表1 熱軋盤條的尺寸規格
直徑/mm | 答應偏差/mm | 圓度/mm | 橫截面積 /mm2 | 理 論質量 /(kg/m) | ||||
***精度 | B級精度 | C級精度 | ***精度 | B級精度 | C級精度 | |||
5.5 | ±O.40 | ±0.30 | ±0.15 | ≤0.50 | ≤0.40 | ≤O.24 | 23.8 | 0.187 |
6.O | 28.3 | 0.222 | ||||||
6.5 | 33.2 | O.260 | ||||||
7.O | 38.5 | 0.302 | ||||||
7.5 | 44.2 | 0 347 | ||||||
8.O | 50.3 | 0.395 | ||||||
8.5 | ±0.40 | ±O.30 | ±0.15 | ≤O.50 | ≤O.40 | ≤0.24 | 56.7 | O.445 |
9.0 | 63.6 | O.499 | ||||||
9.5 | 70. | 0.556 | ||||||
10.0 | 78.5 | 0.617 | ||||||
lO.5 | ±0.45 | 土O.35 | ±O.20 | ≤0.60 | ≤0.48 | ≤0.32 | 86.6 | O.69 |
11.0 | 95.O | O.746 | ||||||
11.5 | 104 | 0.815 | ||||||
12.0 | 113 | O.888 | ||||||
12.5 | 123 | 0.963 | ||||||
13.0 | 133 | 1.04 | ||||||
13.5 | 143 | 1.12 | ||||||
14.0 | 154 | 1.2l | ||||||
14.5 | 165 | 1.30 | ||||||
15.O | ±0.50 | ±O.40 | ±O.25 | ≤O.70 | ≤0.56 | ≤0.40 | 177 | 1.39 |
15.5 | 189 | 1.48 | ||||||
16.O | 201 | 1.58 | ||||||
17.O | 227 | 1.78 | ||||||
18.O | 254 | 2.00 | ||||||
19.0 | 284 | 2.23 | ||||||
20.0 | 314 | 2.47 | ||||||
21.0 | ±O.50 | ±O.40 | ±O.25 | ≤0.70 | ≤O.56 | ≤O.40 | 346 | 2.72 |
22.O | 380 | 2.98 | ||||||
23.O | 415 | 3.26 | ||||||
24.0 | 452 | 3.55 | ||||||
25.O | 491 | 3.85 | ||||||
26.0 | ±0.60 | ±O.45 | 土0.30 | ≤0.80 | ≤O.64 | ≤0.48 | 531 | 4.17 |
27.0 | 573 | 4.49 | ||||||
28.0 | 616 | 4.83 | ||||||
29.O | 661 | 5.18 | ||||||
30.O | 707 | 5.55 |
組 別 | 質量/(kg/盤) |
I | 60~<500 |
Ⅱ | 500~<1000 |
Ⅲ | 1000~<1500 |
Ⅳ | 1500~(2000 |
V | ≥2000 |