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What’s the Difference Between 304 and 316 Stainless Steel
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3/18/2015 What’s the difference between 304 and 316 stainless steel? Stainless Steel Enclosures | NEMA Enclosures http://www.nemaenclosures.com/blog/304and316stainlesssteel/ 1/2 What’s the difference between 304 and 316 stainless steel? Posted on September 27, 2012 by rob bohn 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). I found the brochure Stainless Steel for Coastal and Salt Corrosion Applications to be very helpful as a general reference for using stainless steel in our area. The last thing you need is your outdoor electrical enclosure rusting out on you. Not only is there the danger of exposing all your critical electrical components inside, it could cost you a lot to replace when it shorts out. We’re talking parts damage and replacement, repair costs including labor and downtime. I’ve seen some real horror shows when enclosures rust out. It’s not pretty. The good news is we have a simple cost effective solution. We found that by using 316 stainless steel instead of 304 stainless steel on an outdoor enclosure that will be exposed to the elements (like on an oil rig, for example) not only increases the life span of the enclosure but it is much safer to be around. How do you know you’re getting 316 stainless steel instead of 304 stainless steel? You can’t tell just by looking at it. There’s no visible difference between two identical pieces of sheet metal, a polished or grained the exact same way. That’s why you need a material test report (MTR) of the actual material to validate it as being 304 or 316. We make sure we get one with every shipment we receive at Nema Enclosures so that we can assure our customers that the enclosure and its parts are constructed of the exact stainless steel material, as specified and ordered. Some small parts such as clamps and mounting feet, constructed of 316 stainless steel are specifically marked, in this case a number 6 within a circle, as shown in the photo above. What is Type 304 stainless steel and what’s it used for? Type 304, with its chromium-nickel content and low carbon, is the most versatile and widely used of the austenitic stainless steels. Its alloys are all modifications of the 18% chromium, 8% nickel austenitic alloy. Type 304 proves to be resistant to oxidation, corrosion, and durability. All provide ease of fabrication and cleaning, prevention of product contamination offer a variety of finishes and appearances. Type 304 stainless steels are used in corrosion resistant electrical enclosures, auto molding and trim, wheel covers, kitchen equipment, hose clamps, exhaust manifolds, stainless hardware, storage tanks, pressure vessels and piping. What is Type 316 stainless steel and what’s it used for? MY ACCOUNT MY CART ENGINEERING RESOURCES CUSTOM ENCLOSURES BLOG ABOUT US Se Habla Español 8886362269 ENCLOSURE RATINGS ENCLOSURE TYPE ENCLOSURE MATERIAL ENCLOSURE FEATURES ENCLOSURE OPTIONS CONTACT US
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What’s the Difference Between 304 and 316 Stainless Steel
Transcript of What’s the Difference Between 304 and 316 Stainless Steel
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3/18/2015 Whatsthedifferencebetween304and316stainlesssteel?StainlessSteelEnclosures|NEMAEnclosures
http://www.nemaenclosures.com/blog/304and316stainlesssteel/ 1/2
Whatsthedifferencebetween304and316stainlesssteel?PostedonSeptember27,2012byrobbohn
Whats 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). I foundthe brochure Stainless Steel for Coastal and Salt Corrosion Applications to be very helpful as a general reference forusing stainless steel in our area.
The last thing you need is your outdoor electrical enclosure rusting out on you.
Not only is there the danger of exposing all yourcritical electrical components inside, it could cost you alot to replace when it shorts out. Were talking partsdamage and replacement, repair costs including laborand downtime. Ive seen some real horror shows whenenclosures rust out. Its not pretty. The good news iswe have a simple cost effective solution. We found thatby using 316 stainless steel instead of 304 stainless
steel on an outdoor enclosure that will be exposed to the elements (like on an oil rig, for example) not only increasesthe life span of the enclosure but it is much safer to be around.
How do you know youre getting 316 stainless steel instead of 304 stainless steel?
You cant tell just by looking at it. Theres no visible difference between two identical pieces of sheetmetal, a polished or grained the exact same way. Thats why you need a material test report (MTR)of the actual material to validate it as being 304 or 316. We make sure we get one with everyshipment we receive at Nema Enclosures so that we can assure our customers that the enclosure andits parts are constructed of the exact stainless steel material, as specified and ordered.Some small
parts such as clamps and mounting feet, constructed of 316 stainless steel are specifically marked, in this case anumber 6 within a circle, as shown in the photo above.
What is Type 304 stainless steel and whats it used for?
Type 304, with its chromium-nickel content and low carbon, is the most versatile and widely used ofthe austenitic stainless steels. Its alloys are all modifications of the 18% chromium, 8% nickelaustenitic alloy. Type 304 proves to be resistant to oxidation, corrosion, and durability. All provideease of fabrication and cleaning, prevention of product contamination offer a variety of finishes andappearances. Type 304 stainless steels are used in corrosion resistant electrical enclosures, auto
molding and trim, wheel covers, kitchen equipment, hose clamps, exhaust manifolds, stainless hardware, storagetanks, pressure vessels and piping.
What is Type 316 stainless steel and whats it used for?
MYACCOUNT MYCART ENGINEERINGRESOURCES CUSTOMENCLOSURES BLOG ABOUTUS
SeHablaEspaol
8886362269
ENCLOSURE RATINGS ENCLOSURE TYPE ENCLOSURE MATERIAL ENCLOSURE FEATURES ENCLOSURE OPTIONS CONTACT US
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3/18/2015 Whatsthedifferencebetween304and316stainlesssteel?StainlessSteelEnclosures|NEMAEnclosures
http://www.nemaenclosures.com/blog/304and316stainlesssteel/ 2/2
Type 316 stainless steel is an austenitic chromium-nickel stainless and heat-resisting steel withsuperior corrosion resistance as compared to other chromium-nickel steels when exposed to manytypes of chemical corrodents such as sea water, brine solutions, and the like. Since Type 316stainless steel alloy contains molybdenum bearing it has a greater resistance to chemical attack than304. Type 316 is durable, easy-to-fabricate, clean, weld and finish. It is considerably more resistant
to solutions of sulfuric acid, chlorides, bromides, iodides and fatty acids at high temperature. Stainless steelscontaining molybdenum are required in the manufacture of certain pharmaceuticals in order to avoid excessive metalliccontamination. The bottom line is that Type 316 stainless steel costs a little more upfront but you could save a wholelot on the back end especially if your enclosure is going to be used outdoors. Something worth keeping in mind whenyoure designing your next enclosure. To place an order or if you have questions please contact us today at 713-921-2233.
For more information on stainless steel electrical enclosures: 304 Stainless Steel 316 Stainless Steel Stainless SteelEnclosures
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