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钢网架螺栓球节点用高强度螺栓(GB/T16939-1997)
螺纹规格 |
性能等级 |
?b |
?0.2 |
δ5 |
Ψ |
| MPa |
MPa |
% |
% |
≤ M36 |
10.9S |
1040-1240 |
≥ 940 |
≥ 10 |
≥ 42 |
≥ M39 |
9.8S |
900-1100 |
≥ 720 |
≥ 10 |
≥ 42 |
d |
M12 |
M14 |
M16 |
M20 |
M22 |
M24 |
M27 |
M30 |
M33 |
M36 |
M39 |
M42 |
M45 |
M48 |
M52 |
M56×4 |
M60×4 |
M64×4 |
dk |
18 |
21 |
24 |
30 |
34 |
36 |
41 |
46 |
50 |
55 |
60 |
65 |
70 |
75 |
80 |
90 |
95 |
100 |
k |
6.4 |
7.5 |
10 |
12.5 |
14 |
15 |
17 |
18.7 |
21 |
22.5 |
25 |
26 |
28 |
30 |
33 |
35 |
38 |
40 |
L |
50 |
54 |
62 |
73 |
75 |
82 |
90 |
98 |
101 |
125 |
128 |
136 |
145 |
148 |
162 |
172 |
196 |
205 |
n |
3 |
3 |
3 |
5 |
5 |
5 |
6 |
6 |
6 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
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