1、技術(shù)參數(shù)硬度換算表(SAE J 417)*1983年修訂)鋼的洛氏硬度C的近似換算值(1)(HRC)洛氏硬度C(HV)維氏硬度布氏硬度(HB)10mm球負(fù)載3000kgf洛氏硬度(3)洛氏表面硬度金剛石圓錐壓頭(Hs)抗拉強(qiáng)度(近似值)MPa(kgf/mm2)(2)洛氏硬度C(3)肖氏硬度標(biāo)準(zhǔn)球碳化鎢球(HRA)A標(biāo)度負(fù)載60kgf金剛石圓錐壓頭(HRB)B標(biāo)度負(fù)載100kgf直徑1.6mm(1/16in)球(HRA)D標(biāo)度負(fù)載100kgf金剛石圓錐壓頭15N標(biāo)度負(fù)載15kgf30N標(biāo)度負(fù)載30kgf45N標(biāo)度負(fù)載45kgf6894085.676.993.284.475.49768679008

2、5.076.192.983.674.295676686584.575.492.582.873.3926665832(739)83.974.592.281.972.0916564800(722)83.473.891.881.171.0886463772(705)82.873.091.480.169.9876362746(688)82.372.291.179.368.8856261720(670)81.871.590.778.467.7836160697(654)81.270.790.277.566.6816059674(634)80.769.989.876.665.580595865361580

3、.169.289.375.764.378585763359579.668.588.974.863.276575661357779.067.788.373.962.075565559556078.566.987.973.060.9742075(212)555457754378.066.187.472.059.8722015(205)545356052577.465.486.971.258.6711950(199)5352544(500)51276.864.686.470.257.4691880(192)5251528(487)49676.363.885.969.456.1681820(186)5

4、150513(475)48175.963.185.568.555.0671760(179)5049498(464)46975.262.185.067.653.8661695(173)494848445145574.761.484.566.752.5641635(167)484747144244374.160.883.965.851.4631580(161)474645843243273.660.083.564.850.3621530(156)464544642142173.159.283.064.049.0601480(151)454443440940972.558.582.563.147.8

5、581435(146)444342340040072.057.782.062.246.7571385(141)434241239039071.556.981.561.345.5561340(136)424140238138170.956.280.960.444.3551295(132)414039237137170.455.480.459.543.1541250(127)403938236236269.954.679.958.641.9521215(124)393837235335369.453.879.457.740.8511180(120)383736334434468.953.178.8

6、56.839.6501160(118)373635433633668.4(109.0)52.378.355.938.4491115(114)363534532732767.9(108.5)51.577.755.037.2481080(110)353433631931967.4(108.0)50.877.254.236.1471055(108)343332731131166.8(107.5)50.076.653.334.9461025(105)333231830130166.3(107.0)49.276.152.133.7441000(102)323131029429465.8(106.0)48

7、.475.651.332.743980(100)313030228628665.3(105.5)47.775.050.431.342950 (97)302929427927964.7(104.5)47.074.549.530.141930 (95)292828627127164.3(104.0)46.173.948.628.941910 (93)282727926426463.8(103.0)45.273.347.727.840880 (90)272627225825863.3(102.5)44.672.846.826.738860 (88)262526625325362.8(101.5)43

8、.872.245.925.538840 (86)252426024724762.4(101.0)43.171.645.024.337825 (84)242325424324362.0100.042.171.044.023.136805 (82)232224823723761.599.041.670.543.222.035785 (80)222124323123161.098.540.969.942.320.735770 (79)212023822622660.597.840.169.441.519.634760 (77)20(18)23021921996.733730 (75)(18)(16)22221221295.532705 (72)(16)(14)21320320393.931675 (69)(14)(12)20419419492.329650 (66)(12)(10)19618718790.728620 (63)(10)(8527600 (61)(8)(6126580 (59)(6)(4525550 (56)(4)(2)16615815883.524530 (54)(2)(0)16015215281