ASTM金属硬度换算表
洛 氏 金 钢 石表面 洛氏金 钢石维氏布氏 抗拉强度
HRC HRA HRD HR15N HR30NHR45NHV HB 10MM球
CAD15N30N45NHV HB óｂ
150kgf60kgf100kgf15kgf30kgf45kgf3000kgfMpa
6885.676.993.284.475.4940——
678576.192.98.3674.2900——
6684.575.492.582.873.3865——
6583.974.592.281.972832739—
6483.473.891.881.171800722—
6382.87391.480.169.9772705—
6282.372.291.179.368.8746688—
6181.871.590.778.467.7720570—
6081.270.790.277.566.6697654—
5980.769.989.876.665.56746342420
5880.169.289.375.764.36536152330
5779.668.588.974.863.26335952240
567967.788.373.9626135772160
5578.566.987.97360.95955602070
547866.187.47259.85775432010
5377.465.486.971.258.65605251950
5276.864.686.470.257.45445121880
5176.363.885.969.456.15284961820
5075.963.185.568.5555134811760
4975.262.18567.653.84984691700
4874.761.484.566.752.54844551640
4774.160.883.965.851.44714431580
4673.66083.564.850.34584321520
4573.159.28364494464211480
4472.558.582.563.147.84344091430
437257.78262.246.74234001390
4271.556.981.561.345.54123901340
4170.956.280.960.444.34023811300
4070.455.480.459.543.13923711250
3969.954.679.958.641.93823621220
3869.453.879.457.740.83723531180
3768.953.178.856.839.63633441140
3668.452.378.355.938.43543361110
3567.951.577.75537.23453271080
3467.450.877.254.236.13363191050
3366.85076.653.334.93273111030
3266.349.276.152.133.73183011010
3165.848.475.651.332.5310294970
3065.347.77550.431.3302286950
2964.84774.549.530.1294279930
2864.346.173.948.628.9286271900
2763.845.273.347.727.8279264880
2663.344.672.846.826.7272258860
2562.843.872.245.925.5266253850
2462.443.171.64524.3260247820
236242.1714423.1254243810
2261.541.670.543.222248237790
216140.969.942.320.7243231770
2060.54069.441.519.6238226760
注：本表给出的数值应被作为粗略的换算关系，在某些特定的应用条件下可能是不准确的。表中粗体的布氏硬度值高于ASTME10标准中推荐的布氏硬度试验的测试范围。除HRE及抗拉强度以外所有的换算关系都取自ASTM E140；抗拉强度的换算关系取自ASTMA370；HRE的换算关系并非取自ASTM标准。
洛 氏 表 面 洛 氏维 氏布 氏抗拉强度布 氏
HRBHRA HRFHREHR15THR30THR45THVHBHB
1.588mm球金 钢 石1.588mm 球10mm 球10mm 球
100kgf60kgf60kgf100kgf15kgf30kgf45kgf3000kgfMpa500kgf
BAFE15T30T45THVHBóｂHB
10061.5——93.183.172.9240240800201
9960.9——92.882.571.9234234785195
9860.2——92.581.870.9228228750189
9759.5——92.181.169.9222222715184
9658.9——91.880.468.9216216705179
9558.3——91.579.867.9210210690175
9457.6——91.279.166.9205205675171
9357109.2—90.878.465.9200200650167
9256.4108.7—90.577.864.8195195635163
9155.8108.2—90.277.163.8190190620160
9055.2107.5—89.976.462.8185185615157
8954.6107.2—89.575.861.8180180605154
8854106.7—89.275.160.8176176590151
8753.4106.3—88.974.459.8172172580148
8652.8106—88.673.858.8169169570145
8552.3105.5—88.273.157.8165165565142
8451.7105—87.972.456.8162162560140
8351.1104.5—87.671.855.8159159550137
8250.6104—87.371.154.8156156530135
8150103.5—86.970.453.8153153505133
8049.5103—86.669.752.8150150495130
7948.9102.5—86.369.151.8147147485128
7848.4102—8668.450.8144144475126
7747.9101—85.667.749.8141141470124
7647.3100.5—85.367.148.8139139460122
7546.8100—8566.447.8137137455120
7446.399.2—84.765.746.8135135450118
7345.898.5—84.365.145.8132132440116
7245.398—8464.444.8130130435114
7144.897.510083.763.743.8127127425112
7044.39799.583.463.142.8125125420110
6943.896.5998362.441.8123123415109
6843.3969882.761.740.8121121405108
6742.895.597.582.46139.8119119400106
6642.3959782.160.438.7117117395104
6541.894.59681.859.737.7116116385102
6441.49495.581.45936.7114114—100
6340.9939581.158.435.7112112—99
6240.492.694.580.857.734.7110110—98
61409293.580.55733.7108108—96
6039.591.59380.156.432.7107107—95
59399192.579.855.731.7106106—94
5838.690.59279.55530.7104104—92
5738.189.89179.254.429.7103103—91
5637.78990.578.853.728.7101101—90
5537.288.59078.55327.7100100—89
5436.88889.578.252.426.7———87
5336.387.28977.951.725.7———86
5235.986.78877.55124.7———85
5135.586.387.577.250.323.7———84
503585.78776.949.722.7———83
4934.685.286.576.64921.7———82
4834.184.685.576.248.320.7———81
4733.784.18575.947.719.7———80
4633.383.584.575.64718.7———80
4532.982.98475.346.317.7———79
4432.482.383.574.945.716.7———78
433281.782.574.64515.7———77
4231.681.28274.344.314.7———76
4131.280.681.57443.713.6———75
4030.7808173.64312.6———75
3930.379.58073.342.311.6———74
3829.97979.57341.610.6———73
3729.578.47972.7419.6———72
3629.177.978.572.340.38.6———72
3528.777.4787239.67.6———71
3428.276.97771.7396.6———70
3327.876.476.571.438.35.6———69
3227.475.8767137.64.6———69
312775.375.570.7373.6———68
3026.674.87570.436.32.6———67
PHR系列洛氏硬度计
原理·符合洛氏硬度试验定义
精确·精度与台式机相同
轻便·重量只有台式机的1％
灵活·可在室内外各种场合使用
标尺·可测试洛氏硬度15个标尺
可测试表面洛氏硬度15个标尺
洛氏硬度标尺的选择（按材料种类）
标尺符号压头总试验力表盘数字标尺的典型应用
(kgf)
A金钢石60C高硬度或薄硬材料。如硬质合金、薄硬
钢片、渗碳后的淬硬钢。
B1.588mm球100B中低硬度材料。如退火的中低碳钢、不锈
钢、铜合金、超硬铝合金、可锻铸铁等。
C金钢石150C淬火及低温回火钢材、冷硬铸铁、珠光体可
可锻铸铁、钛合金、硬度值超过HRB100的材料
D金钢石100C中等渗层表面硬化钢、薄硬钢片、珠光体可锻
可锻铸铁。
E3.175mm球100B铸铁、铝合金、镁合金、轴承合金。
F1.588mm球60B退火黄铜、紫铜、铝合金、软钢薄坂。
G1.588mm球150B铍青铜、磷青铜、可锻铸铁等HRB值接近
100的材料。
H3.175mm球60B铝、锌、铅、锡等软金属。
K3.175mm球150B软金属薄片、轴承合金。
L6.350mm球60B
M6.350mm球100B
P6.350mm球150B轴承合金及其他极软或极薄的材料。采用不
R12.70mm球60B产生测砧效应的最大试验力及最小球压头。
S12.70mm球100B
V12.70mm球150B
15N金钢石15N-T浅层表面硬化钢；小零件；刀口、锯口；
30N金钢石30N-T厚度薄至0.15mm的硬钢带及要求压痕
45N金钢石45N-T尽量小的高硬度工件。
15T1.588mm球15N-T软钢、不锈钢、铜及铜合金、铝合金薄
30T1.588mm球30N-T板带、薄壁管材、小零件、冲压件及要
45T1.588mm球45N-T求压痕尽量小的中低硬度工件。
资料来源：ASTME18-07《金属洛氏硬度和表面洛氏硬度标准试验方法》
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