强度等级
荧光球
4.8 6.88.810.912.9螺栓预紧力对照表最小破断 强度
392 Mpa 588 Mpa 784 Mpa 941Mpa 1176 Mpa
材质一般构造用钢机械构造用碳钢铬铝合金钢镍铬铝合金钢镍铬合金钢螺栓对边mm 6~12扭距值N.m M611
612M813
8~1516~30M1017
保偏光纤耦合器
18~3036~63M1219
30~4770~110M1422
6998137165225M1624
98137206247363M1827
137206284341480M2030
176296402569480M2232
225333539765911M2436
3144706869811176M2741
441637102914721764M3046
588882122519622352M3350
7351127147020602450M3655
9801470176424532940M3960
11761764215629433626M4265
15192352274438264606M4570
农家乐
17642744313644155390M4875
22543430392055926664M5280
27444116470465738330M5685
352851495978843710290M6090
4018597877421079113230M6495
499874488820M68100
5684852610780M72105
6468980012642M76110
安全二维码73501078014710M80115
81431225018130M85120
88201372022050105841617024500M90130
M100145
1372020090M110155
垫块模具1636624990M120175
1989429890
M125180
注:1、上表为德国工业标准;表中扭矩值为螺栓达到屈服极限的70%时所测定 2、表中锁紧力矩为最大值;实际工作时,建议锁紧力矩为表中数据×(70~80)%。
>toubai