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<h1 style="color: rgb(0, 0, 0); font-size: 34px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> 4Cr10Si2Mo</h1> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> &nbsp;</p> <h2 style="font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> <span style="line-height: 24px;">特性及適用范圍</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 有較高的熱強(qiáng)性，作內(nèi)燃機(jī)進(jìn)氣閥，輕負(fù)荷發(fā)動機(jī)的排氣閥等。</div> <div style="word-wrap: break-word; font-family: arial, 宋體, sans-serif; font-size: 14px;"> &nbsp;</div> <h2 style="font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> <span style="line-height: 24px; font-size: 16px; background-color: rgb(81, 156, 234); color: rgb(255, 255, 255);">3</span><span style="line-height: 24px;">化學(xué)成分</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 碳 C ：0.35～0.45硅 Si：1.90～2.60</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 錳 Mn：&le;0.70</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 硫 S ：&le;0.030</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 磷 P ：&le;0.035</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 鉻 Cr：9.00～10.50</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 鎳 Ni：&le;0.60</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 鉬 Mo：0.70～0.90</div> <div style="word-wrap: break-word; font-family: arial, 宋體, sans-serif; font-size: 14px;"> &nbsp;</div> <h2 style="font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> <span style="line-height: 24px; font-size: 16px; background-color: rgb(81, 156, 234); color: rgb(255, 255, 255);">4</span><span style="line-height: 24px;">力學(xué)性能</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 抗拉強(qiáng)度 &sigma;b (MPa)：淬火回火,&ge;885</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 條件屈服強(qiáng)度 &sigma;0.2 (MPa)：淬火回火,&ge;685</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 伸長率 &delta;5 (%)：淬火回火,&ge;10</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 斷面收縮率 &psi; (%)：淬火回火,&ge;35</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 硬度 ：退火,&le;269</div> <div style="word-wrap: break-word; font-family: arial, 宋體, sans-serif; font-size: 14px;"> &nbsp;</div> <h2 style="font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> <span style="line-height: 24px; font-size: 16px; background-color: rgb(81, 156, 234); color: rgb(255, 255, 255);">5</span><span style="line-height: 24px;">熱處理規(guī)范及金相組織</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 熱處理規(guī)范：1)淬火,1010～1040℃油冷;2)回火,120～160℃空冷。</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 金相組織：組織特征為馬氏體型。</div> <div style="word-wrap: break-word; font-family: arial, 宋體, sans-serif; font-size: 14px;"> &nbsp;</div> <h2 style="font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> <span style="line-height: 24px; font-size: 16px; background-color: rgb(81, 156, 234); color: rgb(255, 255, 255);">6</span><span style="line-height: 24px;">交貨狀態(tài)</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 一般以熱處理規(guī)范狀態(tài)交貨，其熱處理種類在合同中注明；未注明者，按不熱處理狀態(tài)交貨。</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 有了強(qiáng)硬的質(zhì)量，才有強(qiáng)硬的檢驗標(biāo)準(zhǔn)。</div> <p> ?</p> <p> &nbsp;</p>