黄片免费观看欧美_国产欧美日韩懂色_福利cosplayh裸体の福利_最新无码网址_在线免费视频你懂的_抓住孙尚香的兔子_亚洲日产2021高清视频在线_大地资源网高清在线播放_日韩久久电影91婷婷视频_超乳爆乳中文字幕无码

廣州精密儀器網(wǎng)-專業(yè)精密儀器網(wǎng)站.生產(chǎn)粗糙度輪廓儀,粗糙度儀,圓度儀,圓柱度儀,二次元影像測(cè)量?jī)x,手持式三維激光掃描儀,便攜式三坐標(biāo)測(cè)量臂,三坐標(biāo)測(cè)量機(jī),萬能試驗(yàn)機(jī),維氏硬度計(jì),金相顯微鏡等精密儀器
 位置: 首頁 > 技術(shù)資料 > 正文
硬度對(duì)照表(一)
硬度對(duì)照表(一)
根據(jù)德國標(biāo)準(zhǔn)DIN50150,以下是常用范圍的鋼材抗拉強(qiáng)度與維氏硬度、布氏硬度、洛氏硬度的對(duì)照表。

抗拉強(qiáng)度(Rm N/mm2)        維氏硬度(HV)                布氏硬度(HB)                洛氏硬度(HRC)
250                              80                               76.0                            -
270                              85                               80.7                            -
285                              90                               85.2                            -
305                              95                               90.2                            -
320                              100                             95.0                            -
335                              105                             99.8                            -
350                              110                             105                             -
370                              115                             109                             -
380                              120                             114                             -
400                              125                             119                             -
415                              130                             124                             -
430                              135                             128                             -
450                              140                             133                             -
465                              145                             138                             -
480                              150                             143                             -
490                              155                             147                             -
510                              160                             152                             -
530                              165                             156                             -
545                              170                             162                             -
560                              175                             166                             -
575                              180                             171                             -
595                              185                             176                             -
610                              190                             181                             -
625                              195                             185                             -
640                              200                             190                             -
660                              205                             195                             -
675                              210                             199                             -
690                              215                             204                             -
705                              220                             209                             -
720                              225                             214                             -
740                              230                             219                             -
抗拉強(qiáng)度(Rm N/mm2)        維氏硬度(HV)                布氏硬度(HB)                洛氏硬度(HRC)
相關(guān)產(chǎn)品
產(chǎn)品展示