钢结构用高强度大六角头螺栓(GB/T 1228—2006)
钢结构用高强度大六角头螺栓(GB/T 1228—2006)
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钢结构用高强度大六角头螺栓(GB/T 1228—2006) mm |
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标记示例: 螺纹规格d =M20、公称长度 l =100mm、性能等级为10.9S 级的钢结构用高强度大六角头螺栓的标记: 螺栓 GB/T 1288 M20×100 螺纹规格d =M20、公称长度 l =100mm、性能等级为8.8S 级的钢结构用高强度大六角头螺栓的标记: 螺栓 GB/T 1288 M20×100-8.8S |
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GB/T 1228 |
螺纹规格d |
M12 |
M16 |
M20 |
(M22) |
M24 |
(M27) |
M30 |
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dw |
min |
19.2 |
24.9 |
31.4 |
33.3 |
38.0 |
42.8 |
46.5 |
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e |
min |
22.78 |
29.56 |
37.29 |
39.55 |
45.20 |
50.85 |
55.3 |
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k |
公称 |
7.5 |
10 |
12.5 |
14 |
15 |
17 |
18.7 |
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r |
min |
1.0 |
1.0 |
1.5 |
1.5 |
1.5 |
2.0 |
2.0 |
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s |
max |
21 |
27 |
34 |
36 |
41 |
46 |
50 |
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c |
max |
0.8 |
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100mm长的重量≈ /kg |
0.108 |
0.203 |
0.334 |
0.407 |
0.502 |
0.666 |
0.828 |
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l 系列公称 |
35~100(按5进级)、110~200(按10进级)、220、240、260 |
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公称应力截面积 As/mm2 |
84.3 |
157 |
245 |
303 |
353 |
459 |
561 |
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拉力载荷 /N |
等于As×σb |
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GB/T 1231 |
螺纹规格 d |
M12 |
M16 |
M20 |
(M22) |
M24 |
(M27) |
M30 |
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技
术
条
件 |
性能 等级 |
抗拉强度 σb |
屈服强度 σ0.2 |
推荐 材料 |
洛氏硬度 HRC |
通用 规格 |
螺纹公 差带 |
产品 等级 |
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/MPa |
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10.9s |
1040~1240 |
940 |
20MnTiB |
33~39 |
≤M24 |
6g |
C |
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32VB |
≤M30 |
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8.8s |
830~1030 |
660 |
40B |
24~31 |
≤M24 |
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45 |
≤M22 |
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35 |
≤M20 |
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公称长度l的商品规格系列: mm |
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公称 |
35 |
40 |
45 |
50 |
55 |
60 |
65 |
70 |
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75 |
80 |
85 |
90 |
95 |
100 |
110 |
120 |
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130 |
140 |
150 |
160 |
170 |
180 |
190 |
200 |
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220 |
240 |
260 |
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质量 kg |
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螺纹规格d |
M12 |
M16 |
M20 |
(M22) |
M24 |
(M27) |
M30 |
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公称长度l /mm |
每1000件钢制品的质量 ≈ |
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35 |
49.4 |
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40 |
54.2 |
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45 |
57.8 |
113 |
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50 |
62.5 |
121.3 |
207.3 |
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55 |
67.3 |
127.9 |
220.3 |
269.3 |
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60 |
72.1 |
136.2 |
233.3 |
284.9 |
357.2 |
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65 |
76.8 |
144.5 |
243.6 |
300.5 |
375.7 |
503.2 |
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70 |
81.6 |
152.8 |
256.3 |
313.5 |
394.2 |
527.1 |
658.2 |
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75 |
86.3 |
161.2 |
269.5 |
328.9 |
409.1 |
551 |
607.5 |
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80 |
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169.5 |
282.5 |
344.5 |
428.6 |
570.2 |
716.8 |
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85 |
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177.8 |
295.5 |
360.1 |
446.1 |
594.1 |
740.3 |
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90 |
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186.4 |
308.5 |
375.8 |
464.7 |
617.9 |
769.6 |
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95 |
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194.4 |
321.4 |
391.4 |
483.2 |
641.8 |
799 |
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100 |
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202.8 |
334.4 |
407 |
501.7 |
665.7 |
828.3 |
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110 |
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219.4 |
360.4 |
438.3 |
538.8 |
713.5 |
886.9 |
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120 |
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236.1 |
386.3 |
469.6 |
575.9 |
761.3 |
945.6 |
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130 |
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252.7 |
412.3 |
500.8 |
612.9 |
809.1 |
1004.2 |
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140 |
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438.3 |
532.1 |
650 |
856.9 |
1062.8 |
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150 |
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464.2 |
563.4 |
687.1 |
904.7 |
1121.5 |
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160 |
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490.2 |
594.6 |
724.2 |
952.4 |
1180.1 |
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170 |
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625.9 |
761.2 |
1000.2 |
1238.7 |
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180 |
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657.2 |
798.3 |
1048 |
1297.4 |
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190 |
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688.4 |
835.4 |
1095.8 |
1356 |
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200 |
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719.7 |
872.4 |
1143.6 |
1414.7 |
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220 |
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782.2 |
946.6 |
1239.2 |
1531.9 |
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240 |
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1020.7 |
1334.7 |
1649.2 |
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260 |
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1430.3 |
1766.5 |















