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			<title>Materials Forum - Stainless Steel Corrosion</title>
			<lastBuildDate>Fri, 10 Sep 2010 01:51:32 -0700</lastBuildDate>
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		<title>Stainless Steel Corrosion</title>
		<link>http://www.materialsforum.com/discussion/173/?Focus=275#Comment_275</link>
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		<pubDate>Tue, 16 Feb 2010 01:28:12 -0800</pubDate>
		<author>arkaplanda</author>
		<description>
			<![CDATA[I am working on a corrosion type that appeared on the surface of the 430 quality stainless steel.<br />Could you please check the attachment photo and tell me what is the reason of this corrosion.<br /><br />thank you.]]>
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		<title>Stainless Steel Corrosion</title>
		<link>http://www.materialsforum.com/discussion/173/?Focus=316#Comment_316</link>
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		<pubDate>Fri, 13 Aug 2010 00:50:55 -0700</pubDate>
		<author>johnwentz</author>
		<description>
			<![CDATA[To understand the possibility of corrosion in stainless, we must understand that it is an alloy, containing a minimum of 10-1/2% chromium.When chromium comes in contact with oxygen, it forms a natural barrier of chromium oxide called a &quot;passive film&quot;, which helps stainless steel is able to &quot;self heal&quot; itself.Halogen salts, especially chlorides easily penetrate this &quot;passive film&quot; and will allow corrosive attack to occur.]]>
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