<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>供应__惊鸿信息网</title><link>https://www.yijinghong.com/product/</link><pubDate>2026-04-20 19:06:15</pubDate><item id="32750"><title><![CDATA[60Si2Mn弹簧钢是应用广泛的硅锰弹簧钢]]></title><link>https://www.yijinghong.com/product/show-32750.html</link><description><![CDATA[60Si2Mn弹簧钢是应用广泛的硅锰弹簧钢，强度、弹性和淬透性较55Si2Mn稍高。60Si2Mn弹簧钢业上制作承受较大负荷的扁形弹簧或线径]]></description><pubDate>2018-10-29 18:30:27</pubDate></item></channel></rss>