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1、螺纹紧固件扭紧力矩规范 单位(N.m)螺栓规格强度等级(4.8)强度等级(8.8)强度等级(10.9)强度等级(12.9)M20.1-0.150.3-0.4M2.50.2-0.30.6-0.7M30.4-0.61.0-1.3M3.50.6-0.81.5-2.0M40.9-1.12.5-3.0M51.8-2.25.0-6.0M64-6.56-12M88-1516-30M8*19-1618-34M1018-3036-6350-8060-90M10*120-3540-7060-8570-100M1230-4770-11090-135110-150M12*1.535-5575-11595-145120
2、-160M12*1.2538-5880-120100-150130-170M1455-85120-160145-210205-215M14*1.555-85130-180160-230220-270M1685-130180-240220-300310-340M16*1.590-135190-260240-320330-350M18115-165250-300310-400440-460M18*1.5130-190280-320350-430470-530M20165-250350-410440-520620-650M20*1.5185-270390-450490-580640-700M2218
3、0-200480-540690-750835-895M22*1.5250-370510-580660-750860-920M24230-250620-680885-9451070-1140M24*1.5330-490620-700870-9601100-1200M27350-370920-9801310-13701580-1640M30470-5001260-13201790-18502150-2210M33630-6901730-17902440-25002940-3000M36815-8652230-22903150-32103780-3840M391070-11302890-295040
4、80-41404900-4960M421320-13803580-36405050-51006030-6090M451670-17304510-45706340-64007600-7660M482000-20605410-54707590-76509090-9150M522610-26707010-70709850-991011770-11830M563240-33008680-875012270-1233014770-14830M604050-141010870-1093015270-1533018270-18330M644900-496013080-1314018470-1853022270-22330M685940-600015970-1603022470-2253026970-27030M727120-718019070-1913026870-2693032270-32330M768510-857022670-2273031870-3193038270-38330M809970-1003026570-2663037470-3753044970-55030