硬度对照表
<DD>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。<BR><BR><TABLE cellSpacing=0 borderColorDark=#ffffff cellPadding=0 width="100%" align=center bgColor=#e5ebba borderColorLight=#006600 border=1>
<TBODY>
<TR align=middle bgColor=#c5cb9a>
<TD width="25%"><BR>抗拉强度<BR>Rm<BR>N/mm<SUP>2</SUP>
<TD align=middle width="25%">维氏硬度<BR>HV
<TD width="25%">布氏硬度<BR>HB
<TD width="25%">洛氏硬度<BR>HRC
<TR align=middle>
<TD>250
<TD>80
<TD>76.0
<TD>-
<TR align=middle>
<TD>270
<TD>85
<TD>80.7
<TD>-
<TR align=middle>
<TD>285
<TD>90
<TD>85.2
<TD>-
<TR align=middle>
<TD>305
<TD>95
<TD>90.2
<TD>-
<TR align=middle>
<TD>320
<TD>100
<TD>95.0
<TD>-
<TR align=middle>
<TD>335
<TD>105
<TD>99.8
<TD>-
<TR align=middle>
<TD>350
<TD>110
<TD>105
<TD>-
<TR align=middle>
<TD>370
<TD>115
<TD>109
<TD>-
<TR align=middle>
<TD>380
<TD>120
<TD>114
<TD>-
<TR align=middle>
<TD>400
<TD>125
<TD>119
<TD>-
<TR align=middle>
<TD>415
<TD>130
<TD>124
<TD>-
<TR align=middle>
<TD>430
<TD>135
<TD>128
<TD>-
<TR align=middle>
<TD>450
<TD>140
<TD>133
<TD>-
<TR align=middle>
<TD>465
<TD>145
<TD>138
<TD>-
<TR align=middle>
<TD>480
<TD>150
<TD>143
<TD>-
<TR align=middle>
<TD>490
<TD>155
<TD>147
<TD>-
<TR align=middle>
<TD>510
<TD>160
<TD>152
<TD>-
<TR align=middle>
<TD>530
<TD>165
<TD>156
<TD>-
<TR align=middle>
<TD>545
<TD>170
<TD>162
<TD>-
<TR align=middle>
<TD>560
<TD>175
<TD>166
<TD>-
<TR align=middle>
<TD>575
<TD>180
<TD>171
<TD>-
<TR align=middle>
<TD>595
<TD>185
<TD>176
<TD>-
<TR align=middle>
<TD>610
<TD>190
<TD>181
<TD>-
<TR align=middle>
<TD>625
<TD>195
<TD>185
<TD>-
<TR align=middle>
<TD>640
<TD>200
<TD>190
<TD>-
<TR align=middle>
<TD>660
<TD>205
<TD>195
<TD>-
<TR align=middle>
<TD>675
<TD>210
<TD>199
<TD>-
<TR align=middle>
<TD>690
<TD>215
<TD>204
<TD>-
<TR align=middle>
<TD>705
<TD>220
<TD>209
<TD>-
<TR align=middle>
<TD>720
<TD>225
<TD>214
<TD>-
<TR align=middle>
<TD>740
<TD>230
<TD>219
<TD>-
<TR align=middle>
<TD>755
<TD>235
<TD>223
<TD>-
<TR align=middle>
<TD>770
<TD>240
<TD>228
<TD>20.3
<TR align=middle>
<TD>785
<TD>245
<TD>233
<TD>21.3
<TR align=middle>
<TD>800
<TD>250
<TD>238
<TD>22.2
<TR align=middle>
<TD>820
<TD>255
<TD>242
<TD>23.1
<TR align=middle>
<TD>835
<TD>260
<TD>247
<TD>24.0
<TR align=middle>
<TD>850
<TD>265
<TD>252
<TD>24.8
<TR align=middle>
<TD>865
<TD>270
<TD>257
<TD>25.6
<TR align=middle>
<TD>880
<TD>275
<TD>261
<TD>26.4
<TR align=middle>
<TD>900
<TD>280
<TD>266
<TD>27.1
<TR align=middle>
<TD>915
<TD>285
<TD>271
<TD>27.8
<TR align=middle>
<TD>930
<TD>290
<TD>276
<TD>28.5
<TR align=middle>
<TD>950
<TD>295
<TD>280
<TD>29.2
<TR align=middle>
<TD>965
<TD>300
<TD>285
<TD>29.8
<TR align=middle>
<TD>995
<TD>310
<TD>295
<TD>31.0
<TR align=middle>
<TD>1030
<TD>320
<TD>304
<TD>32.2
<TR align=middle>
<TD>1060
<TD>330
<TD>314
<TD>33.3
<TR align=middle>
<TD>1095
<TD>340
<TD>323
<TD>34.4
<TR align=middle>
<TD>1125
<TD>350
<TD>333
<TD>35.5
<TR align=middle>
<TD>1115
<TD>360
<TD>342
<TD>36.6
<TR align=middle>
<TD>1190
<TD>370
<TD>352
<TD>37.7
<TR align=middle>
<TD>1220
<TD>380
<TD>361
<TD>38.8
<TR align=middle>
<TD>1255
<TD>390
<TD>371
<TD>39.8
<TR align=middle>
<TD>1290
<TD>400
<TD>380
<TD>40.8
<TR align=middle>
<TD>1320
<TD>410
<TD>390
<TD>41.8
<TR align=middle>
<TD>1350
<TD>420
<TD>399
<TD>42.7
<TR align=middle>
<TD>1385
<TD>430
<TD>409
<TD>43.6
<TR align=middle>
<TD>1420
<TD>440
<TD>418
<TD>44.5
<TR align=middle>
<TD>1455
<TD>450
<TD>428
<TD>45.3
<TR align=middle>
<TD>1485
<TD>460
<TD>437
<TD>46.1
<TR align=middle>
<TD>1520
<TD>470
<TD>447
<TD>46.9
<TR align=middle>
<TD>1555
<TD>480
<TD>(456)
<TD>47.7
<TR align=middle>
<TD>1595
<TD>490
<TD>(466)
<TD>48.4
<TR align=middle>
<TD>1630
<TD>500
<TD>(475)
<TD>49.1
<TR align=middle>
<TD>1665
<TD>510
<TD>(485)
<TD>49.8
<TR align=middle>
<TD>1700
<TD>520
<TD>(494)
<TD>50.5
<TR align=middle>
<TD>1740
<TD>530
<TD>(504)
<TD>51.1
<TR align=middle>
<TD>1775
<TD>540
<TD>(513)
<TD>51.7
<TR align=middle>
<TD>1810
<TD>550
<TD>(523)
<TD>52.3
<TR align=middle>
<TD>1845
<TD>560
<TD>(532)
<TD>53.0
<TR align=middle>
<TD>1880
<TD>570
<TD>(542)
<TD>53.6
<TR align=middle>
<TD>1920
<TD>580
<TD>(551)
<TD>54.1
<TR align=middle>
<TD>1955
<TD>590
<TD>(561)
<TD>54.7
<TR align=middle>
<TD>1995
<TD>600
<TD>(570)
<TD>55.2
<TR align=middle>
<TD>2030
<TD>610
<TD>(580)
<TD>55.7
<TR align=middle>
<TD>2070
<TD>620
<TD>(589)
<TD>56.3
<TR align=middle>
<TD>2105
<TD>630
<TD>(599)
<TD>56.8
<TR align=middle>
<TD>2145
<TD>640
<TD>(608)
<TD>57.3
<TR align=middle>
<TD>2180
<TD>650
<TD>(618)
<TD>57.8
<TR align=middle>
<TD>
<TD>660
<TD>
<TD>58.3
<TR align=middle>
<TD>
<TD>670
<TD>
<TD>58.8
<TR align=middle>
<TD>
<TD>680
<TD>
<TD>59.2
<TR align=middle>
<TD>
<TD>690
<TD>
<TD>59.7
<TR align=middle>
<TD>
<TD>700
<TD>
<TD>60.1
<TR align=middle>
<TD>
<TD>720
<TD>
<TD>61.0
<TR align=middle>
<TD>
<TD>740
<TD>
<TD>61.8
<TR align=middle>
<TD>
<TD>760
<TD>
<TD>62.5
<TR align=middle>
<TD>
<TD>780
<TD>
<TD>63.3
<TR align=middle>
<TD>
<TD>800
<TD>
<TD>64.0
<TR align=middle>
<TD>
<TD>820
<TD>
<TD>64.7
<TR align=middle>
<TD>
<TD>840
<TD>
<TD>65.3
<TR align=middle>
<TD>
<TD>860
<TD>
<TD>65.9
<TR align=middle>
<TD>
<TD>880
<TD>
<TD>66.4
<TR align=middle>
<TD>
<TD>900
<TD>
<TD>67.0
<TR align=middle>
<TD>
<TD>920
<TD>
<TD>67.5
<TR align=middle>
<TD>
<TD>940
<TD>
<TD>68.0</TD></TR></TBODY></TABLE><BR>
<DD>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。<BR>
<DD>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。<BR>
<DD>下面是本站根据由实验得到的经验公式制作的快速计算器，有一定的实用价值，但在要求数据比较精确时，仍需要通过试验测得。<BR></DD>
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