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<p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">Cr12模具鋼為典型的合金工具鋼，是應(yīng)用廣泛的冷作模具鋼，具有高強(qiáng)度、較好的淬透性和良好的耐磨性，但沖擊韌性差。</span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 是應(yīng)用廣泛的冷作模具鋼，具有高強(qiáng)度、較好的淬透性和良好的耐磨性，但沖擊韌性差。主要用作承受沖擊負(fù)荷較小，要求高耐磨的冷沖模及沖頭、冷切剪刀、鉆套、量規(guī)、拉絲模、壓印模、搓絲板、拉延模和螺紋滾模等。</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> Cr12屬于高碳高鉻萊氏體鋼,也是應(yīng)用廣泛的冷作模具鋼.該鋼具有較好的淬透性、耐磨性、熱加工性.碳化物在鋼中分布較好,可用于制造形狀復(fù)雜、工作條件繁重下的各種冷作模具.如冷沖模沖頭、螺紋滾模、拉絲模、料模、冶金粉模、木工切削工具、冷切剪刀鉆套及量規(guī)等工具.我們?cè)谘兄浦?經(jīng)過反復(fù)探索和試驗(yàn),制訂了合理的冶煉工藝和特殊的錠模及鍛造工藝,使材質(zhì)組織達(dá)到均勻一致,另外對(duì)標(biāo)準(zhǔn)物質(zhì)加工,大膽創(chuàng)新,采用雙刀切屑新工藝,極大提高了功效,縮短了周期,降低了成本。</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 1.厚度不大于2MM薄板材，高效落料模，沖載模及壓印模。</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 2. 各種剪刀，鑲嵌刀片，木工刀片。</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 3. 螺紋軋制模和耐磨滑塊。</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 4. 冷鐓模具，熱固樹脂成型模。</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 5.伸拉成型模，冷擠壓模具。</p> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 碳 C ：2.00～2.30</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 硅 Si：&le;0.40</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 錳 Mn：&le;0.40</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 硫 S ：&le;0.030</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 磷 P ：&le;0.030</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 鉻 Cr：11.50～13.00</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 鎳 Ni：允許殘余含量&le;0.25</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 銅 Cu：允許殘余含量&le;0.30</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 鈷 Co：&le;1.00</p> </div> <h3 style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; width: 942px; height: 31px; background-image: url(http://www.zcwz.com/gonghuo/images/bg3.gif); line-height: 31px; color: rgb(57, 57, 57); font-weight: 500; font-family: arial, sans-serif; background-repeat: repeat no-repeat;"> <span style="margin: 0px 0px 0px 10px; padding: 0px; outline: 0px; font-size: 18px; font-family: 'microsoft yahei', Arial, Helvetica, sans-serif;">力學(xué)性能：</span>折疊</h3> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 硬度 ：退火,269～217HB,壓痕直徑3.7～4.1mm;淬火,&ge;58HRC</p> </div> <h3 style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; width: 942px; height: 31px; background-image: url(http://www.zcwz.com/gonghuo/images/bg3.gif); line-height: 31px; color: rgb(57, 57, 57); font-weight: 500; font-family: arial, sans-serif; background-repeat: repeat no-repeat;"> <span style="margin: 0px 0px 0px 10px; padding: 0px; outline: 0px; font-size: 18px; font-family: 'microsoft yahei', Arial, Helvetica, sans-serif;">熱處理規(guī)范：</span>折疊</h3> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 熱處理規(guī)范：1)淬火,950～1000℃油冷;2)淬火980℃,油冷,180℃回火2h。</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 金相組織：回火馬氏體+未溶碳化物+殘余奧氏體。</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> ● 交貨狀態(tài)：鋼材以退火狀態(tài)交貨。</p> </div> <h3 style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; width: 942px; height: 31px; background-image: url(http://www.zcwz.com/gonghuo/images/bg3.gif); line-height: 31px; color: rgb(57, 57, 57); font-weight: 500; font-family: arial, sans-serif; background-repeat: repeat no-repeat;"> <span style="margin: 0px 0px 0px 10px; padding: 0px; outline: 0px; font-size: 18px; font-family: 'microsoft yahei', Arial, Helvetica, sans-serif;">Cr12淬火溫度</span>折疊</h3> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> Cr12淬火950～1000℃油淬，二次回火550℃</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 高溫淬火1100-1150℃，低溫淬火960-1050℃，回火550-650℃，前者有二次硬化現(xiàn)象，回火不少于2次，每次2h,回火后可空冷或油冷，高溫淬火前最好進(jìn)行2次預(yù)熱，在高溫加熱時(shí)，需采取保護(hù)措施，以防氧化。</p> </div> <p> &nbsp;</p>