热轧圆钢和方钢尺寸规格 ( 摘自 GB / T702 — 1986 )

|
d , a / mm |
理论质量 / kg · m - 1 |
d , a / mm |
理论质量 / kg · m - 1 |
d , a / mm |
理论质量 / kg · m - 1 |
|||
|
圆 钢 |
方 钢 |
圆 钢 |
方 钢 |
圆 钢 |
方 钢 |
|||
|
5 . 5 |
0 . 186 |
0 . 237 |
27 |
4 . 49 |
5 . 72 |
68 |
28 . 5 |
36 . 3 |
|
6 |
0 . 222 |
0 . 283 |
28 |
4 . 83 |
6 . 15 |
70 |
30 . 2 |
38 . 5 |
|
6 . 5 |
0 . 260 |
0 . 332 |
29 |
5 . 18 |
6 . 60 |
75 |
34 . 7 |
44 . 2 |
|
7 |
0 . 302 |
0 . 385 |
30 |
5 . 55 |
7 . 06 |
80 |
39 . 5 |
50 . 2 |
|
8 |
0 . 395 |
0 . 502 |
31 |
5 . 92 |
7 . 54 |
85 |
44 . 5 |
56 . 7 |
|
9 |
0 . 499 |
0 . 636 |
32 |
6 . 31 |
8 . 04 |
90 |
49 . 9 |
63 . 6 |
|
10 |
0 . 617 |
0 . 785 |
33 |
6 . 71 |
8 . 55 |
95 |
55 . 6 |
70 . 8 |
|
11 |
0 . 746 |
0 . 950 |
34 |
7 . 13 |
9 . 07 |
100 |
61 . 7 |
78 . 5 |
|
12 |
0 . 888 |
1 . 13 |
35 |
7 . 55 |
9 . 62 |
105 |
68 . 0 |
86 . 5 |
|
13 |
1 . 04 |
1 . 33 |
36 |
7 . 99 |
10 . 2 |
110 |
74 . 6 |
95 . 0 |
|
14 |
1 . 21 |
1 . 54 |
38 |
8 . 90 |
11 . 3 |
115 |
81 . 5 |
104 |
|
15 |
1 . 39 |
1 . 77 |
40 |
9 . 86 |
12 . 6 |
120 |
88 . 8 |
113 |
|
16 |
1 . 58 |
2 . 01 |
42 |
10 . 9 |
13 . 8 |
125 |
96 . 3 |
123 |
|
17 |
1 . 78 |
2 . 27 |
45 |
12 . 5 |
15 . 9 |
130 |
104 |
133 |
|
18 |
2 . 00 |
2 . 54 |
48 |
14 . 2 |
18 . 1 |
140 |
121 |
154 |
|
19 |
2 . 23 |
2 . 83 |
50 |
15 . 4 |
19 . 6 |
150 |
139 |
177 |
|
20 |
2 . 47 |
3 . 14 |
53 |
17 . 3 |
22 . 0 |
160 |
158 |
201 |
|
21 |
2 . 72 |
3 . 46 |
55 |
18 . 6 |
23 . 7 |
170 |
178 |
227 |
|
22 |
2 . 98 |
3 . 80 |
56 |
19 . 3 |
24 . 6 |
180 |
200 |
254 |
|
23 |
3 . 26 |
4 . 15 |
58 |
20 . 7 |
26 . 4 |
190 |
223 |
283 |
|
24 |
3 . 55 |
4 . 52 |
60 |
22 . 2 |
28 . 3 |
200 |
247 |
314 |
|
25 |
3 . 85 |
4 . 91 |
63 |
24 . 5 |
31 . 2 |
220 |
298 |
— |
|
26 |
4 . 17 |
5 . 31 |
65 |
26 . 0 |
33 . 2 |
250 |
385 |
— |
