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<title><![CDATA[EC21 Product Catalogs - square hollow sections]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/square-hollow-sections--202201/1/square hollow sections.html]]></link><item>
<title><![CDATA[ASTM A500 Steel Pipe]]></title><link><![CDATA[https://tianchuangpipe.en.ec21.com/ASTM-A500-Steel-Pipe--11139792_11429954.html]]></link><description><![CDATA[square, and rectangular tubes of cold-formed welded and seamless carbon steel structures. ASTM A500 is the most common specification for Hollow Structural Sections in North America. The correct way t]]></description><pubDate><![CDATA[20210816]]></pubDate></item>

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