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.index-module_taskLogo__71Tj5{height:66px;position:absolute;right:30px;top:0;width:66px}.index-module_drawerHand__aRhcO.index-module_open__qMl5O{right:480px}.index-module_reverse__OKr6k{transform:rotate(180deg)}網(wǎng)頁新聞貼吧知道網(wǎng)盤圖片視頻地圖文庫資訊采購百科百度首頁登錄注冊進入詞條全站搜索幫助首頁秒懂百科特色百科知識專題加入百科百科團隊權(quán)威合作個人中心收藏查看我的收藏0有用+10G20Cr2Ni4播報上傳視頻用于制作軸承的金屬常用的滲碳結(jié)構(gòu)鋼，用于制作軸承。滲碳后表面具有相當高的硬度、耐磨性和接觸疲勞強度，而心部韌性好，可耐強烈沖擊載荷，焊接性中等，有回火脆性傾向，對白點形成較敏感。中文名G20Cr2Ni4牌 號G20Cr2Ni4材料名稱軸承鋼碳 C0.17～0.23產(chǎn)品介紹●牌號：G20Cr2Ni4●材料名稱：軸承鋼，滲碳軸承鋼●化學(xué)成分碳C硅Si錳Mn硫S磷P鉻Cr鎳Ni銅Cu0.17～0.230.15～0.400.30～0.60≤0.030≤0.0301.25～1.753.25～3.75≤0.25●用途舉例制作耐沖擊載荷的大型軸承，如軋鋼機軸承等，也可用作其他大型滲碳件，如大型齒輪、軸等，還可用于制造要求強韌性高的調(diào)質(zhì)件。新手上路成長任務(wù)編輯入門編輯規(guī)則本人編輯我有疑問內(nèi)容質(zhì)疑在線客服官方貼吧意見反饋投訴建議舉報不良信息未通過詞條申訴投訴侵權(quán)信息封禁查詢與解封?2024?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺?|?京ICP證030173號?京公網(wǎng)安備11000002000001號window.PAGE_DATA= 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