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<p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">20Mn2</span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">化學(xué)成分：</span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">（%）：</span></p> <p> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); font-family: arial, sans-serif; line-height: 28px;">碳C: 0.17~0.24</span><br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;" /> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); font-family: arial, sans-serif; line-height: 28px;">硅Si: 0.17~0.37</span><br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;" /> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); font-family: arial, sans-serif; line-height: 28px;">錳Mn:1.40~1.80</span><br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;" /> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); font-family: arial, sans-serif; line-height: 28px;">磷P ：&le;0.025</span><br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;" /> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); font-family: arial, sans-serif; line-height: 28px;">硫S ：&le;0.025&nbsp;</span><br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;" /> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); font-family: arial, sans-serif; line-height: 28px;">鉻 Cr：&le;0.30</span><br style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;" /> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); font-family: arial, sans-serif; line-height: 28px;">鎳 Ni：&le;0.30</span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">銅 Cu：&le;0.25&nbsp;</span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;"><span style="margin: 0px; padding: 0px; outline: 0px;">　　物理性能：</span></span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;"><span style="margin: 0px; padding: 0px; outline: 0px;">抗拉強(qiáng)度&ge;785MPa</span><br style="margin: 0px; padding: 0px;" /> <span style="margin: 0px; padding: 0px; outline: 0px;">屈服極限&ge;590MPa</span><br style="margin: 0px; padding: 0px;" /> <span style="margin: 0px; padding: 0px; outline: 0px;">伸長率&ge;10%</span><br style="margin: 0px; padding: 0px;" /> <span style="margin: 0px; padding: 0px; outline: 0px;">斷面收縮率&ge;40%</span><br style="margin: 0px; padding: 0px;" /> <span style="margin: 0px; padding: 0px; outline: 0px;">沖擊吸收功&ge;47Aku2/J</span><br style="margin: 0px; padding: 0px;" /> <span style="margin: 0px; padding: 0px; outline: 0px;">硬度：&le;187HB</span></span></p>