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<h1 style="color: rgb(0, 0, 0); font-size: 34px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> 20CrNiMoA</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;"> &nbsp;</p> <h2 style="font-size: 24px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> <span style="line-height: 24px;">化學成份</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 碳 C ：0.17～0.23</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 硅 Si：0.17～0.37</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 錳 Mn：0.60～0.95</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 硫 S ：允許殘余含量&le;0.035</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 磷 P ：允許殘余含量&le;0.035</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 鉻 Cr：0.40～0.70</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 鎳 Ni：0.35～0.75</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 銅 Cu：允許殘余含量&le;0.030</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 鉬 Mo：0.20～0.30</div> <div style="word-wrap: break-word; font-family: arial, 宋體, 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);">3</span><span style="line-height: 24px;">力學性能</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 抗拉強度 &sigma;b (MPa)：&ge;980(100)</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 屈服強度 &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, 宋體, sans-serif; font-size: 14px;"> 伸長率 &delta;5 (%)：&ge;9</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 斷面收縮率 &psi; (%)：&ge;40</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 沖擊功 Akv (J)：&ge;47</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 沖擊韌性值 &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, 宋體, 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, 宋體, sans-serif; font-size: 14px;"> 試樣尺寸：試樣毛坯尺寸為15mm</div> <div style="word-wrap: break-word; font-family: arial, 宋體, 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);">4</span><span style="line-height: 24px;">熱處理</span></h2> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 熱處理規范：淬火850℃,油冷;回火200℃,空冷。</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 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> <p> ?</p> <p> &nbsp;</p>