
12 |
1.131 |
1.44 |
0.888 |
1.13 |
|
|||
13 |
1.327 |
1.69 |
1.04 |
1.33 |
|
|||
14 |
1.539 |
1.96 |
1.21 |
1.54 |
|
|||
15 |
1.767 |
2.25 |
1.39 |
1.77 |
|
|||
16 |
2.011 |
2.56 |
1.58 |
2.01 |
|
|||
17 |
2.270 |
2.89 |
1.78 |
2.27 |
|
|||
18 |
2.545 |
3.24 |
2.00 |
2.54 |
|
|||
19 |
2.835 |
3.61 |
2.23 |
2.83 |
|
|||
20 |
3.142 |
4.00 |
2.47 |
3.14 |
|
|||
21 |
±. 30 |
±. 40 |
±. 50 |
3.464 |
4.41 |
2.72 |
3.46 |
|
22 |
3.801 |
4.84 |
2.98 |
3.80 |
|
|||
*23 |
4.155 |
5.29 |
3.26 |
4.15 |
|
|||
24 |
4.524 |
5.76 |
3.55 |
4.52 |
|
|||
25 |
4.909 |
6.25 |
3.85 |
4.91 |
|
|||
26 |
5.309 |
6.76 |
4.17 |
5.31 |
|
|||
*27 |
5.726 |
7.29 |
4.49 |
5.72 |
|
|||
28 |
6.158 |
7.84 |
4.83 |
6.15 |
|
|||
*29 |
6.605 |
8.41 |
5.18 |
6.60 |
|
|||
30 |
7.069 |
9.00 |
5.55 |
7.06 |
|
|||
*31 |
±0.40 |
±0.50 |
±0.60 |
7.548 |
9.61 |
5.93 |
7.54 |
|
32 |
8.042 |
10.24 |
6.31 |
8.04 |
|
|||
*33 |
8.553 |
10.89 |
6.71 |
8.55 |
|
|||
34 |
9.097 |
11.56 |
7.13 |
9.07 |
|
|||
*35 |
9.621 |
12.25 |
7.55 |
9.62 |
|
|||
36 |
10.18 |
12.96 |
7.99 |
10.2 |
|
|||
38 |
11.34 |
14.44 |
8.90 |
11.3 |
|
|||
40 |
12.57 |
16.00 |
9.86 |
12.6 |
|
|||
42 |
13.85 |
17.64 |
10.9 |
13.8 |
|
|||
45 |
15.90 |
20.25 |
12.5 |
15.9 |
|
|||
48 |
18.10 |
23.04 |
14.2 |
18.1 |
|
|||
50 |
19.64 |
25.00 |
15.4 |
19.6 |
|
|||
53 |
±0.60 |
±. 70 |
±0.80 |
22.06 |
28.09 |
17.3 |
22.. |
|
*55 |
23.76 |
30.25 |
18.6 |
23.7 |
|
|||
56 |
24.63 |
31.36 |
19.3 |
24.6 |
|
|||
*58 |
26.42 |
33.64 |
20.7 |
26.4 |
|
|||
60 |
±. 60 |
±. 70 |
±0.80 |
28.27 |
36.00 |
22.2 |
28.3 |
|
63 |
31.17 |
39.69 |
24.5 |
31.2 |
|
|||
*65 |
33.18 |
42.25 |
26.. |
33.2 |
|
|||
*68 |
36.32 |
46.24 |
28.5 |
36.3 |
|
|||
70 |
38.48 |
49.00 |
30.2 |
38.5 |
|
|||
75 |
44.18 |
56.25 |
34.7 |
44.2 |
|
|||
80 |
50.27 |
64.00 |
39.5 |
50.2 |
|
|||
85 |
±. 9 |
±1.0 |
±1.1 |
56.75 |
72.25 |
44.5 |
56.7 |
|
90 |
63.62 |
81.00 |
49.9 |
63.6 |
|
|||
95 |
70.88 |
90.25 |
55.6 |
70.8 |
|
|||
100 |
78.54 |
100.00 |
61.7 |
78.5 |
|
|||
105 |
86.59 |
110.25 |
68.0 |
86.5 |
|
|||
110 |
95.03 |
121.00 |
74.6 |
95.0 |
|
|||
115 |
±1.2 |
±1.3 |
±1.4 |
103.82 |
132.26 |
81.5 |
104 |
|
120 |
113.10 |
144.00 |
88.8 |
113 |
|
|||
125 |
122.72 |
156.25 |
96.3 |
123 |
|
|||
130 |
132.73 |
169.00 |
104 |
133 |
|
|||
140 |
153.94 |
196.00 |
121 |
154 |
|
|||
150 |
176.72 |
225.00 |
139 |
177 |
|
|||
160 |
- |
- |
±2.0 |
201.06 |
256.00 |
158 |
201 |
|
170 |
226.98 |
289.00 |
178 |
227 |
|
|||
180 |
254.47 |
324.00 |
200 |
254 |
|
|||
190 |
283.53 |
361.00 |
223 |
283 |
|
|||
200 |
- |
- |
±2.5 |
314.16 |
400.00 |
247 |
314 |
|
220 |
380.13 |
- |
298 |
- |
|
|||
250 |
490.88 |
- |
385 |
- |
|
注:1.表中的理论质量是按钢的密度为7.85g/crn3计算的。
2.表中带“*”号的规格,不推荐使用。
热轧六角钢和八角钢的尺寸规格
对边距离 s/mm |
允许偏差/mm |
截面面积/cm2 |
理论质量(kg/m) |
||||
1组 |
2组 |
3组 |
六角钢 |
八角钢 |
六角钢 |
八角钢 |
|
8 |
±0.25 |
±0.35 |
±0.40 |
0.5543 |
|
0.435 |
|
9 |
0.7015 |
|
0.551 |
|
|||
10 |
0.866 |
|
0.680 |
|
|||
11 |
1.048 |
|
0.823 |
|
|||
12 |
1.247 |
|
0.979 |
|
|||
13 |
1.464 |
|
1.15 |
|
|||
14 |
1.697 |
|
1.33 |
|
|||
15 |
1.949 |
|
1.53 |
|
|||
16 |
2.217 |
2.120 |
1.74 |
1.66 |
|||
17 |
2.503 |
|
1.96 |
|
|||
18 |
2.806 |
2.683 |
2.20 |
2.16 |
|||
19 |
3.126 |
|
2.45 |
|
|||
20 |
3.464 |
3.312 |
2.72 |
2.60 |
|||
21 |
±0.30 |
±0.40 |
±0.50 |
3.819 |
|
3.00 |
|
22 |
4.192 |
4.008 |
3.29 |
3.15 |
|||
23 |
4.581 |
|
3.60 |
|
|||
24 |
4.988 |
|
3.92 |
|
|||
25 |
5.413 |
5.175 |
4.25 |
4.06 |
|||
26 |
5.854 |
|
4.60 |
|
|||
27 |
6.314 |
|
4.96 |
|
|||
28 |
6.790 |
6.492 |
5.33 |
5.10 |
|||
30 |
7.794 |
7.452 |
6.12 |
5.85 |
|||
32 |
±0.40 |
±0.50 |
±0.60 |
8.868 |
8.479 |
6.96 |
6.66 |
34 |
10.011 |
9.572 |
7.86 |
7.51 |
|||
36 |
11.223 |
10.731 |
8.81 |
8.42 |
|||
38 |
12.505 |
11.956 |
9.82 |
9.39 |
|||
40 |
13.86 |
13.25 |
10.88 |
10.40 |
|||
42 |
±0.40 |
±0.50 |
±0.60 |
15.28 |
|
11.99 |
|
45 |
17.54 |
|
13.77 |
|
|||
48 |
19.95 |
|
15.66 |
|
|||
50 |
21.65 |
|
17.00 |
|
|||
53 |
24.33 |
|
19.10 |
|
|||
56 |
27.16 |
|
21.32 |
|
|||
58 |
29.13 |
|
22.87 |
|
|||
60 |
±0.60 |
±0.70 |
±0.80 |
31.18 |
|
24.50 |
- |
63 |
34.37 |
|
26.98 |
|
|||
65 |
36.59 |
|
28.72 |
|
|||
68 |
40.04 |
|
31.43 |
|
|||
70 |
42.43 |
|
33.30 |
|
注:1.表列理论质量系按密度7.85g/cm3计算的。
2.钢的通常长度为:普通钢3-8m,优质钢2-6m。
(1)尺寸规格
银亮钢的尺寸规格
圆钢直径 d/mm |
截面面积 /mm2 |
理论质量 / (kg/1000m) |
圆钢直径 d |
截面面积 /mm2 |
理论质量 /(kg/1000m) |
0 60 |
0.2827 |
2.219 |
1.50 |
1.767 |
13.87 |
0 63 |
0.3117 |
2.444 |
1.60 |
2.001 |
15.78 |
0 70 |
0.3848 |
3.024 |
1.80 |
2.545 |
19.94 |
0.80 |
0.5027 |
3.95 |
2 00 |
3.142 |
24.65 |
0 90 |
0.6362 |
4.99 |
2.20 |
3.801 |
29.83 |
1.00 |
0.7854 |
6.17 |
2 50 |
4.909 |
38.54 |
1.10 |
0.9503 |
7 46 |
2.80 |
6.158 |
48.36 |
1.20 |
1.131 |
8.88 |
3.00 |
7.069 |
55.50 |
1.40 |
1.539 |
12.08 |
3.20 |
8.042 |
63.11 |
3.50 |
9.621 |
75.52 |
24.0 |
452.4 |
3550 |
4.00 |
12.57 |
98.6 |
25.0 |
490.9 |
3850 |
4.50 |
15.90 |
124.8 |
26.0 |
530.9 |
4170 |
5.00 |
19.63 |
154.2 |
28.0 |
615.8 |
4830 |
5.50 |
23.76 |
187.2 |
|||
6.00 |
28.27 |
221.9 |
30.0 |
706.9 |
5550 |
6.30 |
31.17 |
244.4 |
32.0 |
804.2 |
6310 |
7.0 |
38.48 |
302.1 |
33.0 |
855.3 |
6710 |
7.5 |
44.18 |
347 |
34.0 |
907.9 |
7130 |
8.0 |
50.27 |
395 |
35.0 |
962.1 |
7552 |
8.5 |
56.75 |
445 |
36.0 |
1017.8 |
7990 |
9.0 |
63.62 |
4919 |
38.0 |
1134 |
8900 |
9.5 |
70.88 |
556 |
40.0 |
1257 |
9896 |
10.0 |
78.54 |
617 |
42.0 |
1385 |
10900 |
10.5 |
86.59 |
680 |
45.0 |
1590 |
12500 |
11.0 |
95.03 |
746 |
48.0 |
1810 |
14200 |
11.5 |
103.9 |
815 |
50.0 |
1963 |
15420 |
12.0 |
113.1 |
888 |
53.0 |
2206 |
17300 |
13.0 |
132.7 |
1040 |
55.0 |
2376 |
18600 |
14.0 |
153.9 |
1210 |
56.0 |
2463 |
19300 |
15.0 |
176.7 |
1390 |
58.0 |
2642 |
20700 |
16.0 |
201.1 |
1580 |
60.0 |
2827 |
22200 |
17.0 |
227.0 |
1780 |
63.0 |
3117 |
24500 |
18.0 |
254.5 |
2000 |
65.0 |
3318 |
26000 |
19.0 |
283.5 |
2230 |
68.0 |
3632 |
28500 |
20.0 |
314.2 |
2470 |
70.0 |
3848 |
30200 |
21.0 |
346.4 |
2720 |
75.0 |
4418 |
34700 |
22.0 |
380.1 |
29s0 |
80.0 |
5027 |
39500 |
注:1.银亮钢的交货状态分为:抛光(代号为P)、磨光(M)、磨拉(ML)及切削(Q)。交货状态应在合同中注明,未注明者按切削或磨光状态交货。
2.表中的理论质量是按密度为7.85g/cm3计算的。
(2)允许偏差
银亮钢直径的允许偏差
直径/mm |
允许偏差级别 |
||||
7(h7) |
8(h8) |
9(119) |
10(hl0) |
11(h11) |
|
允许偏差 |
|||||
0.6-1.0 |
-0.008 |
-0.010 |
-0.020 |
-0.028 |
-0.042 |
>1.0-3.0 |
-0.010 |
-0.014 |
-0.024 |
-0.040 |
-0.060 |
>3.0-6.0 |
-0.012 |
-0.018 |
-0.030 |
-0.048 |
-0.075 1 |
>6.0-10 |
-0.015 |
-0.022 |
-0.036 |
-0.058 |
-0.090 |
>l0-18 |
-0.018 |
-0.027 |
-0.043 |
-0.070 |
-0.11 |
>18-30 |
-0.021 |
-0.033 |
-0.052 |
-0.084 |
-0.13 |
>30-50 |
-0.025 |
-0.039 |
-0.062 |
-0.100 |
-0.16 |
>50 |
-0.030 |
-0.046 |
-0.074 |
-0.120 |
-0.19 |
注:银亮钢的直径允许偏差级别应在合同中注明。未注明者一律按ll级交货。