技能培训资料：螺栓拧紧力矩标准.docx

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1、据德国VOITH提供Nm换算所得 螺栓扭矩表 (单位：Nm、Kgm)Nm=0.101972mKgM6M24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强度级屈服强度N/mm螺 栓 公 称 直 径 mm68101214161820拧 紧 力 矩 N.m4.65.66.88.8

2、10.912.924030048064090010804-55-77-99-1213-1616-2110-1212-1517-2322-3030-3638-5120-2525-3233-4545-5965-7875-10036-4545-5558-7878-104110-130131-17555-7070-9093-124124-165180-201209-27890-110110-140145-193193-257280-330326-434120-150150-190199-264264-354380-450448-597170-210210-270282-376376-502540-65

3、0635-847未注明拧紧力矩要求时;参考下表普通螺栓拧紧力矩螺栓强度级屈服强度N/mm螺 栓 公 称 直 径 mm22242730333639拧 紧 力 矩 N.m4.65.66.88.810.912.92403004806409001080230-290290-350384-512512-683740-880864-1152300-377370-450488-650651-868940-11201098-1464450-530550-700714-952952-12691400-16501606-2142540-680680-850969-12931293-17231700-2000218

4、1-2908670-880825-11001319-17591759-23452473-32982968-3958900-11001120-14001694-22592259-30122800-33503812-5082928-12371160-15461559-20792923-38984111-54814933-6577公制螺栓扭紧力矩范围：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mm范围Nmkgfm目标NmkgfmM6M8M10M12M14M16M1

5、8M20M22M24M27M30M33M36M398.8-14.70.9-1.514.7-341.5-3.534-743.5-7.554-1235.5-12.584-1968.5-20147-30915.0-31.5201-42720.5-43.5319-60832.5-62.0471-82948.0-84.5588-103060-105883-147090-1501130-1910115-1951470-2450150-2501860-3040190-3102260-3630230-370121.2252.5545.5.899.01371423023.5315324604765066.581

6、082.511801201520155196020024502502940300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/STB B07833-1998材料 HPb63-3Y2尺寸代号0410M1010614M1410817M181紧固力矩Nm3.14-4.906.86-13.76.86-9.81直通式压注油杯 Q/STB B07020-1998螺纹M6、M81、M101紧固力矩：0.3-0.5Kg.m.安全阀 Q/STB B07029-1998 螺纹R1/8紧固力矩：2.9-4.9Nm.通气塞 Q/STB B07030-1998 螺纹R1/4紧固力矩：2.94-5.

7、88Nm.螺塞 Q/STB B07040-1998公称直径08-10螺距1.25;12-36螺距1.5公称代号0810121416182024303336拧紧力矩 N.m5.9-8.89.8-12.714.7-19.619.6-24.524.5-34.334.3-44.144.1-53.958.8-78.493.1-122.5107.9-147.1127.4-176.5螺栓排气 Q/STB B07060-1998M121.5紧固力矩：58.8-78.4N.m.软管锥形密封Q/STB B07100-1998公称代号03M181.504M221.505M241.506M301.514M421.5拧

8、紧力矩Kg.m5282143183303软管锥形密封 Q/STB B07123-1998接头部螺母拧紧力矩材料Q235、0Cr19Ni9螺纹公称代号/直径mm范围Nmkgfm目标Nmkgfm02/14M1403/18M1804/22M2205/24M2406/30M3010/33M3312/36M3614/42M4219.6-29.42-329.4-68.613-758.8-98.16-10107.9-166.711-17147.1-205.915-21147.1-245.115-25196.2-294.220-30245.2-343.225-3524.52.549578.58.137.314

9、176.518196.120245.225294.230螺母球头式管接头用 Q/STB B07201-1998拧紧力矩：N.m 材料：Q235公称代号05M121.506M141.507M1408M161.510201.512M221.515M271.518M301.522M361.5扭紧力矩9.8-24.59.8-29.414.7-34.319.6-4424.5-5929-6949-12359-13769-151管接头螺母 Q/STBB07202-1998拧紧力矩Q235 / HPb 59-1公称代号05M806M1007M1208M141.510161.512M201.515M221.5拧

10、紧力矩N.m12.7-17.615.7-23.529.4-39.239.2-4958.8-78.468.6-93.1铰接螺栓 Q/STB B07206-1998拧紧力矩Q235公称代号04M805M807M101.2508M1210M141.512M161.515M201.518M241.5拧紧力矩N.m7.8-9.89.8-12.719.6-29.424.5-34.334.3-44.144.1-53.949.0-63.7球头式端直通接头 Q/STBB07211-1998拧紧力矩 Q235 HPb60-1公称代号05M121.506M141.507M141.508M161.510M201.51

11、2M221.515M271.5拧紧力矩N.m5.9-8.89.8-12.714.7-24.529.4-39.353.9-73.578.5-10398-132表中拧紧力矩适用于钢制接头管接头 Q/STB B07212-1998紧固力矩区分代号为5、7的件 材料Q235公称代号05M806M101.2507M121.508M141.510M161.512M201.515M221.5拧紧力矩N.m5.9-8.89.8-12.714.7-24.529.4-39.353.9-73.578.5-10398-132套管螺母 Q/STBB07221-1998拧紧力矩 材料Q235公称代号02M141.503M

12、181.504M221.505M241.506M301.510M331.512M361.514M421.5拧紧力矩N.m4919.678.519.6127.519.6225.629.4264.829.430439.2362.849441.358.8管接头 Q/STBB07230-1998拧入紧固力矩 Q235区分代号02M141.503M181.504M221.505M241.506M301.510M331.512M361.514M421.5拧紧力矩N.m29.4-39.278.4-102.9117.6-161.7357.7-480.2744.8-1009.4弯头带座 Q/STBB07235-

13、1998 、 B07236-1998拧紧力矩公称代号02M141.503M181.504M221.505M2481.506M301.510M331.512M361.514M421.5拧紧力矩N.m29.4-39.278.4-102.9117.6-161.7357.7-480.2744.8-1009.4喉箍 Q/STBB07281-1998拧紧力矩公称代号28、35、22、2541、4854、60、70、80、90、102、115、127、146、158、191、216、242、27016、19拧紧力矩N.m4.50.56.00.56.90.53.40.5U形管夹及座 Q/STB B07283-

14、1998螺母的紧固力矩区分代号 2、3使用管夹 Q/STBB07289-1998有效紧固直径25-232紧固力矩：8.805Nm公称代号10、12M6115M81.2522、27、34、43、49、51、61、70、76M101.2583、89、102、114M121.5拧紧力矩N.m6.9-11.88.8-17.710.8-26.514.7-44.1套管接头 Q/STBB07290-1998公称代号02M141.503M181.504M221.505M241.506M301.5拧紧力矩N.m24.54.94919.678.419.6137.229.4176.429.4套管螺母 Q/STBB07833-1998公称代号04M10106M14108M181拧紧力矩N.m3.14-4.906.86-9.816.86-13.7软管空调器用 Q/STB B09488-1998公称代号049/16-18UNF063/4-16UNF077/8-14UNF拧紧力矩N.m11.8-14.719.6-24.529.4-34.3