<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;">8620</span></h1> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> 化学成分：</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> 锰 Mn：0.70～0.90</p> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 硫 S ：允许残余含量&le;0.035</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 磷 P ：允许残余含量&le;0.035</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 铬 Cr：0.40～0.60</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 镍 Ni：0.40～0.70</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 铜 Cu：允许残余含量&le;0.030</div> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> 钼 Mo：0.15～0.25</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px;"> 物理性能：</p> <p style="word-wrap: break-word; margin: 5px 0px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px;"> 抗拉强度&sigma;b (MPa)：&ge;980(100)</p> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 屈服强度&sigma;s (MPa)：&ge;785(80)</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 伸长率&delta;5 (%)：&ge;9</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 断面收缩率&psi; (%)：&ge;40</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 冲击功Akv (J)：&ge;47</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 冲击韧性值&alpha;kv (J/cm2)：&ge;59(6)</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 硬度 ：&le;197HB</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 试样尺寸：试样毛坯尺寸为15mm</div> <h2 style="font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> <span style="line-height: 24px;">热处理</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 淬火850℃,油冷;回火200℃,空冷。</div> <div style="word-wrap: break-word; font-family: arial, 宋体, sans-serif; font-size: 14px;"> &nbsp;</div> <h2 style="font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> <span style="line-height: 24px; font-size: 16px; background-color: rgb(81, 156, 234); color: rgb(255, 255, 255);">5</span><span style="line-height: 24px;">交货状态</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋体, sans-serif; font-size: 14px;"> 以（正火、退火或高温回火）或不热处理状态交货，交货状态应在合同中注明</div> <p> &nbsp;</p>