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<title><![CDATA[EC21 Product Catalogs - three purposes welding]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/three-purposes-welding--202201/1/three purposes welding.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[purposes.
The specified yield strength of A500 Grade C (the most commonly available grade) is 46 ksi. The specified yield strength of A53 Grade B is 35 ksi. Yield strength increased by more than 30%.]]></description><pubDate><![CDATA[20210816]]></pubDate></item>

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