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SNC236合金圓鋼-合金結(jié)構(gòu)鋼
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G4053：2003美國標準A29M：2005目錄1執(zhí)行標準2對應(yīng)各國牌號3化學成分4力學性能5應(yīng)用舉例執(zhí)行標準播報編輯國際標準：ISO 683-18：1996對應(yīng)各國牌號播報編輯對應(yīng)國產(chǎn)牌號：40CrNi對應(yīng)美國牌號：-3140對應(yīng)英國牌號：640M40對應(yīng)法國牌號：35NC6化學成分播報編輯質(zhì)量分數(shù)（%）：C：0.37～0.44Si：0.17～0.37Mn：0.50～0.80Cr：0.45～0.75Ni：1.00～1.40力學性能播報編輯【試樣毛坯尺寸】25mm【熱處理】淬火加熱溫度（℃）：820；冷卻劑：油回火加熱溫度（℃）：500；冷卻劑：水、油【力學性能】抗拉強度（σb/MPa）：≥980屈服點（σs/MPa）：≥785斷后伸長率（δ5/%）：≥10斷面收縮率（ψ/%）：≥45沖擊吸收功（Aku2/J）：≥55布氏硬度（HBS100/3000）（退火或高溫回火狀態(tài)）：≤241應(yīng)用舉例播報編輯用于制造鍛造和冷沖壓且截面尺寸較大的重要調(diào)質(zhì)件，如連桿、圓盤、曲軸、齒輪、軸、螺釘?shù)取Ｐ率稚下烦砷L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?2025?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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