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10是沖壓用鋼板中優(yōu)質(zhì)碳素結(jié)構(gòu)鋼的一種牌號(hào);</p>
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10指的是含碳量千分之一;</p>
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特性: 強(qiáng)度低和硬度、塑性、韌性好,易于深沖、拉延、彎曲和焊接。</p>
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用途: 鋼板用作深沖壓和深拉延的容器,如搪瓷制品、儀表板、汽車駕駛室蓋板等。 圓鋼用作心部強(qiáng)度要求 不高的滲碳或氰化零件。</p>
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<span style="margin: 0px; padding: 0px; outline: 0px; font-weight: 700;">化學(xué)成分</span></p>
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碳(C):0.07-0.13,</p>
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鉻(Cr):≤0.15,</p>
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錳(Mn):0.35-0.65,</p>
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鎳(Ni):≤0.30,</p>
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硅(Si):0.17-0.37,</p>
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銅(Cu):≤0.25</p>
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<span style="margin: 0px; padding: 0px; outline: 0px; font-weight: 700;">力學(xué)性能</span></p>
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抗拉強(qiáng)度 σb (MPa):≥335</p>
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屈服強(qiáng)度 σs (MPa):≥205</p>
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伸長(zhǎng)率 δ5 (%):≥31</p>
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斷面收縮率 ψ (%):≥55</p>
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硬度:未熱處理,≤137HB</p>
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<span style="margin: 0px; padding: 0px; outline: 0px; font-weight: 700;">熱處理工藝</span></p>
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推薦熱處理/℃ :正火930正火推薦保溫保溫時(shí)間≤30min,空冷;淬火推薦保溫時(shí)間≤30min,70.80和85鋼油冷,其余鋼水冷;回火推薦保溫時(shí)間≤1h。</p>