GB578286六角头螺栓—A和B级

1、中 华 人 民 共 和 国 国 家 标 准GB 5782-86六角头螺栓A和B级代替GB 30-76 GB 21-76国家标准局1986-01-17发布1986-10-01实施1 引言 本标准规定了螺纹规格为M3M64、A和B级的六角头螺栓。A级用于d24和l10d或l150mm（按较小值）的螺栓；B级用于d24或l10d或l150mm（按较小值）的螺栓。 本标准等效采用国际标准ISO 4014-1979六角头螺栓产品等级A和B*。2 引用标准GB 19681普通螺纹 基本尺寸（直径1600mm）；GB 19781普通螺纹 公差与配合（直径1355mm）；GB 285紧固件外螺纹零件的末端；G

2、B 3098.182紧固件机械性能 螺栓、螺钉和螺柱；GB 3098.686紧固件机械性能不锈钢螺栓、螺钉、螺柱和螺母；GB 3103.182紧固件公差 螺栓、螺钉和螺母；GB 526785螺纹紧固件电镀层；GB 5779.186紧固件表面缺陷螺栓、螺钉和螺柱一般要求；GB 9085紧固件验收检查、标志与包装。3 尺寸1.1 商品规格按图及表1规定。1.2 通用规格按图及表2规定。1.3 尽量不采用的规格按图及表3规定。 *参照ISO 40141979的修订文件，增加了M39M64的规格。末端按GB 285规定；lgmax = l公称-b参考；lsmin = lgmax-5P；P螺距。 表1

3、mm螺纹规格 dM3M4M5M6M8M10M12M16b 参考l1251214161822263038125l200-28323644l200-57 cmin0.150.150.150.150.150.150.150.2max0.40.40.50.50.60.60.60.8 da max3.64.75.76.89.211.213.717.7dsmax34568101216min产品等级A2.863.824.825.827.789.7811.7315.73B-4.705.707.649.6411.5715.57dWw min产品等级A4.65.96.98.911.614.616.622.5B-6

4、.78.711.414.416.422e min产品等级A6.077.668.7911.0514.3817.7720.0326.75B-8.6310.8914.2017.5919.8526.17f max11.21.21.42233k公称22.83.545.36.47.510产品等级Amin1.882.683.353.855.156.227.329.82max2.122.923.654.155.456.587.6810.81Bmin-3.263.765.066.117.219.71max-3.744.245.546.697.7910.29k min产品等级A1.31.92.32.73.64.4

5、5.16.9B-2.32.63.54.356.8r min0.10.20.20.250.40.40.60.6s max = 公称5.5781013161824min产品等级A5.326.787.789.7812.7315.7317.7323.67B-7.649.6412.5715.5717.5723.16l无螺纹杆部长度ls和夹紧长度lg公称产品等级ABlsminlgmaxlsminlgmaxlsminlgmaxlsminlgmaxlsminlgmaxlsminlgmaxlsminlgmaxlsminlgmaxminmaxminmax2019.620.4-5.582524.625.4-10.5

6、137.511593029.630.4-15.51812.51610147123534.535.533.736.317.521151912176.75134039.540.538.741.322.5262024172211.75186.5144544.545.543.746.32529222716.752311.5196.25155049.550.548.761.33034273221.752816.52411.25205554.455.653.556.5323726.753321.52916.25257176059.460.658.561.5374231.753826.53421.25301

7、2226564.465.663.566.536.754331.53926.253517277069.470.668.571.541.754836.54431.254022328079.480.678.581.551.755846.55441.255032429089.390.788.391.856.56451.2560425210099.3100.798.3101.866.57461.25705262110109.3110.7108.3111.871.25806272120119.3120.7118.3121.881.25907282130129.2130.81281327686140139.

8、2140.81381428696150149.2150.814815296106160-158162106116注: 折线之间为商品规格范围。 续表1 mm螺纹规格 dM20M24M30M36b参考l12546546678125l20052607284l20065738597 cmin0.20.20.20.2max0.80.80.80.8da max22.426.433.439.4ds max20243036min产品等级A19.6723.67-B19.4823.4829.4835.38dWw min产品等级A28.233.6-B27.733.242.751.1e min产品等级A33.533

9、9.98-B32.9539.5550.8560.79 f max4466k公称12.51518.722.5产品等级Amin12.2814.78-max12.7215.22-Bmin12.1514.6518.2822.08max12.8515.3519.1222.92k min产品等级A8.610.3-B8.510.212.815.5r min0.80.811s max = 公称30364655 min产品等级A29.6735.38-B29.16354553.8L 无螺纹杆部长度ls和夹紧长度lg公称产 品 等 级ABlsminlgmaxlsminlgmaxlsminlgmaxlsminlgma

10、xminmaxminmax6059.460.658.561.5(65)64.465.663.566.56.5197069.470.668.571.511.5248079.480.678.581.521.53411269089.390.788.391.7531.54421366.52410099.3100.798.3101.7541.554314616.534110109.3110.7108.3111.7551.564415626.5441232120119.3120.7118.3121.7561.574516636.5542242130129.2130.812813265.578557040.

11、5582646140139.2140.813814275.588658050.5683656150149.2150.814815285.598759060.5784666160-15816295.51088510070.5885676180-178182115.512810512090.51087696200-197.7202.3135.5148125140110.512896116220-217.7222.3132147117.5135103123240-237.7242.3152167137.5155123143260-257.4262.6157.5175143163280-277.428

12、2.6177.5195163183300-297.4302.6197.5215183203320-317.2322.85203223340-337.2342.85223243360-357.2362.85243263380-377.2382.85400-397.2402.75 表2 mm螺纹规格 dM42M48M56M64b参考l125-125l20096108124140l200109121137153 cmin1111max0.30.30.30.3da max45.652.66371ds max42485664min产品等级A-B41.3847.3855.2663.26dWw min产品等

13、级A-B60.669.478.788.2e min产品等级A-B72.0282.693.56104.86f max8101213k公称26303540产品等级Amin-max-Bmin25.5829.5834.539.5max26.4230.4235.540.5k min产品等级A-B17.920.924.227.6 r min1.21.622s max 65758595 min产品等级A-B63.873.182.892.8L 无螺纹杆部长度ls和夹紧长度lg公称产 品 等 级ABlsminlgmaxlsminlgmaxlsminlgmaxlsminlgmaxminmaxminmax6059.

14、460.658.561.56564.465.663.566.57069.470.668.571.58079.480.678.581.59089.390.788.391.710099.3100.798.3101.7110109.3110.7108.3111.7120119.3120.7118.3121.7130129.2130.812813211.534140139.2140.813814221.544732150149.2150.814815231.5541742160-15816241.56427528.536180-17818261.584477228.556200-197.7202.38

15、1.5104679248.5763060220-217.7222.388.5111749955.5833767240-237.7242.3108.51319411975.51035787260-257.4262.6128.515111413995.512377107280-277.4282.6148.5171134159115.514397127300-297.4302.6168.5191154179135.5163117147320-317.2322.8188.5211174199155.5183137167340-337.2342.8208.5231194219175.5203157187

16、360-357.2362.8228.5251214239195.5223177207380-377.2382.8248.5271234259215.5243197227400-397.2402.8268.5291254279235.5263217247 表3 mm螺 纹 规 格 dM14M18M22M27M33M39b参考l125344250607284125l200404856667890 l2005361697991103 c max0.60.80.80.80.81 min0.150.20.20.20.20.3da max15.720.224.430.436.442.4ds max1418

17、22273339 min产品等级A13.7317.7321.67-B13.5717.5721.4826.4832.3838.38dWw min产品等级A19.625.331.7-B19.224.831.43846.655.9e min产品等级A23.3530.1437.72-B22.7829.5637.2945.255.3766.44 f max334666k公称8.811.514172125产品等级Amin8.6211.2813.78-max8.9811.7214.22-Bmin8.5111.1513.6516.6520.5824.58max9.0911.8514.3517.3521.422

18、5.42k min产品等级A67.99.6-B67.89.511.714.417.2 r min0.60.61111s max 212734415060 min产品等级A20.6726.6733.38-B20.1626.1633404958.8L 无螺纹杆部长度ls和夹紧长度lg公称产 品 等 级ABlsminlgmaxLsminlgmaxlsminlgmaxlsminlgmaxlsminlgmaxlsminlgmaxminmaxminmax5049.550.6-616(55)54.555.6-11216059.560.6-16265.518(65)64.465.6-213110.523706

19、9.470.668.571.5263615.5287.5208079.480.678.581.5364625.53817.5309089.390.788.391.7465635.54827.540153010099.3100.798.3101.7566645.55837.550254010.528110109.3110.7108.3111.7667655.56847.560355020.538120119.3120.7118.3127.7768665.57857.570456030.5481636130129.2130.8128132809069.58267.574496434.5522040

20、140139.2140.81381429010079.59271.584597444.5623050150149.2150.814815289.510281.594698454.5724060160159.2160.815816299.511291.5104799464.5825070180179.2180.8178182119.5132111.51249911484.51027090200199.1200.9197.7202.3131.5144119134104.512290110220219.1220.9217.7222.3138.5151126141115.512997117240-23

21、7.7242.3146161131.5149117137260-257.4262.6166181151.5169137157280-277.4282.6171.5189157177300-297.4302.6191.5209177197320-317.2322.8211.5229197217340-337.2342.8217237360-357.2362.8237257380-377.2382.8257277注： 尽可能不采用括号内的规格。 折线之间为长度规格范围。 续表3 mm螺纹规格 dM45M52M60125l200102116132l200115129145cmax111min0.30

22、.30.3 ds max48.656.667 dsmax455260min44.3851.2659.26 dw min64.774.283.4 e min76.9588.2599.21 f max81012 k公称283338min27.5632.537.5max28.4233.538.5 k min19.322.826.2 r min1.21.62 smax708090min68.178.187.8L无螺纹杆部长度lS和夹紧长度lg公称minmaxlsminlgmaxlsminlgmaxlsminlgmax1301281325.52814013814215.53815014815225.54

23、893416015816235.558194418017818255.578396420.548200197.7202.375.598598440.568220217.7222.382.5105669147.575240237.7242.3102.51258611167.595260257.4262.6122.514510613187.5115280277.4282.6142.5165126151107.5135300297.4302.6162.5185146171127.5155320317.2322.8182.5205166191147.5175340337.2342.8202.52251

24、86211167.5195360357.2362.8222.5245206231187.5215380377.2382.8242.5265226251207.5235400397.2402.8262.5285246271227.52554 技术条件按表4规定。表4材料钢不锈钢螺纹公差6g标准GB 196-81、GB 197-81机械性能等级d39； 8.8d39；按协议d20：A2-70；20d39：A2-50；d39；按协议标准GB 3098.1-82公差产品等级A用于d24和l10d或150mm（按较小值）B用于d24或l10d或150mm（按较小值）标准GB 3103.1-82表面处理

25、氧化 镀锌钝化GB 5267-85不经处理表面缺陷GB 5779.1-86验收及包装GB 90-855 标记螺纹规格d = M12、公称长度l = 80mm、性能等级为8.8级、表面氧化、A级的六角头螺栓的标记示例： 螺栓 GB 5782-86M12×80本厂补充规定：1 螺栓选用8.8级、A2-70级（d20）或A2-50级（d20）；自制时可用45号钢、1Cr18Ni9Ti，但应满足GB5782-86要求。有色金属螺栓用LY8（或LY11）、HPb59-1。2 螺栓的重量按下表注：（1）“*”者为本厂选用点，非选用点未经批准不得采用。 （2）HPb59-1黄铜螺栓重量按表乘1.0

26、89；LY8（或LY11）螺栓重量按表乘0.343 标记示例螺纹规格d = M12，公称长度l=80，机械性能为8.8级，镀锌钝化的钢螺栓标记为：螺栓GB5782-86 M12×80-8.8ZnD4 附加说明：本标准由四川深冷设备研究所负责转化本标准转化人：郭金道、杨乐 本标准转化审核人：景士衡本标准转化批准人：易希朗mm螺纹规格d公称lM3M4M5M6M8M10M12(M14)M16(M18)M20(M22)M24(M27)M30(M33)M36(M39)M42(M45)M48(M52)M56(M60)M64每1000个钢螺栓的重量 kg201.25251.52.8*4.47301

27、.753.255.18*7.85354.145.89*8.89*16.81406.6*9.92*18.66*30.46457.32*10.96*20.52*33.39*48.08508.03*12*22.37*36.32*52.2874.0755*13.04*24.22*39.25*56.579.85*109.660*14.08*26.08*42.18*60.7185.62*117.2151.965*27.93*45.11*64.9391.39*124.7161.5*206.270*29.79*48.04*69.1497.17*132.5171.2*218.1279.880*33.49*53.9*77.57108.7*147.5190.4*241.8308.6*362.590*59.75*86120.3*162.6209.4*265.5337.3*396.8526*6691100*65.61*94.43131.8*177.8228.9*289.2366.1*431.2*568.9*722.4906.9110*102.9*143.4*192.9248.2*312.9*394.9*465.5*611.9*775.1971.11178120*111.3*154.9*208.1267.5