what is the difference between 304 and 409 stainless steel

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304 vs 409 Stainless Steel Castings Blog

304 is an austenitic stainless steel high in chromium and nickel with very high corrosion resistance. It is one of the most commonly produced and used stainless steel grades. 409 is a ferritic stainless steel with less chromium and very little nickel. It less expensive to produce than 304, but also provides less corrosion resistance. 304 Stainless Steel Exhaust Vs 409 Aluminized Stainless It is super tough and nearly impervious to rusting, 304 Stainless Steel has around 20% chromium and 10% nickel content in the alloy. In fact, the ferrous metal content is so low that magnets wont stick to it, so identifying 409 Stainless Steel from 304 Stainless Steel is very easy. FYI-difference between T409/T304 stainless steel Modded Mar 02, 2008 · 409 stainless is a blend of stainless and mild steel. This type of stainless is used to make production catalytic converter assemblies that have a 100,000 mile durability requirement. 409 stainless has excellent forming characteristics and is rust through resistant. 409 stainless will develop a light surface rust. 1 - 2 of 2 Posts. T304 vs. T409:How Do These Stainless Steels Differ Nov 25, 2018 · T304 Stainless Steel vs T409 Stainless Steel Bolting on a performance exhaust system adds an exciting new tone to your car. But, that sweet song becomes annoying noise as corrosion eats away at your exhaust. If you want the music to last, start with steel thats designed to outlive your car. Water, salt, and magnesium [] Which is more expensive 304 or 316 stainless steel?Is 304 or 409 stainless steel better? The difference between the types of stainless steel is the amount of chromium and nickel found in each. 304 stainless steel contains a much higher percentage of chromium and nickel. This makes it much more resistant to rust. 409 stainless steel is still more rust-resistant than Aluminized Steel. 303 vs 304 Stainless Steel:What's the Difference?May 28, 2020 · Type 304 stainless is austenitic and non-magnetic, meaning it also provides low thermal and electrical conductivity. Deciding whether to use grade 303 vs 304 stainless steel often comes down to determining what the application will be. There are several factors that come into play when choosing the type of stainless steel to use. Durability AISI 304 Stainless Steel vs. AISI 309 Stainless Steel May 30, 2020 · Both AISI 304 stainless steel and AISI 309 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Difference between 300 and 400 Series Stainless SteelThe chemistry of 300 series steels includes chromium, nickel, and molybdenum as their base elements. On the other hand, the 400 series includes elements such as chromium and manganese. The absence of nickel in their chemistry is what makes all stainless steel alloys under the 400 series cost less, in comparison to 300 series.

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