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1、螺栓拧紧力矩标准M6M24螺钉或螺母的拧紧力矩操作者参考螺纹公称直径尺寸d/mm施加在扳手上的拧紧力矩M/N.m施力操作要领螺纹公称直径尺寸d/mm施加在扳手上的拧紧力矩M/N.m施力操作要领M6M8M10M123.58.316.428.5只加腕力加腕力、肘力加全身臂力加上半身力M16M20M2471137235加全身力压上全身重量压上全身重量未注明拧紧力矩要求时，参考下表（普通螺栓拧紧力矩）螺栓屈服螺栓公称直径mm强度强度68101214161820级N/mm2拧紧力矩N.m4.62404-510-1220-2536-4555-7090-110120-150170-2105.63005-71
2、2-1525-3245-5570-90110-140150-190210-2706.84807-917-2333-4558-7893-124145-193199-264282-3768.86409-1222-3045-5978-104124-165193-257264-354376-50210.990013-1630-3665-78110-130180-201280-330380-450540-65012.9108016-2138-5175-100131-175209-278326-434448-597635-847未注明拧紧力矩要求时，参考下表（普通螺栓拧紧力矩）螺栓屈服螺栓公称直径mm强度
3、强度22242730333639级2N/mm拧紧力矩N.m4.6240230-290300-377450-530540-680670-880900-1100928-12375.6300290-350370-450550-700680-850825-11001120-14001160-15466.8480384-512488-650714-952969-12931319-17591694-22591559-20798.8640512-683651-868952-12691293-17231759-23452259-30122923-389810.9900740-880940-11201400-1
4、6501700-20002473-32982800-33504111-548112.91080864-11521098-14641606-21422181-29082968-39583812-50824933-6577公制螺栓扭紧力矩Q/STB12.521.5-2000X围：本标准适用于机械性能10.9级，规格从M6-M39的螺栓的扭紧力矩，对于使用尼龙垫圈、密封垫圈、其它非金属垫圈的螺栓，本标准不适用。材料45、35CrMo或同等以上材料螺纹公称直径mmX围Nm(kgfm)目标Nm(kgfm)M6M8M10M12M14M16M18M20M22M24M27M30M33M36M398.8-14.
5、7(0.9-1.5)14.7-34(1.5-3.5)34-74(3.5-7.5)54-123(5.5-12.5)84-196(8.5-20)147-309(15.0-31.5)201-427(20.5-43.5)319-608(32.5-62.0)471-829(48.0-84.5)588-1030(60-105)883-1470(90-150)1130-1910(115-195)1470-2450(150-250)1860-3040(190-310)2260-3630(230-370)12(1.2)25(2.5)54(5.5).89(9.0)137(14)230(23.5)315(32)46
6、0(47)650(66.5)810(82.5)1180(120)1520(155)1960(200)2450(250)2940(300)对于设计图纸有明确力矩要求的，应按图纸要求执行套管螺母紧固力矩Q/STBB07833-1998材料HPb63-3Y2尺寸代号0410M10*10614M14*10817M18*1紧固力矩Nm3.14-4.906.86-13.76.86-9.81直通式压注油杯Q/STBB07020-1998螺纹M6、M8*1、M10*1紧固力矩：0.3-0.5Kg.m。平安阀Q/STBB07029-1998螺纹R1/8紧固力矩：2.9-4.9Nm。通气塞Q/STBB07030-
7、1998螺纹R1/4紧固力矩：2.94-5.88Nm。螺塞Q/STBB07040-1998公称直径08-10螺距1.25,12-36螺距1.5公0810121416182024303336称代号拧5.9-9.8-14.719.6-24.5-34.3-44.1-58.8-93.1-107.9-127.4-紧8.812.7-19.624.534.344.153.978.4122.5147.1176.5力矩N.m螺栓排气Q/STBB07060-1998M12*1.5紧固力矩：58.8-78.4N.m。软管锥形密封Q/STBB07100-1998公称代号03M18*1.504M22*1.505M24*
8、1.506(M30*1.5)14(M42*1.5)拧紧力矩Kg.m5i28i2143183303软管锥形密封Q/STBB07123-1998接头部螺母拧紧力矩材料Q23S0Cr19Ni9螺纹公称代号/直径mmX围Nm(kgfm)目标Nm(kgfm)02/14(M14)03/18(M18)04/22(M22)05/24(M24)06/30(M30)10/33(M33)12/36(M36)14/42(M42)19.6-29.4(2-3)29.4-68.61(3-7)58.8-98.1(6-10)107.9-166.7(11-17)147.1-205.9(15-21)147.1-245.1(15-2
9、5)196.2-294.2(20-30)245.2-343.2(25-35)24.5(2.5)49(5)78.5(8).137.3(14)176.5(18)196.1(20)245.2(25)294.2(30)拧紧力矩：N.m材料：Q235公称代号05(M12*1.5)06(M14*1.5)07(M14)08(M16*1.5)io(20*1.5)12(M22*1.5)15(M27*1.5)18(M30*1.5)22M36*扭紧9.8-9.8-14.7-19.6-24.5-29-49-59-69力矩24.529.434.344596912313715管接头螺母Q/STBB07202-1998拧紧
10、力矩Q235/HPb59-1公称代号05M806M1007M1208M14*1.510(16*1.5)12(M20*1.5)15M22*1.5拧紧力矩12.7-15.7-29.4-39.2-58.8-68.6-N.m17.623.539.24978.493.1较接螺栓Q/STBB07206-1998拧紧力矩Q235公称代号04M805(M8)07(M10*1.25)08(M12)io(M14*1.5)12(M16*1.5)15M20*1.518M24*1.5拧紧力矩N.m7.8-9.89.812.719.629.424.534.334.344.144.153.949.063.7球头式端直通接头
11、Q/STBB07211-1998拧紧力矩Q235HPb60-1公称代号05M12*1.506M14*1.507M14*1.508M16*1.510M20*1.512M22*1.515M27*1.5拧紧力矩5.9-9.8-14.7-29.4-53.9-78.5-98-N.m8.812.724.539.373.5103132表中拧紧力矩适用于钢制接头管接头Q/STBB07212-1998紧固力矩区分代号为5、7的件材料Q235公称代号05M806M10*1.2507M12*1.508M14*1.510M16*1.512M20*1.5M：拧紧力矩N.m5.98.89.812.714.724.529.439.353.973.578.5103S，套管螺母Q/STBB07221-1998拧紧力矩材料Q235公称代号02M14*1.503M18*1.504M22*1.505M24*1.506M30*1.510M33*1.512M36*1.5M拧紧力矩N.m49士78.5士127.5士225.6士264.8士304士362.8士19.619.619.629.429.439.249管接头Q/STBB07230-1998拧入紧固力矩Q235区分代号02M14*1.503M18*1.504M22*1.50
