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What is the stainless steel type for the Square D EMA and ASCO 460 Surge SPD enclosure?

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The EMA Series Stainless Steel is 304 SS not 316 SS

What’s the difference between 304 and 316 stainless steel?

The simple answer is 304 contains 18% chromium and 8% nickel while 316 contains 16% chromium, 10% nickel and 2% molybdenum. The molybdenum is added to help resist corrosion to chlorides (like sea water and de-icing salts) https://www.nemaenclosures.com/blog/304-and-316-stainless-steel/

https://www.polycase.com/techtalk/steel-enclosures/304-vs-316-stainless-steel.html

We do not have special builds for 316 stainless steel for the EMA and 460 SPDs.

Released for: Schneider Electric USA
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