六角法兰面螺栓 细牙 小系列(GB/T 16674.2—2016)
六角法兰面螺栓 细牙 小系列(GB/T 16674.2—2016)
六角法兰面螺栓 细牙 小系列(GB/T 16674.2—2016) mm |
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标记示例: 螺纹规格d =M12×1.25、细牙螺纹、公称长度l=80mm、由制造者任选F型或U型、性能等级为8.8级、表面氧化、产品等级为A级的小六角系列六角法兰面螺栓的标记: 螺栓 GB/T 16674.2 M12×1.25×80 螺纹规格d =M12×1.25、细牙螺纹、公称长度l=80mm、F型、性能等级为8.8级、表面氧化、产品等级为A级的小六角系列六角法兰面螺栓的标记: 螺栓 GB/T 16674.2 M12×1.25×80-F 如在特殊情况下,要求细杆型式时,则应在标记中增加“R”: 螺栓 GB/T 16674.2 M12×1.25×80-R |
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螺纹规格 |
M8×1 |
M10×1 M10×1.25 |
M12×1.25 M12×1.5 |
(M14×1.5) |
M16×1.5 |
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a |
max |
3 |
3 |
4.5 |
4.5 |
4.5 |
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min |
1 |
1 |
1.5 |
1.5 |
1.8 |
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b参考 |
l公称≤125mm |
22 |
26 |
30 |
34 |
38 |
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125mm<l公称≤200mm |
28 |
32 |
36 |
40 |
44 |
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c min |
1.2 |
1.5 |
1.8 |
2.1 |
2.4 |
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da max |
F型 |
9.2 |
11.2 |
13.7 |
15.7 |
17.7 |
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U型 |
10 |
12.5 |
15.2 |
17.7 |
20.5 |
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dc max |
17 |
20.8 |
24.7 |
28.6 |
32.8 |
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ds |
max |
8.00 |
10.00 |
12.00 |
14.00 |
16.00 |
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min |
7.78 |
9.78 |
11.73 |
13.73 |
15.73 |
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dv |
max |
8.8 |
10.8 |
12.8 |
14.8 |
17.2 |
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dw |
min |
14.9 |
18.7 |
22.5 |
26.4 |
30.6 |
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e |
min |
10.95 |
14.26 |
16.50 |
19.86 |
23.15 |
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k |
max |
8.5 |
9.7 |
12.1 |
12.9 |
15.2 |
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kw |
min |
3.8 |
4.3 |
5.4 |
5.6 |
6.8 |
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lf |
max |
2.1 |
2.1 |
2.1 |
2.1 |
3.2 |
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r1 |
min |
0.4 |
0.4 |
0.6 |
0.6 |
0.6 |
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r2e |
max |
0.5 |
0.6 |
0.7 |
0.9 |
1 |
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r3 |
max |
0.36 |
0.45 |
0.54 |
0.63 |
0.72 |
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min |
0.16 |
0.20 |
0.24 |
0.28 |
0.32 |
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r4参考 |
5.7 |
5.7 |
5.7 |
5.7 |
8.8 |
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s |
max |
10.00 |
13.00 |
15.00 |
18.00 |
21.00 |
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min |
9.78 |
12.73 |
14.73 |
17.73 |
20.67 |
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v |
max |
0.25 |
0.30 |
0.35 |
0.45 |
0.50 |
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min |
0.10 |
0.15 |
0.15 |
0.20 |
0.25 |
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l |
35~80 |
40~100 |
45~120 |
50~140 |
55~160 |
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全螺纹长 l |
35 |
40 |
45 |
50 |
55 |
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螺栓公称范围 |
16,20,25,30,35,40,45,50,55,60,65,70,80,90,100,110,120,130,140,150,160 |
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技术条件和引用标准 |
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材 料 |
钢 |
不锈钢 |
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通过技术条件 |
GB/T 16938 |
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螺 纹 |
公 差 |
6 g |
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标 准 |
GB/T 196、GB/T 197 |
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机械性能 |
等 级 |
8.8、9.8、10.9、12.9 |
A2-70 |
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标 准 |
GB/T 3098.1 |
GB/T 3098.6 |
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公 差 |
产品等级 |
A |
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标 准 |
GB/T 3103.1 |
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表面处理 |
氧化(热的或化学的); 电镀层技术要求按GB/T 5267.1 |
简单处理 |
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如需要其他的电镀层或表面处理,应由供需双方协议 |
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表面缺陷 |
GB/T 5779.3 |
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验收及包装 |
GB/T 90.1、GB/T 90.2 |
质量 kg |
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螺纹规格 |
M8×1 |
M10×1 |
M10×1.25 |
M12×1.25 |
M12×1.5 |
M14×1.5 |
M16×1.5 |
公称长度/mm |
每1000件钢制品的质量 ≈ |
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35 |
16.64 |
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40 |
18.51 |
30.82 |
30.20 |
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45 |
20.37 |
33.77 |
33.15 |
50.29 |
49.40 |
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50 |
22.24 |
36.72 |
36.09 |
54.53 |
53.64 |
76.05 |
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55 |
24.10 |
39.67 |
39.04 |
58.77 |
57.88 |
81.86 |
114.1 |
60 |
25.97 |
42.62 |
41.99 |
63.01 |
62.12 |
87.67 |
121.8 |
65 |
27.84 |
45.57 |
44.94 |
67.25 |
66.37 |
93.48 |
129.4 |
70 |
29.70 |
48.52 |
47.89 |
71.49 |
70.61 |
99.29 |
137.0 |
80 |
33.43 |
54.41 |
53.79 |
79.98 |
79.09 |
110.9 |
152.3 |
90 |
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60.31 |
59.68 |
88.46 |
87.57 |
122.5 |
167.5 |
100 |
|
66.21 |
65.58 |
96.94 |
96.06 |
134.2 |
182.8 |
110 |
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|
105.4 |
104.5 |
145.8 |
198.0 |
120 |
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|
113.9 |
113.0 |
157.4 |
213.3 |
130 |
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168.3 |
227.7 |
140 |
|
|
|
|
|
179.9 |
242.9 |
150 |
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258.2 |
160 |
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273.4 |
螺纹规格 |
M8×1 |
M10×1 |
M10×1.25 |
M12×1.25 |
M12×1.5 |
M14×1.5 |
M16×1.5 |
公称长度/mm |
每1000件钢制品的质量 ≈ |
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35 |
16.70 |
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|
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40 |
18.34 |
31.03 |
30.46 |
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|
|
45 |
19.97 |
33.69 |
33.03 |
50.78 |
50.02 |
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50 |
21.61 |
36.35 |
35.60 |
54.59 |
53.72 |
77.07 |
|
55 |
23.25 |
39.01 |
38.16 |
58.40 |
57.42 |
82.24 |
115.5 |
60 |
24.89 |
41.67 |
40.73 |
62.21 |
61.12 |
87.41 |
122.3 |
65 |
26.53 |
44.33 |
43.30 |
66.03 |
64.81 |
92.59 |
129.2 |
70 |
28.17 |
46.99 |
45.87 |
69.84 |
68.51 |
97.76 |
136.1 |
80 |
31.44 |
52.31 |
51.00 |
77.46 |
75.91 |
108.1 |
149.9 |
90 |
|
57.63 |
56.13 |
85.09 |
83.30 |
118.4 |
163.7 |
100 |
|
62.95 |
61.27 |
92.71 |
90.70 |
128.8 |
177.5 |
110 |
|
|
|
100.3 |
98.09 |
139.1 |
191.3 |
120 |
|
|
|
108.0 |
105.5 |
149.5 |
205.0 |
130 |
|
|
|
|
|
159.8 |
218.8 |
140 |
|
|
|
|
|
170.2 |
232.6 |
150 |
|
|
|
|
|
|
246.4 |
160 |
|
|
|
|
|
|
260.2 |