<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[注塑模具材料选择大全：各种模具钢的性能对比与适用场景]]></title><description><![CDATA[<h2>注塑模具材料选择大全</h2>
<h3>常用模具钢对比</h3>
<ul>
<li>718H：预硬钢，HRC33-38，适合大尺寸模架</li>
<li>NAK80：镜面钢，HRC37-43，适合镜面抛光模具</li>
<li>S136H：不锈钢，HRC30-35，适合透明件</li>
<li>H13：热作钢，HRC45-52，适合压铸模具</li>
<li>Cr12MoV：冷作钢，HRC58-62，适合冲裁模具</li>
</ul>
<h3>选材原则</h3>
<p dir="auto">根据模具类型、产量、塑料材质、表面要求综合选择。</p>
<hr />
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<hr />
<p dir="auto">各位师傅觉得这个方案怎么样？有更好的做法吗？</p>
]]></description><link>https://forum.mj7.cn/topic/1735/注塑模具材料选择大全-各种模具钢的性能对比与适用场景</link><generator>RSS for Node</generator><lastBuildDate>Tue, 11 Aug 2026 03:33:47 GMT</lastBuildDate><atom:link href="https://forum.mj7.cn/topic/1735.rss" rel="self" type="application/rss+xml"/><pubDate>Thu, 28 May 2026 08:08:43 GMT</pubDate><ttl>60</ttl></channel></rss>