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<h2 class="headline-1" style="margin: 35px 0px 15px -30px; padding: 0px; font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500; line-height: 22px; clear: both; zoom: 1; background-image: url(http://baike.bdimg.com/static/lemma/view/img/titleEditLine.png); overflow: hidden; position: relative; color: rgb(0, 0, 0); text-align: center;"> <span class="headline-content" style="line-height: 24px; display: block; float: left; padding: 0px 8px 0px 5px;">化學成份</span>20CrNiMoA</h2> <h2 class="headline-1" style="margin: 35px 0px 15px -30px; padding: 0px; font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500; line-height: 22px; clear: both; zoom: 1; background-image: url(http://baike.bdimg.com/static/lemma/view/img/titleEditLine.png); overflow: hidden; position: relative; color: rgb(0, 0, 0); text-align: justify;"> <span class="headline-content" style="line-height: 24px; display: block; float: left; padding: 0px 8px 0px 5px;"><span style="color: rgb(51, 51, 51); font-family: arial, 宋體, sans-serif; font-size: 14px; line-height: 24px; text-indent: 2em;">碳 C ：0.17～0.23</span></span></h2> <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; text-align: justify;"> 硅 Si：0.17～0.37</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; text-align: justify;"> 錳 Mn：0.60～0.95</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; text-align: justify;"> 硫 S ：允許殘余含量&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; text-align: justify;"> 磷 P ：允許殘余含量&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; text-align: justify;"> 鉻 Cr：0.40～0.70</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; text-align: justify;"> 鎳 Ni：0.35～0.75</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; text-align: justify;"> 銅 Cu：允許殘余含量&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; text-align: justify;"> 鉬 Mo：0.20～0.30</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; text-align: justify;"> 物理性能</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; text-align: justify;"> 抗拉強度 &sigma;b (MPa)：&ge;980(100)</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; text-align: justify;"> 屈服強度 &sigma;s (MPa)：&ge;785(80)</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; text-align: justify;"> 伸長率 &delta;5 (%)：&ge;9</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; text-align: justify;"> 斷面收縮率 &psi; (%)：&ge;40</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; text-align: justify;"> 沖擊功 Akv (J)：&ge;47</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; text-align: justify;"> 沖擊韌性值 &alpha;kv (J/cm2)：&ge;59(6)</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; text-align: justify;"> 硬度 ：&le;197HB</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; text-align: justify;"> 試樣尺寸：試樣毛坯尺寸為15mm</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; text-align: justify;"> &nbsp;</div> <h2 class="headline-1" style="margin: 35px 0px 15px -30px; padding: 0px; font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500; line-height: 22px; clear: both; zoom: 1; background-image: url(http://baike.bdimg.com/static/lemma/view/img/titleEditLine.png); overflow: hidden; position: relative; color: rgb(0, 0, 0); text-align: justify;"> <span class="headline-1-index" style="width: 25px; height: 24px; line-height: 24px; font-size: 16px; display: block; float: left; margin: 1px 0px 0px; background-color: rgb(81, 156, 234); color: rgb(255, 255, 255); text-align: center; border-top-left-radius: 0px; border-top-right-radius: 2px; border-bottom-right-radius: 2px; border-bottom-left-radius: 0px; background-position: initial initial; background-repeat: initial initial;">4</span><span class="headline-content" style="line-height: 24px; display: block; float: left; padding: 0px 8px 0px 5px;">熱處理</span></h2> <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; text-align: justify;"> 熱處理規范：淬火850℃,油冷;回火200℃,空冷。</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; text-align: justify;"> 交貨狀態：以熱處理（正火、退火或高溫回火）或不熱處理狀態交貨，交貨狀態應在合同中注明。</div>