
詳細說明
常用規(guī)格尺寸
對邊距離S mm | 允許偏差, mm | 截面面積A, cm2 | 理論重量, kg/m | ||||
1組 | 2組 | 3組 | 六角鋼 | 八角鋼 | 六角鋼 | 八角鋼 | |
8 | ±0.25 | ±0.35 | ±0.40 | 0.544 3 | - | 0.435 | - |
9 | 0.701 5 | - | 0.551 | - | |||
10 | 0.866 | - | 0.680 | - | |||
11 | 1.048 | - | 0.823 | - | |||
12 | 1.247 | - | 0.979 | - | |||
13 | 1.464 | - | 1.15 | - | |||
14 | 1.697 | - | 1.33 | - | |||
15 | 1.949 | - | 1.53 | - | |||
16 | 2.217 | 2.120 | 1.74 | 1.66 | |||
17 | 2.503 | - | 1.96 | - | |||
18 | 2.808 | 2.683 | 2.20 | 2.16 | |||
19 | 3.126 | - | 2.45 | - | |||
20 | 3.464 | 3.312 | 2.72 | 2.60 | |||
21 | ±0.30 | ±0.40 | ±0.50 | 3.819 | - | 3.00 | |
22 | 4.192 | 4.088 | 3.29 | 3.15 | |||
23 | 4.581 | - | 3.60 | - | |||
24 | 4.988 | - | 3.92 | - | |||
25 | 5.413 | 5.175 | 4.25 | 4.06 |