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螺栓标准扭矩(拧紧力矩)及预紧力汇总表

2025-06-15 4.4 K

不同强度等级的螺栓标准扭矩(拧紧力矩)及预紧力汇总表,包含M2-M64各类规格。

对于不锈钢螺栓 A4-80,其扭矩与预紧力可参照下表6.9级强度;对于不锈钢螺栓 A2-70A4-70,其扭矩与预紧力约为6.9级强度的80%-90%。

表中符号含义:
S:内六角或外六方两平行边距离 
Fv:螺栓预紧力
Ma:螺栓扭矩,拧紧力矩

(提示:请按住Ctrl键并滚动鼠标中键,调整表格大小以方便查看)

螺栓标准扭矩及预紧力汇总表 
内六角
螺 栓
S(mm) 
外六角
螺 栓
S(mm) 
M(mm)
螺栓直径 
DIN267性能等级(螺栓强度等级) 
3.65.66.98.810.912.9
Fv(N) Ma(Nm) Fv(N) Ma(Nm) Fv(N) Ma(Nm) Fv(N) Ma(Nm) Fv(N) Ma(Nm) Fv(N) Ma(Nm) 
1.54M2 2550.13450.157100.38350.3511700.514150.6
25M2.5 4850.266550.3513100.7115500.8321801.1826201.4
2.255.5M3 6300.3710500.6217000.9922501.331501.938002.2
6M3.5 8500.5714000.9522501.53000242502.951003.4
37M4 11000.8518501.429002.33900357504.467005.1
48、9 M5 18001.730002.848004.564005.994008.71100010
510M6 25502.942004.867507.790001013200151550018
613、14 M8 465077750121240019165002524300362840043
815、17 M10 74001412300231970037263004938700724520084
1019、21 M12 10800241800040288006538400855650012566000145
1222、23 M14 1480039247006439500105525001357750020090500235
1424、26 M16 204005934000985450015572500210107000310125000365
27M18 2480081413001356600021591000300129000430152000500
1730M20 319001155300019085000305117000425166000610195000710
32M22 3990015566500260106000415146000580208000820244000960
1936M24 459002007650033012200053016800073024000010502810001220
41M27 80500295100000490161000780222000110031600015503690001800
2246M30 735003951220006601960001050269000145038400021004490002450
50M33 915005401530009002440001450326000190045800027005500003250
2755M36 10700069017900011502870001850382000245053700034506450004150
60M39 12900090021500015003450002400460000320064600045007750005400
3265M42 148000110024700018503950002950526000395074000055508880006650
70M45 1730001400289000230046200037006160004950867000695010500008350
3675M48 19500017003250002800520000445069300059509740008400115000010100
80M52 2340002150390000360062400057508320007650116900010800140300012900
4185M56 2700002700450000450071900071509590009550134900013400161800016100
90M60 315000335052500055508410008900112100011900157600016700189200020000
4695M64 3570004000595000670095100010700126800014300178400021100214000024100

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