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<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, 宋體, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;" target="_blank">3Cr13不銹鋼管</a><span style="color: rgb(51, 51, 51); font-family: arial, 宋體, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;">鋼標(biāo)準(zhǔn)：GB/T1220-1992,屬馬氏體類型不銹鋼，該鋼機械加工性能好，經(jīng)熱處理（淬火回火）后，具有優(yōu)良的耐腐蝕性能拋光性能較高的強度和耐磨性，適宜制造承受高負荷，高耐磨及在腐蝕介質(zhì)作用下的塑料模具。調(diào)質(zhì)處理后硬度在HRC30以下的3Cr13材料加工性較好，易達到較好的表面質(zhì)量。而硬度大于HRC30時加工出的零件，表面質(zhì)量雖然較好，但刀具易磨損。所以，在材料進廠后，先進行調(diào)質(zhì)處理硬度達到HRC25～30，然后再進行切削加工。</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, 宋體, 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, 宋體, 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, 宋體, sans-serif; font-size: 14px;"> 錳 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, 宋體, 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, 宋體, 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, 宋體, sans-serif; font-size: 14px;"> 鉻 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, 宋體, sans-serif; font-size: 14px;"> 鎳 Ni：允許含有&le;0.60%<br /> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 力學(xué)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: 宋體; 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> 抗拉強度 &sigma;b (MPa)：淬火回火,&ge;735</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 條件屈服強度 &sigma;0.2 (MPa)：淬火回火,&ge;540</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 伸長率 &delta;5 (%)：淬火回火,&ge;12</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 斷面收縮率 &psi; (%)：淬火回火,&ge;40</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 沖擊功 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;"> 熱處理規(guī)范：1)退火,800～900℃緩冷或約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;"> 金相組織：組織特征為馬氏體型。</div> <div class="para" style="margin: 15px 0px 5px; text-indent: 2em;"> 交貨狀態(tài)：一般以熱處理狀態(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> </div> <p> &nbsp;</p>