热轧方钢的尺寸规格
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
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
0.5077
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
1.54
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
±0.50
±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
±. 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
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
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
±2.5
314.16
400.00
247
314
220
380.13
298
我想了解:《山东Q235方钢特价》的详细信息.请商家尽快与我联系。