<h2 style="margin: 0px; padding: 0px; outline: 0px; font-size: 20px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif;"> 30CrMnSi</h2> <h3 style="margin: 0px 0px 15px; 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-family: Arial, Helvetica, sans-serif; background-repeat: repeat no-repeat;"> <span style="margin: 0px 0px 0px 10px; padding: 0px; outline: 0px;">30CrMnSi热销产品、质量保证产品介绍</span></h3> <div class="show_pro_ms del_mar" style="margin: 15px 0px 0px; padding: 0px; outline: 0px; width: 942px; float: left; display: inline; line-height: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif;"> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> &nbsp;</p> <h2 style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-weight: 500; text-indent: 11px; font-family: arial, sans-serif;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 20px; color: rgb(34, 34, 34); font-family: 'microsoft yahei', Arial, Helvetica, sans-serif;">化学成分</span>折叠<span style="margin: 0px; padding: 0px; outline: 0px; line-height: 16px;">编辑本段</span></h2> <div style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif;"> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px;"> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 质量分数（%）：</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> C：0.27～0.34</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> Si：0.90～1.20</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> Mn：0.80～1.10</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> Cr：0.80～1.10</p> 编辑本段30CrMnSi规格 <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 产品名称&nbsp;&nbsp; 规格/mm &nbsp; 材质 &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 冷拉光圆 &nbsp; Ф3.0-100 &nbsp; 30CrMnSi &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 热轧钢板 &nbsp; 5-100 &nbsp; 30CrMnSi &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 热轧圆钢 &nbsp; Ф100-200 &nbsp; 30CrMnSi &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 热轧圆钢 &nbsp; Ф20-100 &nbsp; 30CrMnSi &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 热轧圆钢 &nbsp; Ф200-400 &nbsp; 30CrMnSi &nbsp;</p> </div> </div> <h2 style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-weight: 500; text-indent: 11px; font-family: arial, sans-serif;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 20px; color: rgb(34, 34, 34); font-family: 'microsoft yahei', Arial, Helvetica, sans-serif;">力学性能</span>折叠<span style="margin: 0px; padding: 0px; outline: 0px; line-height: 16px;">编辑本段</span></h2> <div style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif;"> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px;"> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 【试样毛坯尺寸】</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 25mm</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 【热处理】</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 淬火加热温度（℃）：880；冷却剂：油</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 回火加热温度（℃）：520；冷却剂：水、油</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 【力学性能】</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 抗拉强度（&sigma;b/MPa）：&ge;1100</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 屈服点（&sigma;s/MPa）：&ge;800</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 断后伸长率（&delta;5/%）：&ge;10</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 断面收缩率（&psi;/%）：&ge;45</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 冲击吸收功（Aku2/J）：&ge;50</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 布氏硬度（HBS100/3000）（退火或高温回火状态）：&le;229[1]</p> </div> </div> <h2 style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-weight: 500; text-indent: 11px; font-family: arial, sans-serif;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 20px; color: rgb(34, 34, 34); font-family: 'microsoft yahei', Arial, Helvetica, sans-serif;">主要特性</span>折叠<span style="margin: 0px; padding: 0px; outline: 0px; line-height: 16px;">编辑本段</span></h2> <div style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif;"> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px;"> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 高强度调质结构钢。具有很高的强度和韧性，淬透性较高，冷变形塑性中等，切削加工性能良好。有回火脆性倾向，横向的冲击韧度差。焊接性能较好，但厚度大于3mm时，应先预热到150℃，焊后需热处理。一般调质后使用。</p> </div> </div> </div> <p> &nbsp;</p>