<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;">3Cr13</span></h1> <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;"> <a href="http://baike.baidu.com/view/3986259.htm" style="text-decoration: none; color: rgb(19, 110, 194); font-family: arial, 宋体, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;" target="_blank">3Cr13不锈钢管</a><span style="color: rgb(51, 51, 51); font-family: arial, 宋体, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;">钢标准：GB/T1220-1992,属马氏体类型不锈钢，该钢机械加工性能好，经热处理（淬火回火）后，具有优良的耐腐蚀性能抛光性能较高的强度和耐磨性，适宜制造承受高负荷，高耐磨及在腐蚀介质作用下的塑料模具。调质处理后硬度在HRC30以下的3Cr13材料加工性较好，易达到较好的表面质量。而硬度大于HRC30时加工出的零件，表面质量虽然较好，但刀具易磨损。所以，在材料进厂后，先进行调质处理硬度达到HRC25～30，然后再进行切削加工。</span></h1> <br /> <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;"> 碳 C ：0.26～0.35</div> <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;"> 硅 Si：&le;1.00</div> <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;"> 锰 Mn：&le;1.00</div> <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;"> 硫 S ：&le;0.030</div> <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;"> 磷 P ：&le;0.035</div> <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;"> 铬 Cr：12.00～14.00</div> <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;"> 镍 Ni：允许含有&le;0.60%<br /> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 力学性能： <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: 136px;"> <a class="image-link nslog:9317" href="http://baike.baidu.com/picture/2408041/2408041/0/245e8bca8a57eec6c8176844.html?fr=lemma&amp;ct=single" style="text-decoration: none; color: rgb(19, 110, 194); display: block; width: 136px; height: 140px;" target="_blank" title="3Cr13"><img alt="3Cr13" src="http://d.hiphotos.baidu.com/baike/s%3D220/sign=6a3282af76094b36df921cef93cd7c00/0823dd54564e92588a96fa9e9c82d158ccbf4e1b.jpg" style="border: 0px; display: block; margin: 0px auto; width: 136px; height: 140px;" /></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);">3Cr13</span></div> 抗拉强度 &sigma;b (MPa)：淬火回火,&ge;735</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 条件屈服强度 &sigma;0.2 (MPa)：淬火回火,&ge;540</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 伸长率 &delta;5 (%)：淬火回火,&ge;12</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 断面收缩率 &psi; (%)：淬火回火,&ge;40</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 冲击功 Akv (J)：淬火回火,&ge;24</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 硬度 ：退火,&le;235HB;淬火回火,&ge;217HB<br /> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 热处理规范：1)退火,800～900℃缓冷或约750℃快冷;2)淬火,920～&nbsp; <div class="album-wrap" style="text-indent: 0px; border: 1px solid rgb(224, 224, 224); width: 220px; height: 165px; overflow: hidden; position: relative;"> <a class="lemma-album layout-right nslog:10000206" href="http://baike.baidu.com/picture/2408041/2408041/1711275/a28d62d9c02519bd39012fae.html?fr=lemma&amp;ct=cover" style="text-decoration: none; color: rgb(19, 110, 194); display: block; width: 222px; border-bottom-width: 0px; margin: 10px 0px; position: relative; float: right; clear: right; padding-left: 20px;" target="_blank" title="3cr13制品"><img alt="3cr13制品" class="picture" src="http://f.hiphotos.baidu.com/baike/s%3D220/sign=14db253955fbb2fb302b5f107f4a2043/5243fbf2b2119313fd4bd2d465380cd791238d4d.jpg" style="border: 0px; width: 220px; height: 165px; position: absolute; display: block;" /></a></div> <div class="albumBg" style="margin: 0px auto; text-indent: 0px;"> <div class="albumBgFir" style="border-width: 1px; border-style: solid; border-color: rgb(245, 245, 245) rgb(230, 230, 230) rgb(230, 230, 230); height: 1px; margin: 0px auto; overflow: hidden; width: 214px;"> &nbsp;</div> <div class="albumBgSec" style="border-width: 1px; border-style: solid; border-color: rgb(245, 245, 245) rgb(230, 230, 230) rgb(230, 230, 230); height: 1px; margin: 0px auto; overflow: hidden; width: 208px;"> &nbsp;</div> </div> 980℃油冷;3)回火,600～750℃快冷。</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 金相组织：组织特征为马氏体型。</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 交货状态：一般以热处理状态交货，其热处理种类在合同中注明；未注明者，按不热处理状态交货。</div> </div> </div> <p> &nbsp;</p>