鋼的硬度換算表

1、技術(shù)參數(shù)硬度換算表？(SAE417)*1983年修訂)鋼的洛氏硬度C的近似換算值(1)(HRC)洛氏硬度C布氏硬度(HB)10mm球負(fù)載3000kgf洛氏硬度(3)洛氏表面硬度金剛右圓錐壓頭(Hs)洛氏硬度C(3)(HV)維氏硬度標(biāo)準(zhǔn)球碳化鴇球(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15?N標(biāo)|度仔1負(fù)載15kgf30?N標(biāo)度L負(fù)載30kgf45?N標(biāo)度負(fù)載45kgf肖氏硬度抗拉強(qiáng)度(近似值)MPa(kgf/mm2)(2)68940-1?？85.676.993.84.75.97?6

2、824467900?85.076.192.83.74.95?6796266865?？84.575.492.82.73.92?6658365832?(739)83.9?74.592.281.972.091?65(7291.81.71.64800?2)83.4?73.881088?64(7091.80.69.63772?5)82.8?73.0419871L?I-63(6891.79.68.62746?82.3?72.285?628)1rj8(67190.78.67.61720?0)81.8?71.57JUK4783?61(6590.77.66.60697?4)981.2?70.725681?60(

3、6389.76.65.59674?80.7?69.980?59Yi4)8651189.75.64.58653?61580.1?69.237378?5888.74.63.57633?59579.6?68.598276?5756613?57779.0?67.788.73.62.75?5639087.73.60.55595?56078.5?66.9742075(212)5590987.72.59.54577?54378.0?66.1408722015(205)5453560?52577.4?65.486.971.258.J6I;1950(199)5352544(500)51276.8?64.686.

4、R70.L4257.4691880(192)5251528(4849676.3?63.84：85.69.56.681820(186)517).94150513(4748175.9?63.185.68.55.671760(179)505)55049498(464)46975.2?62.185.067.653.8661695(173)49T4848445145574.7?61.484.66.52.641635(167)485754747144244374.1?60.883.65.51.631580(161)479844645843243273.6?60.083.564.850.3621530(15

5、6)464544642142173.1?59.283.064.049.0601480(151)454443440940972.5?58.582.563.147.858/1435(146)44卜一4342340040072.0?57.782.062.2rj46.7y57L1385(141)434241239039071.5?56.9rL81.I61.345.5561340(136)424140238138170.9?56.280.960.444.3551295(132)414039237137170.4?55.480.459.543.1541250(127)403938236236269.9?5

6、4.679.958.641.9521215(124)39II3837235335369.4?53.879.457.740.8511180(120)383736334434468.9?53.178.56.39.501160(118)37886(109.078.55.38.3635433633668.452.3491115(114)36)394(108.577.55.37.3534532732767.951.5481080(110)35)702(108.077.54.36.3433631931967.450.8471055(108)34)221,11i1._L_J(107.576.q53.34.3

7、332731131166.850.0461025(105)33)L639二(107.0/L76.52.33.3231830130166.349.2441000(102)32)117(106.075.51.32.3131029429465.848.443980(100)31mH)637IL5CiJ(105.575.50.31.3030228628665.347.742950(97)30.-)043(104.574.49.30.2929427927964.747.041930(95)29)551二(104.073.48.28.2828627127164.346.141910(93)28)96927

8、27926426463.8(103.0)45.273.347.727.840880(90)272627225825863.3(102.5)44.672.846.826.738860(88)262526625325362.8(101.5)43.872.245.925.538840(86)252426024724762.4(101.0)43.171.645.24.37825(84)24I2325424324362.0100.042.1L71.I44.0*23.136805(82)232224823723761.599.041.670.543.222.035785(80)2221243231231k

9、61.098.540.969.942.320.735770(79)212023822622660.597.840.169.441.519.634760(77)20(18)230219219?96.7?33730(75)(18)1(16222212212?95.5?32705(72)(16)(14)213203203?93.9?31675(69)(14)(12)204194194?92.3?29650(66)(12)(10)196187187?90.7?28620(63)r(10)(8)188179179?89.5?27600(61)(8)(6)180171171?87.1?-:-i?卜:？26580(59)(6)(4)173165165?85.5?KJ?11？?25550(56)(4)(2)166158158?r83.5?24530(54)(2)(0)