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<p> <span style="color: rgb(51, 51, 51); font-family: arial, 宋體, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Q215A</span></p> <p> <span style="color: rgb(51, 51, 51); font-family: arial, 宋體, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;">是一種鋼材的材質。Q代表的是這種材質的屈服度，后面的215，就是指這種材質的屈服值，在215左右。并會隨著材質的厚度的增加而使其屈服值減小。由于含碳適中，綜合性能較好，強度、塑性和焊接等性能得到較好配合，用途最廣泛。</span></p> <p> &nbsp;</p> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500; color: rgb(0, 0, 0);"> <span class="headline-content">化學成分</span></h3> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500; color: rgb(0, 0, 0);"> &nbsp; &nbsp;<a href="http://baike.baidu.com/view/39160.htm" style="font-family: arial, 宋體, sans-serif; font-size: 14px; line-height: 24px; text-indent: 2em; text-decoration: none; color: rgb(19, 110, 194);" target="_blank">硫</a><span style="color: rgb(51, 51, 51); font-family: arial, 宋體, sans-serif; font-size: 14px; line-height: 24px; text-indent: 2em;">S ：&le;0.050</span></h3> <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;"> <a href="http://baike.baidu.com/view/39167.htm" style="text-decoration: none; color: rgb(19, 110, 194);" target="_blank">磷</a>&nbsp;P ：&le;0.045</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;"> <a href="http://baike.baidu.com/view/39052.htm" style="text-decoration: none; color: rgb(19, 110, 194);" target="_blank">鉻</a>Cr：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;"> <a href="http://baike.baidu.com/view/38977.htm" style="text-decoration: none; color: rgb(19, 110, 194);" target="_blank">鎳</a>Ni：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;"> <a href="http://baike.baidu.com/view/36056.htm" style="text-decoration: none; color: rgb(19, 110, 194);" target="_blank">銅</a>&nbsp;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;"> 注：脫氧方法:F、b、Z</div> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500; color: rgb(0, 0, 0);"> <span class="headline-content">力學性能</span></h3> <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;"> 抗拉強度 &sigma;b (MPa)：335-450</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;"> <a href="http://baike.baidu.com/view/72126.htm" style="text-decoration: none; color: rgb(19, 110, 194);" target="_blank">屈服強度</a>&nbsp;&sigma;s (MPa)：&le;16時:&ge;215;</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;"> 屈服強度 &sigma;s (MPa&gt; 16～40時:&ge;205;</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;"> 屈服強度 &sigma;s (MPa&gt; 40～60時: &ge;195;</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;"> 屈服強度 &sigma;s (MPa&gt;60～100 時: &ge;185;</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;"> 屈服強度 &sigma;s (MPa&gt; 100～150 時: &ge;175;</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;"> 屈服強度 &sigma;s (MPa&gt;150時: &ge;165</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;"> 伸長率 &delta;5 (%)：&le;16時:&ge;31</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;"> 伸長率 &delta;5 (%);&gt;16～40時;:&ge;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;"> 伸長率 &delta;5 (%);;&gt;40～60時:&ge;29;</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;"> 伸長率 &delta;5 (%);&gt;60～100時:&ge;28;</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;"> 伸長率 &delta;5 (%);&gt;100～150時:&ge;27;</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;"> 伸長率 &delta;5 (%);&gt;150時:&ge;20</div> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500; color: rgb(0, 0, 0);"> <span class="headline-content">熱處理工藝</span></h3> <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;"> 試樣尺寸：試樣厚度(直徑)熱處理規范及金相組織</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;"> 交貨狀態：一般以熱軋（包括控軋）狀態交貨。</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;"> 根據需方要求，經雙方協議，也可以正火處理狀態交貨</div> <h3 class="headline-2" style="margin: 20px 0px 12px; padding: 0px; font-size: 18px; font-family: 'Microsoft YaHei', SimHei, Verdana; line-height: 19px; clear: both; font-weight: 500; color: rgb(0, 0, 0);"> <span class="headline-content">冷彎性能</span></h3> <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;"> 180&deg; 冷彎試驗</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;"> d=0.5a （縱向）d=a（橫向）(B=2a: 60mm），d=1.5a （縱向）d=2a（橫向）(B=2a: &gt;60～100mm）</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;"> d=2a （縱向）d=2.5a（橫向）(B=2a: &gt;100～200mm）</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;"> 其中d 為彎心直徑，B 為試樣寬度，a 為鋼材厚度或直徑。</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;"> 【沖擊試驗】</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;"> 溫度：20℃</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;"> V型<a href="http://baike.baidu.com/view/499396.htm" style="text-decoration: none; color: rgb(19, 110, 194);" target="_blank">沖擊吸收功</a>（縱向）Ak/J：≧27</div>