久久国产福利国产秒拍

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310s不銹鋼板硬度介紹

發布者:管理員 發布時間:2020/11/25閱讀:39次


310s不銹鋼板硬度介紹


310s不銹鋼板維氏硬度(代號HV)

310s不銹鋼板維氏硬度試驗是一種壓痕試驗方法,可用于測定很薄的金屬材料和表面層硬度。具有布氏、洛氏測試法的主要優點,但是克服了它們的基本缺點,卻不如洛氏法簡便,310s不銹鋼板而且維氏法在鋼管標準中很少使用。不過維氏硬度計測量范圍寬廣,可以測量目前工業上所用到的幾乎全部金屬材料。
310s不銹鋼板布氏硬度(代號HB)

310s不銹鋼板標準中,布氏硬度用途最廣,往往以壓痕直徑來表示該材料的硬度,既直觀,又方便。但是對于較硬或較薄的鋼材及鋼管并不適用。

310s不銹鋼板洛氏硬度(代號HR)

310s不銹鋼板硬度試驗一樣,都是壓痕試驗方法。但它是測量壓痕的深度。洛氏硬度試驗是目前應用很廣的方法,但是洛氏硬度標尺有A、B、C三種標準,通常記作HRA、HRB、HRC,310s不銹鋼板表示方法為硬度數據+硬度符號,如50HRC。其中HRC在鋼管標準中使用僅次于布氏硬度HB。洛氏硬度可適用于測定由極軟到極硬的金屬材料,并可直接從硬度機的表盤讀出硬度值。但是硬度值不如布氏法準確。當被測樣品過小或者布氏硬度(HB)大于450時,就改用洛氏硬度計量。

 

文章來自www.bloodthirstymelon.com

 

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久久国产福利国产秒拍
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