| (一）圆钢规格、重量表[冶标（YB）158-63] |
| 直 径(mm) |
截面面积(cm2) |
理论重量 (kg/m) |
|
直径(mm) |
截面面积(cm2) |
理论重量(kg/m) |
| 5 |
0.1963 |
0.154 |
45 |
15.90 |
12.48 |
| 5.6 |
0.2463 |
0.193 |
48 |
18.10 |
14.21 |
| 6 |
0.2827 |
0.222 |
50 |
19.64 |
15.42 |
| 6.3 |
0.3117 |
0.245 |
53 |
22.06 |
17.32 |
| 7 |
0.3848 |
0.302 |
56 |
24.63 |
19.33 |
| 8 |
0.5027 |
0.395 |
60 |
28.27 |
22.19 |
| 9 |
0.6359 |
0.499 |
63 |
31.17 |
24.47 |
| 10 |
0.7854 |
0.617 |
65 |
33.18 |
26.05 |
| 11 |
0.9503 |
0.746 |
70 |
38.48 |
30.21 |
| 12 |
1.131 |
0.888 |
75 |
44.18 |
34.68 |
| 13 |
1.327 |
1.04 |
80 |
50.27 |
39.46 |
| 14 |
1.539 |
1.21 |
85 |
56.75 |
44.55 |
| 15 |
1.767 |
1.39 |
90 |
63.62 |
49.94 |
| 16 |
2.011 |
1.58 |
95 |
70.88 |
55.64 |
| 17 |
2.270 |
1.78 |
100 |
78.54 |
61.65 |
| 18 |
2.545 |
2.00 |
105 |
86.59 |
67.97 |
| 19 |
2.835 |
2.23 |
110 |
95.03 |
74.60 |
| 20 |
3.142 |
2.47 |
120 |
113.10 |
88.78 |
| 21 |
3.464 |
2.72 |
125 |
122.72 |
96.33 |
| 22 |
3.801 |
2.98 |
130 |
132.73 |
104.20 |
| 24 |
4.524 |
3.55 |
140 |
153.72 |
120.84 |
| 25 |
4.909 |
3.85 |
150 |
176.72 |
138.72 |
| 26 |
5.809 |
4.17 |
160 |
201.06 |
157.83 |
| 28 |
6.158 |
4.83 |
170 |
226.98 |
178.18 |
| 30 |
7.069 |
5.55 |
180 |
254.47 |
199.76 |
| 32 |
8.042 |
6.31 |
190 |
283.53 |
222.57 |
| 34 |
9.079 |
7.13 |
200 |
314.16 |
246.62 |
| 36 |
10.18 |
7.99 |
210 |
346.36 |
271.89 |
| 38 |
11.34 |
8.90 |
220 |
380.13 |
298.40 |
| 40 |
12.57 |
9.87 |
240 |
452.39 |
355.13 |
| 42 |
13.85 |
10.87 |
250 |
490.88 |
385.84 |
| 注:圆钢的长度规定如下 |
| A.通常长度（非定尺的） |
| 普通钢： |
| 直径≤25mm ………………………………………………………………………… 长5~10m |
| 直径26~48mm …………………………………………………………………………长4~9m |
| 直径50~110mm ………………………………………………………………………长4~8m |
| 直径≥120mm ….……………………………………………………………………长3~6m |
| 优质钢： |
| 各种直径 ………………………………………………………………………………长2~6m |
| B.定尺长度（合同中确定） |
| C.倍尺长度（合同中确定） |
| 短尺圆钢的交货数量不得超过一批订货总量的10%。普通钢短尺不短于2.5m，优质钢短尺不短于1.5m |
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