产品名称:ASTM A193 B8美标六角头螺栓(美标B8M美制大六角螺栓)
执行标准:美标ASME B 18.2.1 - 2012
产品概述:A193B8,美标六角头螺栓,A193 B8M大六角螺栓都属于高温或高压耐腐蚀及其他特殊用途用奥氏体不锈钢紧固件,等级分为CL1和CL2两个等级,CL2属于高强度等级,标准规定了相应的化学成分和机械性能要求,小规格螺栓机械性能需要达到B8CL2在860MPa以上,屈服强度在690MPa,硬度在HRC35以下因为材料与性能的特殊性,我们通常会用在中压力容器、石油管道、阀门管件、石油设备等高温高压耐腐蚀的环境中。
产品材料:B8、B8M
产品表面:发黑、蓝白锌、彩锌、热镀锌、热渗锌、久美特、达克罗、特氟龙,机械镀锌
产品直径:1/4-20牙、5/16-18牙、3/8-16牙、7/16-14牙、1/2-13牙、9/16-12牙、5/8-11牙、3/4-10牙、7/8-9牙、1""-8牙、1-1/8-7牙、1-1/4-7牙、1-1/2-6牙、1-5/8-6牙、1-3/4-6牙、2""-4.5牙、2-1/2-4牙、3""-4牙、3-1/2-4牙、4""-4牙
产品长度:5/16英寸-20英寸

尺寸单位: inch
螺纹尺寸 d |
|
ds
|
max |
min |
s
|
max |
min |
e
|
max |
min |
k
|
max |
min |
kw
|
min |
b
|
参考 |
L≤6 |
L>6 |
|
0.375 |
0.500 |
0.625 |
0.75 |
0.875 |
1 |
1.125 |
1.25 |
1.375 |
1.5 |
1.625 |
1.75 |
1.875 |
2 |
2.25 |
0.36 |
0.482 |
0.605 |
0.729 |
0.852 |
0.976 |
1.098 |
1.223 |
1.345 |
1.47 |
1.591 |
1.716 |
1.839 |
1.964 |
2.214 |
0.688 |
0.875 |
1.062 |
1.25 |
1.438 |
1.625 |
1.812 |
2 |
2.188 |
2.375 |
2.562 |
2.75 |
2.938 |
3.125 |
3.5 |
0.669 |
0.850 |
1.031 |
1.212 |
1.394 |
1.575 |
1.756 |
1.938 |
2.119 |
2.3 |
2.481 |
2.662 |
2.844 |
3.025 |
3.388 |
0.794 |
1.01 |
1.227 |
1.443 |
1.66 |
1.876 |
2.093 |
2.309 |
2.526 |
2.742 |
2.959 |
3.175 |
3.392 |
3.608 |
4.041 |
0.763 |
0.969 |
1.175 |
1.383 |
1.589 |
1.796 |
2.002 |
2.209 |
2.416 |
2.622 |
2.829 |
3.035 |
3.242 |
3.449 |
3.862 |
0.243 |
0.323 |
0.403 |
0.483 |
0.563 |
0.627 |
0.718 |
0.813 |
0.878 |
0.974 |
1.038 |
1.134 |
1.198 |
1.263 |
1.423 |
0.226 |
0.302 |
0.378 |
0.455 |
0.531 |
0.591 |
0.658 |
0.749 |
0.81 |
0.902 |
0.962 |
1.054 |
1.114 |
1.175 |
1.327 |
0.160 |
0.215 |
0.269 |
0.324 |
0.378 |
0.416 |
0.461 |
0.530 |
0.569 |
0.640 |
0.694 |
0.748 |
0.802 |
0.825 |
0.933 |
1 |
1.25 |
1.5 |
1.75 |
2 |
2.25 |
2.5 |
2.75 |
3 |
3.25 |
3.5 |
3.75 |
4 |
4.25 |
- |
1.25 |
1.5 |
1.75 |
2 |
2.25 |
2.5 |
2.75 |
3 |
3.25 |
3.5 |
3.75 |
4 |
4.25 |
4.5 |
5 |
|
|
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
|
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
螺纹尺寸 d |
|
ds
|
max |
min |
s
|
max |
min |
e
|
max |
min |
k
|
max |
min |
kw
|
min |
b
|
参考 |
L≤6 |
L>6 |
|
2.5 |
2.75 |
3 |
3.25 |
3.5 |
3.75 |
4 |
4.25 |
4.5 |
4.75 |
5 |
5.25 |
5.5 |
5.75 |
6 |
2.461 |
2.711 |
2.961 |
3.21 |
3.461 |
3.7109 |
3.9609 |
4.2228 |
4.4727 |
4.7227 |
4.9726 |
5.2226 |
5.4726 |
5.7225 |
5.9725 |
3.875 |
4.25 |
4.625 |
5 |
5.375 |
5.75 |
6.125 |
6.5 |
6.875 |
7.25 |
7.625 |
8 |
8.375 |
8.75 |
9.125 |
3.75 |
4.112 |
4.475 |
4.838 |
5.2 |
5.562 |
5.925 |
6.288 |
6.65 |
7.012 |
7.375 |
7.738 |
8.1 |
8.462 |
8.825 |
4.474 |
4.907 |
5.34 |
5.774 |
6.207 |
6.64 |
7.073 |
7.506 |
7.939 |
8.372 |
8.805 |
9.238 |
9.671 |
10.104 |
10.537 |
4.275 |
4.688 |
5.102 |
5.515 |
5.928 |
6.341 |
6.755 |
7.168 |
7.581 |
7.994 |
8.408 |
8.821 |
9.234 |
9.647 |
10.060 |
1.583 |
1.744 |
1.935 |
2.126 |
2.256 |
2.447 |
2.576 |
2.768 |
2.896 |
3.088 |
3.217 |
3.408 |
3.538 |
3.729 |
3.858 |
1.479 |
1.632 |
1.815 |
1.998 |
2.12 |
2.303 |
2.424 |
2.608 |
2.728 |
2.912 |
3.033 |
3.216 |
3.338 |
3.521 |
3.642 |
1.042 |
1.151 |
1.290 |
1.399 |
1.484 |
1.612 |
1.697 |
1.826 |
1.910 |
2.038 |
2.123 |
2.251 |
2.337 |
2.465 |
2.549 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
5.5 |
6 |
6.5 |
7 |
7.5 |
8 |
8.5 |
9 |
9.5 |
10 |
10.5 |
11 |
11.5 |
12 |
12.5 |
|
|
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
|
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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①,垫圈面的厚度c对于3/4英寸及以下的螺丝不应小于0.015英寸,也不应大于0.025英寸,对于大于3/4英寸的螺丝不应小于0.015英寸,也不应大于0.035英寸。垫圈面直径dw应等于较大宽度s,公差为-10%。
②,螺纹公称长度b为参考尺寸,仅用于计算。当螺栓公称长度 L ≤ 6 in 时,b=2d+0.25;当L>6in时,b=2d+0.5 。
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