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進口德國21NiCrMo2合金鋼圓棒鋼板合金結(jié)構(gòu)鋼

銘華特鋼21NiCrMo2是一種常用的合金滲碳鋼，滲碳處理后表面有相當(dāng)高的硬度、耐磨性和接觸疲勞強度，同時心部還保留良好的韌性，能承受高的沖擊負(fù)荷。21NiCrMo2主要用作汽車軸承等耐沖擊、耐

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21NiCrMo2合金鋼簡介：
銘華特鋼21NiCrMo2是一種常用的合金滲碳鋼，滲碳處理后表面有相當(dāng)高的硬度、耐磨性和接觸疲勞強度，同時心部還保留良好的韌性，能承受高的沖擊負(fù)荷。21NiCrMo2主要用作汽車軸承等耐沖擊、耐磨損零件的材料。

21NiCrMo2合金鋼力學(xué)性能：
抗拉強度 σb (MPa)：≥980
屈服強度 σs (MPa)：≥785
伸長率 δ5 (%)：≥9
斷面收縮率 ψ (%)：≥40
沖擊功 Akv (J)：≥47
沖擊韌性值 αkv (J/cm2)：≥59
布氏硬度（HBS100/3000）（退火或高溫回火狀態(tài)）：≤197
試樣尺寸：試樣毛坯尺寸為15mm

21NiCrMo2合金鋼熱處理規(guī)范及金相組織：
淬火加熱溫度（℃）：第一次850-900℃，油冷；第二次800-850℃，油冷；
回火加熱溫度（℃）：150～200℃，空冷。
金相組織：馬氏體；
交貨狀態(tài)：以熱處理（正火、退火或高溫回火）或不熱處理狀態(tài)交貨，交貨狀態(tài)應(yīng)在合同中注明。

21NiCrMo2合金鋼交貨規(guī)格：
銘華特鋼21NiCrMo2圓棒規(guī)格：Φ10~350mm；
銘華特鋼21NiCrMo2板料規(guī)格：8.0~200mm。

咨詢：進口德國21NiCrMo2合金鋼圓棒鋼板合金結(jié)構(gòu)鋼

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進口德國21NiCrMo2合金鋼 圓棒 鋼板 合金結(jié)構(gòu)鋼

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進口德國21NiCrMo2合金鋼圓棒鋼板合金結(jié)構(gòu)鋼