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<title><![CDATA[EC21 Product Catalogs - medium frequency machine]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/medium-frequency-machine--2808/1/medium frequency machine.html]]></link><item>
<title><![CDATA[ISO9001 Certified Good Quality Stainless Steel Investment Casting]]></title><link><![CDATA[https://angie7982.en.ec21.com/ISO9001-Certified-Good-Quality-Stainless--9396745_9396415.html]]></link><description><![CDATA[machine, manual sand-blasting machine, air compressor, welding transformers, medium-frequency induction furnace, box resistance furnace, coal-burning calcining kiln, press tester, cooling water machi]]></description><pubDate><![CDATA[20150225]]></pubDate></item>
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<title><![CDATA[40cr Steel | AISI 5140 GB 40Cr Steel Material | Good Ardenability 40cr Steel Manufacturer]]></title><link><![CDATA[https://songshunsteel.en.ec21.com/40cr-Steel-AISI--11800861_11800867.html]]></link><description><![CDATA[frequency quenching beside Q+T. Its machinability also is good, if the hardness is 174-229 HB, the machinability is 60%. 40Cr steel material is a good choice for medium type plastic mold. It belongs ]]></description><pubDate><![CDATA[20230602]]></pubDate></item>

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