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江蘇無縫管熱軋圓鋼和方鋼的尺寸規格
|
直徑d (或邊長a) ／mm |
精度組別 |
|
截面面積／cm² |
理論質量(kg／m) |
| |||
|
1組 |
2組 |
3組 |
||||||
|
圓 鋼 |
方 鋼 |
圓 鋼 |
方 鋼 |
|||||
|
允許偏差／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 |
| |||
| ||