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question about stainless steel 304 vs 409 welding nasioc

question about stainless steel 304 vs 409 welding nasioc

question about stainless steel 304 vs 409 welding nasioc

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Question about Stainless Steel 304 vs 409 welding - NASIOCMar 30, 2012 · Question about Stainless Steel 304 vs 409 welding I am wanting to purchase a S/S down pipe and ADD a cat converter to the new DP. I cannot find a 304-S/S cat to save my life.

welding 409 stainless to mild steel - Weld Talk Message Boards

Bremen242, the 400 series of stainless is considered unweldable, it hardens real well, but for you application, since you are going to carbonsteel, you might as well use er70-3/6 as the carbon steel will rust and probably faster that the weld as the weld is thicker and mixed with the stainless. A spool of 2lb stainless is probably about $22.50 question about stainless steel 304 vs 409 welding nasiocwelding 304 SS to 409 SS | DSMtunersJan 13, 2021 · I've got a catalytic converter that is 409 SS that I'd like to weld on my 304 SS flanges. Any idea what kind of filler rod I should use? I have access to both MIG and TIG through the machine shop at the school, but I'm not sure what I should be using to weld the two. Google searching hasn't resulted in anything so far. Thanks.newb question-weld stainless to aluminized exhaust question about stainless steel 304 vs 409 welding nasiocThe question I have is this: There is a section of stainless I need to attach the pipes to. Can I weld the stainless to the aluminized pipe using my mig and 75/25 mix? Or do I really need to get stainless wire and tri mix? The expense for that is a bit prohibitive for making only two welds.

Which stainless rod needed to weld 409 stainless?

Oct 21, 2008 · this should give you some insight Welding Stainless Steel The stainless properties of stainless steels are primarily due to the presence of chromium in quantities greater than roughly 12 weight percent. This level of chromium is the minimum level of chromium to ensure a continuous stable layer of protective chromium-rich oxide forms on the surface.When to Use 308L, 309L or 316L Filler MetalUse 309L (including ER309LSi) when joining mild steel or low alloy steel to stainless steels, for joining dissimilar stainless steels such as 409 to itself or to 304L stainless, as well as for joining 309 base metal. CG-12 is the cast equivalent of 309.What type of wire is used to weld 304 stainless steel?ER308L MIG welding wire is typically used to weld 302, 304, 321, and of course 308 type stainless steels. ER309L MIG welding wire is typically used to weld 304 type stainless steels and dissimilar stainless steels. This wire is particularly useful if you are not sure what type of steel you are dealing with.See all results for this question

What is the difference between 304 and 409 stainless steel?

Dec 21, 2010 · In some cases, working with stainless steel could require heat treatment. This relieves the internal stress caused by bending and welding. Stainless steel is more likely to crack, due to this internal stress. Most modern factory exhaust systems are made from 409 stainless steel. It is strong and will last 8-10 years in a moderate climate. 409 question about stainless steel 304 vs 409 welding nasiocWELDING OF STAINLESS STEELS AND OTHER JOINING Comparison of Welding Characteristics of Type 304 Stainless Steel with Carbon Steel Carbon Steel Type 304 Remarks Melting Point 2800 2550-2650 Type 304 requires less heat to produce fusion, which means faster ºF Approx. welding for the same heat or less heat input for the same speed.Type 304 vs. type 202 stainless steel - FinishingOct 07, 2008 · Type 304 vs. type 202 stainless steel. Summary: Type 304 stainless steel (also known as 18/8) has long been a traditional favorite for a wide variety of applications. But nickel is expensive, and containing as it does 18% chromium and 8% nickel, there is always pressure for a less expensive material. Type 202 stainless steel is 4% to 6% nickel question about stainless steel 304 vs 409 welding nasioc

Tips for Welding Sheet Metal With MIG or TIG

May 01, 2007 · When welding 304 stainless steel, ER308, ER308L and ER308LSI wires are compatible, but for welding 316L stainless, you need a 316L wire. With these materials, use a tri-mix gas 90% helium, 8% argon and 2% CO 2. To weld sheet metal with solid wires, use electrode positive (EP, or reverse polarity).The wide world of welding stainless steelWelding stainless steel is not much different from that required in welding standard carbon steel, with a few exceptions. First, you must exercise more care and control with regard to heating and cooling stainless steel. Second, its important to properly match filler metals with the material being welded.The Essential Exhaust Choice: Aluminized or Stainless?Several different grades of stainless steel exist, with either 304 or 409 stainless steel being the most common for exhaust systems. 304 steel is part of the austenitic class of stainless grades and are identified by having at least a 16 percent chromium content with trace amounts of nickel and manganese and have extremely low carbon counts to question about stainless steel 304 vs 409 welding nasioc

Stainless Steel: What you need to know - Ryerson

Every grade of stainless steel falls under one of five families: 1. Austenitic 2. Ferritic 3. Martensitic 4. Duplex 5. Precipitation Hardening . Austenitic stainless steel represents roughly 50% of the stainless steel used today. In fact, two of the most widely used stainless steel grades fall within this family: 304 stainless steel and 316 question about stainless steel 304 vs 409 welding nasiocStainless Steel Welding Wire Flux Core For Your Home Welder?Dec 07, 2020 · Thats the usual advice for MIG welding stainless steel. And for the most part thats true, But, theres another option: Stainless steel flux core welding wire. Available Stainless Steel Welding Wire Thats Flux Core. Youll find stainless steel welding wire on Ebay. Welding wire that claims to be gasless stainless steel flux core wire.Stainless Steel MIG wire, 5 Best and 10 Welding TipsNov 30, 2020 · Point 1 covered the various types of commonly found stainless steels, Now let us take a look at the stainless steel MIG welding wires you should look for to match the steel you plan to weld. ER308L MIG welding wire is typically used to weld 302, 304, 321, and of course 308 type stainless

Stainless Steel Grades and Families: Explained - Unified question about stainless steel 304 vs 409 welding nasioc

Theres two main labels youll find on most stainless steel alloys: 1. Families 2. GradesBut what can you learn about these alloys from their labels?Plenty, if you know what to look forSee more on unifiedalloys question about stainless steel 304 vs 409 welding nasiocStainless Steel Electrodes - ESABAustenitic stainless-steel electrode producing a weld metal with less than 5% ferrite. The tough weld metal has excellent crack resistance, even when welding steels with very poor weldability. Suitable for joining 12-14% manganese steel to itself or other steels.Stainless Steel 304 316 310 question about stainless steel 304 vs 409 welding nasiocTig Welding Stainless Steel. question about stainless steel 304 vs 409 welding nasioc (Question of stainless steel) > question about stainless steel 304 vs 409 welding nasioc Stainless Steel 304 316 310 question about stainless steel 304 vs 409 welding nasioc

Selecting Filler Metals for Stainless Steel Welding

For welding 304 to itself, use a 308/308L filler metal that offers a matching chemistry. Additionally, 309/309L is recommended for welding 304 to carbon steel or for the barrier layer for overlays on carbon steel. The 316/316L types of stainless steels contain molybdenum (Mo) and are commonly used in more corrosive applications than the 304 type.Questions about stainless steel tube bending applications question about stainless steel 304 vs 409 welding nasiocWhile scores of stainless grades are available, alloy 304 accounts for nearly 50 percent of all stainless steel produced, which is followed by 316 (marine grade) and 409, a ferritic alloy used heavily in the automotive market. Alloys in the 300 seriesaustenitic, high-nickel gradesare making their way into high-volume applications such as automotive exhaust systems for appearance, strength, and corrosion resistance. Meanwhile, some See more on thefabricator question about stainless steel 304 vs 409 welding nasiocQuestion about Stainless Steel 304 vs 409 welding - NASIOCMar 30, 2012 · Question about Stainless Steel 304 vs 409 welding I am wanting to purchase a S/S down pipe and ADD a cat converter to the new DP. I cannot find a 304-S/S cat to save my life.

Outdoor wood furnaces : Stainless vs mild steel boilers

Oct 14, 2010 · We have been in the business of outdoor units for many years. We sell all three, mild steel, 409 stainless and 304 dairy grade stainless. Yes, they will all do the same job for a while. No, I have never seen 304 grade crack. Mild steel is the cheapest and 304 is the most expensive. 409 is middle of the road. There is a reason for that.Is stainless steel the same as 409?Note: Stainless Steel Systems Are NOT All The Same. There are two grades of stainless steel commonly used in exhaust systems: 1. 409 stainless. 409 has become the defacto material of choice for most new vehicle manufacturers, mostly because it offers an excellent compromise between strength, resistance to corrosion, and cost.See all results for this questionIs 409 easy to weld?In your case type 409 is incredibily easy to weld. By far the most typical application for a type 409 is exaust systems . Typically you use a ER409 ( most popular ferritic stainless filler. It is available in flux core, metal cored form but not MIG wire Thanks for clearing that up. Paul Yeah, I am welding some exhaust parts..See all results for this question

Is 304 stainless steel better than 409?

However, 304 stainless wont rust out for at least 20 years. 409 stainless, which contains less Chromium and is therefore less expensive, wont rust out for at least 8 years. Stainless steel sounds different/better . Not reallythe sound difference between exhaust systems is almost exclusively the result of muffler design.See all results for this questionHow To: MIG Welding Stainless SteelEven though most of the welding machine manufacturers have included a table of materials and voltage settings in the machine, it is highly important for you to pick the right kind of gas and electrode wire to be used for MIG welding stainless steel. Alternative gases that you can use are 98% Argon and 2% Co2 or 98% argon and 2% oxygen mix. Mode of Metal TransferGas/stainless steel 304/carbon steelMar 18, 2004 · The 309 wire mentined is recommended for welding carbon steel to stainless steel because it is higer alloyed and won't form martensite, which might crack. If you are just welding 304 to 304, the less expensive 308 wire should work fine.

Do I Need A Stainless or Aluminized Steel Exhaust System question about stainless steel 304 vs 409 welding nasioc

Wrong. Despite its name, stainless steel is NOT stain proof. 409 stainless, in particular, will often take on a reddish hue. 304 stainless steel can discolor under extreme heat, and may not always polish back to the original shine. 304 stainless can also become pitted.DESIGN GUIDELINES FOR THE SELECTION AND USE OF Reference is often made to stainless steel in the singular sense as if it were one material. Actually there are over 50 stainless steel alloys. Three general classifications are used to identify stainless steels. They are: 1. Metallurgical Structure. 2. The AISI numbering system: namely 200, Cleaning of 304 Stainless Steel - China Guanyu Stainless question about stainless steel 304 vs 409 welding nasiocThe stainless steel wool will leave a permanent mark on smooth stainless steel surfaces. Many of these uses of stainless steel involve cleaning or sterilizing on a regular basis. Equipment is cleaned with specially designed caustic soda, organic solvent, or acid solutions such as phosphoric acid or sulfuric acid (strongly reducing acids such as question about stainless steel 304 vs 409 welding nasioc

409 Stainless filler question - TIG - Miller Welding question about stainless steel 304 vs 409 welding nasioc

I haven't done tig since class. When I do get around to welding we do mostly stick at work. I want to do some intercooler piping for a friend and we got some scrap plumbing from a local muffler shop. The pipes are 409 stainless. I am looking thru my pocket guide and can't come up with a filler for TIG. MIG is suggesting 308l, 309, or 316.304 vs 316 Stainless Steel - The Pros and Cons | Arthur HarrisBoth steels are durable and provide excellent resistance to corrosion and rust. 304 stainless steel is the most versatile and widely used austenitic stainless steel in the world, due to its corrosion resistance. 304 stainless is also cheaper in cost compared to 316, another reason for its popularity and widespread use.

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