螺栓螺母扭矩对照表
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1 4.86.88.810.912.9392Mpa588Mpa784Mpa941Mpa1176MpaM1422126998137165225M16241498137206247353M182714137206284341480M203017176296402569480M223217225333539765911M2436193144706869811176M274119441637102914721764M304622588882122519622350M3350247351127147020602450M3655279801470176424532940M396027/3011761764215629433626M42653215192352274438264606M4570一17642744313644155390M48753622543430392055926664M52803627444116470465738330M568541352851495978843710290M6090464018597877421079113230M649546499874488820M68100505684852810780M72105556468980012640M761106073501078014700M801156581431225018130M851207088201372022050M9013070/75105841617024500M100145851372020090M110155一1636624990M120175一1989429890扭矩Nm最小破断强度螺栓等级螺栓规格螺母对边(mm)内六角(mm) 螺栓螺母扭矩对照表 备注: 1、 以上数据仅供参考,当处理具体连接时,请按照工艺规定,或向设备制造商确认. 2、 以上数据是德国工业标准,表中扭矩值为螺栓达到屈服极限的70%时测得. 3、 当锁紧螺栓或螺母时,建议锁紧扭矩为表中数值的70%-80%. 4、 按照经验,拆卸扭矩大概为锁紧扭矩的1.5倍左右,具体视实际情况. 常见扭矩单位换算 1Nm=0.7376Ft.lbs Ft.lbs=1.3558 Nm 1Nm=8.8507 Ft..in Ft..in =0.1130 Nm 1Nm=0.1019Kgf.m Kgf.m= 9.8068Nm 1Nm=10.1970 Kgf.cm Kgf.cm=0.0981 Nm