般联接螺栓/螺母的拧紧力矩与预紧力螺纹规格A2-50级A4-50级A2-70级A4-70级（48级）5.6级力矩N.m预紧力N力矩N.m预紧力N力矩Rm预紧力N力矩N.ni预紧力NM6232,5505.05,4703.64000333,645M86.04,66512.89995937,320&56,665M1011.67,40524915,87018411,61516.510,580M1220.210,78043323,1003L516,91028.715,400(Ml4)3L914,78568331,68049623,19045.221,120M1649.320,20510643,29576931,69070.028,865(Ml8)67.724,69014552,91010638,72596435,270螺纹规格A2-50级A4-50级A2-70级A4-70级(4.8级)5-6级力矩N.m预紧力N,力矩Nm预紧力N力矩N.m预紧力N力矩Rm预紧力NM30X334775,545743161,880540118,490492107,920(M33)45390,070971193,010705141,270642128,670(M33X3)47093,4351,007200,225731146,550666133,480M36579105,8751,242226,870902166,055822151,245M36X3619113,2301,328242,640965177,595879161,755(M39)753126,8801,613271,8701,173199,0101,068181,260(M39X3)801134,9251,715289,1251,247211,6201,136192,7501as.1end1AAOera盒1ndorqqh螺纹规格A2-50级A4-50级A2-70级A4-70级(4.8级)5.6级力矩Rm预紧力N力矩Nm预紧力N力矩N.m预紧力N力矩Rm预紧力N(M52X3)1,987250,8854,258537,6103,094393,5002,818358,405M562,250264,3804,822566,5303,505414,6653,192377,685M56X32,500293,7455,358629,4503,894460,7203,546419,63(M56X42,398281,8155,140603,8903,736442,0153,403402,595本表闖螺栓拧紧装配时，螺纹表#右力矩是按重型机帀和螺母(包括虫离头蓉栓1累00.-2007确曼面均涂二硫化僭螺纹规各:为非第一系列或细牙螺纹时(采用插值法求得。440,47(M60X3)3,082339,9806,605728,5254,800533,2404,372485,68(M60X4)2,965327,1406,355701,0104,618513,1004,207467,34(A/TA/12o门颌HAHa“a说明：1)2)