螺栓預(yù)緊力(外六角內(nèi)六角螺栓和對應(yīng)扳手尺寸對照 表)

1、螺螺栓栓預(yù)預(yù)緊緊力力（德德國國工工業(yè)業(yè)標(biāo)標(biāo)準(zhǔn)準(zhǔn)）強(qiáng)度區(qū)分4.8級6.8級8.8級最小破斷強(qiáng)度40/m60/m80/m材質(zhì)一般構(gòu)造用鋼機(jī)械構(gòu)造用鋼鉻鉬合金鋼SS41（生）S35C（燒）SCM3（燒）螺栓對邊N.m.mN.m.mN.m.mM1422697981013714M162498101371420624M1827137142062128429M2030177182752840241M2232226233333453955M2436314324714868670M274144145637651030105M304658860883901226125M3350705751128115147115

2、0M365598110014711501765180M3960147712017651802157220M4265152015523542402746280M4570176518027462803138320M4875225623034323503923400M5280274628041194204707480M5685353036051985305982610M6090402141059826107747790M6495500151074537608826900M6810056885808532870107871100M72105467266098071000126511290M761107

3、355750107871100147101500M801158140830122561250181421850M851208826900137291400220652250M90130105911080161811650245172500M100145137291400201042050M110155163771670250072550M120175199072030299103050M125180表中數(shù)據(jù)（7080）%螺螺栓栓扭扭矩矩參參照照表表（8.8級級）螺栓直徑 螺帽對邊螺栓預(yù)緊力對應(yīng)摩擦系數(shù)所需扭矩NmmmmmKNf=0.15（油基）f=0.2（無）M2436159621988M27

4、412109131470M304625511771983M335031915922700M365537420673510M396045126464590M426551733865700M457060640967080M487568049338516M5280819634711005M5685944786013590M60901105981017571M649512501176020400M6810014351438724812M7210516331693529685M8011518702127237468M9013024243080954540M10014530504281076095M110

5、15529604601280348M12518038946823012554010.9+40%12.9+70%表中數(shù)據(jù)（7080）%外外六六角角內(nèi)內(nèi)六六角角螺螺栓栓和和對對應(yīng)應(yīng)扳扳手手尺尺寸寸對對照照表表公公制制外外六六角角螺螺栓栓和和套套筒筒（梅梅花花）扳扳手手對對邊邊尺尺寸寸對對照照表表：螺栓尺寸對應(yīng)扳手或套筒對邊尺寸mmmmM35.5M47M58M610M813（14）M1016（17）M1218（19）M1421（22）M1624M1827M2030M2234M2436注：括號中的尺寸為GB舊標(biāo)準(zhǔn)尺寸。公公制制內(nèi)內(nèi)六六角角螺螺釘釘（注注意意不不是是螺螺栓栓）與與內(nèi)內(nèi)六六角角扳扳手手尺尺寸寸對對照照表表：內(nèi)六角螺栓尺寸對應(yīng)內(nèi)六角扳手尺寸mmmmM32.5M43M54M65M86M108M1210M1412M1614M1814M2017M2217M2419M3022M3627M4232M4836M5641M6446470712.9級120/m鎳鉻鉬合金鋼SNCM（特）N.m.m22623353364814967769912931177120176518023542402452250294230