公称直径 | 内径 | 横肋高h | 纵肋高h | 横肋宽b | 纵肋宽a | 间距L | 横肋末端最大间隙(公称周长的10%弦长) | 理论重量·Kg/m | ||||
公称尺寸 | 允许偏差 | 公称尺寸 | 允许偏差 | 公称尺寸 | 允许偏差 | 公称尺寸 | 允许偏差 | |||||
6 | 5.8 | ±0.3 | 0.6 | +0.3 -0.2 | 0.6 | ±0.3 | 0.4 | 1.0 | 4.0 | ±0.5 | 1.8 | 0.222 |
8 | 7.7 | ±0.4 | 0.8 | +0.4 -0.2 | 0.8 | ±0.5 | 0.5 | 1.5 | 5.5 | 2.5 | 0.395 | |
10 | 9.6 | 1.0 | +0.4 -0.3 | 1.0 | 0.6 | 1.5 | 7.0 | 3.1 | 0.617 | |||
12 | 11.5 | 1.2 | ±0.4 | 1.2 | ±0.8 | 0.7 | 1.5 | 8.0 | 3.7 | 0.888 | ||
14 | 13.4 | 1.4 | 1.4 | 0.8 | 1.8 | 9.0 | 4.3 | 1.21 | ||||
16 | 15.4 | 1.5 | 1.5 | 0.9 | 1.8 | 10.0 | 5.0 | 1.58 | ||||
18 | 17.2 | 1.6 | +0.3 -0.4 | 1.6 | 1.0 | 2.0 | 10.0 | 5.6 | 2.0 | |||
20 | 19.3 | ±0.5 | 1.7 | ±0.5 | 1.7 | 1.2 | 2.0 | 10.0 | ±0.8 | 6.2 | 2.47 | |
22 | 21.3 | 1.9 | ±0.6 | 1.9 | ±0.9 | 1.3 | 2.5 | 10.5 | 6.8 | 2.95 | ||
25 | 24.2 | 2.1 | 2.1 | 1.5 | 2.5 | 12.5 | 7.7 | 3.85 | ||||
28 | 27.2 | ±0.6 | 2.2 | 2.2 | 1.7 | 3.0 | 12.5 | ±1.0 | 8.6 | 4.83 | ||
32 | 31.0 | 2.4 | +0.8 -0.7 | 2.4 | ±1.1 | 1.9 | 3.0 | 14.0 | 9.9 | 6.31 | ||
36 | 35.0 | 2.6 | +1.0 -0.8 | 2.6 | 2.1 | 3.5 | 15.0 | 11.1 | 7.99 | |||
40 | 38.7 | ±0.7 | 2.9 | ±1.1 | 2.9 | 2.2 | 3.5 | 15.0 | 12.4 | 9.87 | ||
50 | 48.5 | ±0.8 | 3.2 | ±1.2 | 3.2 | ±1.2 | 2.5 | 4.0 | 16.0 | 15.5 | 15.42 | |
注:1、纵肋斜角θ为0°~30°; 2、尺寸a、b为参考数据。 3、密度为7.85 g/cm3. |