直径d(或边长a)/mm |
不锈钢棒精度组别 |
不锈钢棒截面面积/cm² |
不锈钢棒理论质量(kg/m) | ||||
1组 |
2组 |
3组 | |||||
圆 钢 |
方 钢 |
圆 钢 |
方 钢 | ||||
允许偏差/mm | |||||||
5.5 |
士0.20 |
±0.30 |
士0.40 |
O.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 | |||
*1l |
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 |
1.2l |
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 |
±O.30 |
±O.40 |
±O.50 |
3.464 |
4.41 |
2.72 |
3.46 |
22 |
3.80l |
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 |
5.3l | |||
*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 |
9.6l |
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 |
9.62l |
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 |
士O.70 |
±0.80 |
22.06 |
28.09 |
17.3 |
22.O |
*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 |