取消
螺栓直徑D
|
螺栓有效直徑De
|
螺栓有效面積Ae
|
16
|
14.12
|
156.7
|
18
|
15.65
|
192.5
|
20
|
17.65
|
244.8
|
22
|
19.65
|
303.4
|
24
|
21.19
|
352.5
|
27
|
24.19
|
459.4
|
30
|
26.72
|
560.6
|