抗拉强度与维氏、布氏、洛氏的硬度对照表.doc

硬 度 换 算 值 对钢之洛氏硬度C硬度数之近似换算值勃氏硬度数洛氏硬度数洛氏特殊硬度数萧氏硬度数近似抗拉洛氏C10 mm 球负荷3000kg2特殊brale压子强度洛氏C硬度记维克氏标准球Fultglen球碳化钨球A硬度记号B硬度记号D硬度记号15-N30-N45-N kgf/mmP2P硬度记号硬度数硬度数负荷60 kgf 负荷100 kgf负荷100 kgf硬度记号硬度记号硬度记号（N/mmP2）P号硬度数2brale压子直径球1/14 in球brale压子负荷15 kgf负荷30 kgf负荷45 kgf12HRCHBS-HBWHRAHRB-HR15NHR30NHR45NHS-HRC68940-85.6-76.993.284.475.497-6867900-85.0-76.192.983.674.295-6766865-84.5-75.492.582.873.392-6665832-73983.9-74.592.281.972.091-6564800-72283.4-73.891.881.171.088-64-63772-70582.8-73.091.480.169.987-6362746-68882.3-72.291.179.368.885-6261720-67081.8-71.590.778.467.783-6160697-61365481.2-70.790.277.566.681-6059674-59963480.7-69.989.876.665.580-59-58653-58761580.1-69.289.375.764.378-5857633-57559579.6-68.588.974.863.276-5756613-56157779.0-67.788.373.962.075-5655595-54656078.5-66.987.973.060.274212(2079)5554577-53454378.0-66.187.472.059.872205(2010)54-53560-51952577.4-65.486.971.258.671199(1952)535254450050851276.8-64.686.470.257.469192(1883)525152848749449676.3-63.885.969.456.168186(1842)515051347548148175.9-63.185.568.555.067179(1755)504949846446946975.2-62.185.067.653.866172(1687)494848445145545574.7-61.484.566.752.564167(1638)484747144244344374.1-60.883.965.851.463161(1579)474645843243243273.6-60.083.564.850.362156(1530)464544642142142173.1-59.283.064.049.060151(1481)454443440940940972.5-58.582.563.147.858146(1432)444342340040040072.0-57.782.062.246.757141(1383)434241239039039071.5-56.981.561.345.556136(1334)424140238138138170.9-56.280.960.444.355132(1294)414039237137137170.4-55.480.459.543.154127(1245)403938236236236269.9-54.679.958.641.952124(1216)393837235335335369.4-53.879.457.740.851120(1177)383736334434434468.9-53.178.856.839.650118(1157)373635433632632668.4109.052.378.355.938.449114(1118)363534532732732767.4108.551.577.755.037.248110(1079)353433631931931967.4108.050.877.254.236.147108(1059)343332731131131166.8107.550.076.653.334.946105(1030)333231830130130166.3107.049.276.152.133.744102(1000)323131029429429465.8106.048.475.651.332.543100(981)313030228628628665.3105.547.775.050.431.34297(951)302929427927927964.7104.547.074.549.530.14195(932)292828627127127164.3104.046.173.948.628.94193(912)282727926426426463.8103.045.273.347.727.84090(883)272627225825825863.3102.544.672.846.826.73888(863)262526625325325362.7101.543.872.245.925.53886(843)252426024724724762.4101.043.171.645.024.33784(824)242325424324324362.0100.042.171.044.023.13682(804)232224823723723761.599.041.670.543.222.03580(785)222124323123123161.098.540.969.942.320.73579(775)212023822622622660.597.840.169.441.519.63477(755)20（18）230219219219-96.7-3375(736)（18）（16）222212212212-95.5-3272(706)（16）（14）213203203203-93.9-3169(677)（14）（12）204194194194-92.3-2966(647)（12）（10）196187187187-90.7-2863(618)（10）（8）188179179179-89.5-2761(598)（8）（6）180171171171-87.1-2659(579)（6）（4）173165165165-85.5-2556(549)（4）（2）166158158158-83.5-2454(530)（2）（0）160152152152-81.7-2453(520)（0）备注：粗体数字依据由ASTM E 表 140 之2（由SAE-SAM-ASTM共同调整） 注：1.近似值是依据JIS Z8413及Z8438换算表，由psi换算者 括号（ ）内单位及数据，为依据国际单位系（SI）者，附记做参考用，1N/mmP2P=1MPa 2.本表中括号（ ）内数字，通常不普遍使用，只做参考之用。JIS中并无D硬度记号之规定。 抗拉强度与维氏、布氏、洛氏的硬度对照表根据德国标准DIN50150,以下是常用范围的钢材抗拉强度与维氏硬度、布氏硬度、洛氏硬度的对照表。 抗拉强度Rm N/mm2 维氏硬度HV布氏硬度HB洛氏硬度HRC2508076.0-2708580.7-2859085.2-3059590.2-32010095.0-33510599.8-350110105-370115109-380120114-400125119-415130124-430135128-450140133-465145138-480150143-490155147-510160152-530165156-545170162-560175166-575180171-595185176-610190181-625195185-640200190-660205195-675210199-690215204-705220209-720225214-740230219-755235223-77024022820.378524523321.380025023822.282025524223.183526024724.085026525224.886527025725.688027526126.490028026627.191528527127.893029027628.595029528029.296530028529.899531029531.0103032030432.2106033031433.3109534032334.4112535033335.5111536034236.6119037035237.7122038036138.8125539037139.8129040038040.8132041039041.8135042039942.7138543040943.6142044041844.5145545042845.3148546043746.1152047044746.91555480(456)47.71595490(466)48.41630500(475)49.11665510(485)49.81700520(494)50.51740530(504)51.11775540(513)51.71810550(523)52.31845560(532)53.01880570(542)53.61920580(551)54.11955590(561)54.71995600(570)55.22030610(580)55.72070620(589)56.32105630(599)56.82145640(608)57.32180650(618)57.866058.367058.868059.269059.770060.172061.074061.876062.578063.380064.082064.784065.386065.988066.490067.092067.594068.0硬度试验是机械性能试验中最简单易行的一种试验方法。为了能用硬度试验代替某些机械性能试验，生产上需要一个比较准确的硬度和强度的换算关系。实践证明，金属材料的各种硬度值之间，硬度值与强度值之间具有近似的相应关系。因为硬度值是由起始塑性变形抗力和继续塑性变形抗力决定的，材料的强度越高，塑性变形抗力越高，硬度值也就越高。专业文档供参考，如有帮助请下载。