<h1 class="title maintitle" id="" style="margin: 0px 0px 14px; padding: 0px; font-size: 34px; width: 700px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 34px; color: rgb(0, 0, 0); font-weight: 500; z-index: 0; position: relative; overflow: hidden; zoom: 1; clear: right;"> <span class="lemmaTitleH1" style="height: auto; padding: 0px 0px 5px; display: inline;">4Cr13</span></h1> <p> &nbsp;</p> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500; color: rgb(0, 0, 0);"> <span class="headline-content">特性</span></h3> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 4Cr13 特性 淬火后比3Cr13硬度高一些、耐蚀性良好。</div> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500; color: rgb(0, 0, 0);"> <span class="headline-content">用途</span></h3> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 作刃具、喷咀、阀座等。 1Cr17Ni2 特性 有较强的耐硝酸及有机酸的腐蚀。 用途 用作较高硬度及高耐磨性的热油泵、阀片、阀门轴承、医疗器械、弹簧等零件。 <div class="lemma-picture text-pic layout-right" style="border: 1px solid rgb(224, 224, 224); overflow: hidden; text-indent: 0px; margin: 0px 0px 3px 20px; position: relative; float: right; clear: right; width: 220px;"> <a class="image-link nslog:9317" href="http://baike.baidu.com/picture/1706811/1706811/0/6398ecd3f8f772e0a8ec9a38.html?fr=lemma&amp;ct=single" style="text-decoration: none; color: rgb(19, 110, 194); display: block; width: 220px; height: 177px;" target="_blank" title="提供4cr13图片"><img alt="提供4cr13图片" src="http://h.hiphotos.baidu.com/baike/s%3D220/sign=38f0b73835fae6cd08b4ac633fb20f9e/4bed2e738bd4b31c28dac2b487d6277f9f2ff8df.jpg" style="border: 0px; display: block; margin: 0px auto; width: 220px; height: 177px;" /></a><span class="description" style="display: block; color: rgb(85, 85, 85); font-size: 12px; font-family: 宋体; word-wrap: break-word; word-break: break-all; line-height: 15px; padding: 8px 7px; min-height: 12px; border-top-width: 1px; border-top-style: solid; border-top-color: rgb(224, 224, 224);">提供4cr13图片</span></div> </div> <div class="anchor-list" style="position: relative; clear: both; color: rgb(0, 0, 0); font-family: arial, 宋体, sans-serif; font-size: 14px; line-height: 24px;"> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500;"> <span class="headline-content">化学成份</span></h3> <table class="table-view log-set-param" log-set-param="table_view" style="border-collapse: collapse; border-spacing: 0px; margin: 5px 0px; word-wrap: break-word; word-break: break-all; font-size: 12px; line-height: 22px;"> <tbody> <tr> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="74"> 碳 C</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="73"> 硅 Si</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="77"> 锰 Mn</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="72"> 硫 S</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="70"> 磷 P</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="79"> 铬 Cr</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="89"> 镍 Ni</td> </tr> <tr> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="74"> 0.36～0.45</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="73"> &le;0.60</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="77"> &le;0.80</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="72"> &le;0.030</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="70"> &le;0.035</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="79"> 12.00～14.00</td> <td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; height: 22px; border-style: solid; border-color: rgb(230, 230, 230);" valign="top" width="89"> 允许含有&le;0.60</td> </tr> </tbody> </table> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500;"> <span class="headline-content">力学性能</span></h3> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-size: 14px;"> 硬度 ：退火,,&le;201HB,压痕直径3.9～4.3mm;淬火,&ge;50HV</div> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-size: 14px;"> ●热处理规范及金相组织：</div> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-size: 14px;"> 热处理规范：1)退火,800～900℃缓冷或约750℃快冷;2)淬火,1050～1100℃油冷</div> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-size: 14px;"> ;3)回火,200～300℃快冷。</div> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-size: 14px;"> 金相组织：组织特征为马氏体型。</div> <div class="anchor-list" style="position: relative; clear: both; font-size: 14px; line-height: 24px;"> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500;"> <span class="headline-content">交货状态</span></h3> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-size: 14px;"> 钢材以退火状态交货。锻造：油淬冷作模具钢有一些裂纹敏感性，锻造加热时不宜迅速加热，最好在650-750度进行一次预热，锻造加热温度为1130-1150度，终锻温度应大于800-850度，钢锭锻造时取上限温度。坯料锻造时取下限温度 <div class="lemma-picture text-pic layout-right" style="border: 1px solid rgb(224, 224, 224); overflow: hidden; text-indent: 0px; margin: 0px 0px 3px 20px; position: relative; float: right; clear: right; width: 220px;"> <a class="image-link nslog:9317" href="http://baike.baidu.com/picture/1706811/1706811/0/3bc6f7501707ee3c1038c2aa.html?fr=lemma&amp;ct=single" style="text-decoration: none; color: rgb(19, 110, 194); display: block; width: 220px; height: 165px;" target="_blank" title="4cr13图片"><img alt="4cr13图片" src="http://c.hiphotos.baidu.com/baike/s%3D220/sign=252500581f30e924cba49b337c086e66/f7246b600c338744c9d5322c510fd9f9d72aa049.jpg" style="border: 0px; display: block; margin: 0px auto; width: 220px; height: 165px;" /></a></div> </div> </div> </div> <p> &nbsp;</p> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500; color: rgb(0, 0, 0);"> <span class="headline-content">退火</span></h3> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 一般退火采用780-800度，保温4-6小时，以&le;50度/小时，冷却到550度出炉空冷，等温退火采用700-800度保温2-4小时，然后再670-720度保温，保持2-4小时，以&le;50度/小时冷速冷却到500度出炉空冷，退火硬度为241-197HB</div> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500; color: rgb(0, 0, 0);"> <span class="headline-content">热处理：</span></h3> <div class="para" style="color: rgb(51, 51, 51); margin: 15px 0px 5px; text-indent: 2em; line-height: 24px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 该钢抗氧化性好，可在600~650℃长期使用。</div>