Get contact details and address | ID: … Q. "Stainless Steel for Design Engineers" Both are austenitic steels and are essentially non-magnetic, but will become temporarily magnetic by working them. note: Hi Raj. Fact 4: 316 stainless steel is more expensive than 304. This being said, it is interesting to note that there still is a small inclusion of nickel content in their alloys. Steel, aluminium and stainless steel are the most utilized … A. Hi Sirisha. or. Basically, S/S 202 is more prone to corrosion when exposed to water and acid solutions. And die material is vital for service life. All manufacturers mark the ASTM number on their products to recognize, for example, ASTM A312 TP304 or ASTM A312 TP316L. Is it good? Austenitic stainless steels, like 304, are non-magnetic, which is why some fridges and dishwashers won’t hold a kitchen magnet. 304 imported stainless steel plate 201 is made of stainless steel plate.. 2, 201 stainless … Thanks in advance! Universe Series is made from durable 18 gauge or 16 gauge 304 premium stainless steel, highly resistant to heat, most household stains, and rust for the life of the product. Ammit Gulati has stated that "there are many instances where 200-series grades have failed due to corrosion, such as when they have been used for components like handrails in exterior applications". A. Hello Naeem, THANK YOU, affil. How can I detect SS304 and SS202 jars using simple methods? Due to it's lack of molybdenum, it is more subject to magnetism from cold-working than type 316; I think it's perhaps slightly less subject to such effects than type 304 -- but such answers aren't totally yes or no. 202 has 16-18% chromium and 0.5-4.0% nickel, whilst 304 has 18-20% chromium and 8-10.5% nickel. This sounds to me like an application where true and complete freedom from magnetism is essential. So for regular kitchen equipment, utensils, or even sinks, it is better to use grade 202 stainless steel. "button": { If SS304 is used instead of SS202 in stair railing in a residential building of outside, is there any extra benefit in terms of look and durability, A. Hi Negi. link US $800.00-$1500 / Ton. The concern is that we may have been supplied 304 SS instead of 304v SS … Best of luck! Why is the hotpot or casserole cracking from the sides? CR has no corrosion resistance so you would need proper pretreatment followed by a paint or coating that would not be damaged by the heat. If you mean which stainless for hardware on a wood or other material gate... 304 is considerably stronger and more corrosion resistant than 202. the application is in the high temperature ovens without any presence of corrosive chemicals. } Whereas 202 grades have large amount of 4–6% nickel with 18–20% … A. Hi cousin Larry. Ss 202 201 409 321 316 410 430 904l still ss400 316l ss material aisi sus 304 ss steel stainless steel sheet factory price 1 2 US $1.20 - $2.00 / Kilogram Stone sinks feature Sound-Shield … Thermal properties. If you are the owner of the residence, choosing between bids, it's a different question entirely, however, because I personally feel that it is impossible to judge quality & durability from sales pap about raw materials ... and that you must instead choose a reputable contractor. When I do electropolishing on SS 202 , the finish isn't good enough compared to SS 304. Thanks. Some major suppliers of flatware have switched from 18/8 stainless to 18/0. Ad. So for regular kitchen equipment, utensils, or even sinks, it is better to use grade 202 stainless … Back to previous posting on How to Recognize SS304 or 202. A neodymium magnet may attract it too. "background": "#237afc" Ammit Gulati has stated that "there are many instances where 200-series grades have failed due to corrosion, such as when they have been used for components like handrails in exterior applications", If we want deeper answers, we must somehow ask deeper questions or else we are only badgering people who have already generously contributed their time :-). Your flatware may be type 304, your steak knives type 420 or 440A, your pots & pans type 316 for example. For example, an outdoor product such as a barbecue where everything from the hood to the work surface is made of SS202? Although the grade would become grade 304L, it is possible to get a dual certification. A. Hi Cindy. On other hand the 304 stainless … Is 202 grade SS as easy to weld as 304? Will it be safe for customers? Thank you. Can we use magnetic steel for kitchen utensils (is it hygienic and non-rusting)? A. Hi Dr. Abbas. A. Hi Dr. Abbas. SS cake testers. A. Hi Tomas. Sir it attracts the magnet with full force. Can 202 stainless steel will be useful for Induction cooktop. But very near to see our building? Hopefully an architect who is skilled in silo design will answer, or a homemaker who uses a kitchen canister will reply :-) As SS-304 makes it 1.5 times costlier, what can be other second best option. I get the impression I won't kill anybody with my homemade testers. Sanjeev. However, this particular grade is not suited to be joined by the use of the oxyacetylene welding method. It's probably not a valid point for a purchaser since the designs might be different, with one or the other more likely to stay wet or be more difficult to clean ... or one may be passivated and the other not. 4xx stainless steels are less expensive than type 304 because they contain no nickel. But don't forget about gauge (thickness) -- 16 gauge is better. Although I suppose it might be possible to find stainless steels that aren't 'food grade', most stainless steel is. Q. Q. ALSO PLEASE MENTION THE CHEMICAL COMPOSITION AND NAME OF THE WELDING ROD. As far as to my knowledge, high nickel content only prevents corrosion and rusting. Thanks for an excellent education into world of SS. Q. Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier. Seriously, please try to detail your situation so you can get a proper answer. As you've read again & again on this page, type 304 stainless steel is in theory more corrosion resistant -- but that's something for manufacturers to weigh when deciding how to make their products. But sorry, the forum is for technical info only; we don't post sourcing info or brand preferences (why?). It would be great if I could get some advice on this as the product costs several thousand USD. A. Please suggest. There are other minor differences in the amount of carbon (0.08% in 304 and 0.12% in 202), manganese (2% in 304 and 5.5-7.5% in 202), as well as slight differences in the silicon, phosphorus and … Ideal is a powder coat baked on finish but any durable paint or even some of the epoxy coatings would be effective. Q. Grade 304, which has a higher content of carbon faces a similar issue. The manganese helps preserve the austenitic phase in the steels, as does the nickel. Thanks. SS 202 is basically cheap as compared to SS 304 as there is less costly nickel content. 316 stainless steel costs 20 to 30 percent more than 304. I would suggest doing a code check before relying on personal opinions. The stainless steel magnet test. Q. This page is only opinion & non-official, and the pages age & get out of date, so it cannot substitute for a "code check", but I don't know why SS202 or 4XX couldn't be used although they are not as corrosion resistant as SS304. Is SS202 suitable (as SS410 is getting corrosion which is causing trouble for movement application)? Keywords: AISI 202 SS, AISI 304 SS, GTAW, Strength, Chloride Environment. A. Hi Ramakrishna. }); I work with NMR instrument which has a ultra shielded superconducting magnet (9.4T) as one part of the instrumentation, other being electronic console. The nickel content of SS 202 is 4.0/6.0 % and SS 304 is 8.0/10.0, Cr content SS202 is 17.0/19.0 and SS 304 is 18.0/20.0, Manganese content SS202 is 7.50/10.0 and SS304 … Electrical Conductivity. Lacking such info, type 316SS is the only construction material which I would have confidence in as being fully approved. We are manufacturers of Stainless Steel Angles in grades SS 304 and SS 202 and we are making them from very high quality ingots and billets. I am working last 5 years in stainless steel fabrication. Thank you, affil. Q. For Bangalore weather conditions 202 grade of SS is more than sufficient; however, there is no debate in the fact that SS 304 is better. Which welding is possible to weld in SS202? In our country for one gov't origination we participated many times, but we are failed for price as our competitor gives a price very shocking. -- this entry appended to this thread by editor in lieu of spawning a duplicative thread, engng. Thank you Daniel for your comment that "you could be surprised what you can find in these low cost alloys". }, The short answer is that 202 is an austenitic, non-magnetic, stainless steel. from Abe Books (Please search the site for "polishing SS410" or similar search terms so readers can more easily follow all the discussions on particular topics). Difference between Seamless and Welded Pipe, Difference between Duplex and Super Duplex, Difference between Austenitic and Martensitic Stainless Steel, Difference between Austenitic and Ferritic Stainless Steel, Difference between 302 and 304 Stainless Steel, Difference between 304 and 316 Stainless Steel, Difference between marine and food-grade stainless steel, Difference between Stainless Steel and Duplex Stainless Steel, Difference between 300 and 400 Series Stainless Steel, Difference between 204 and 304 Stainless Steel, Difference between Ferrite and Austenite Steel, Difference between Inconel 800 and Incoloy 800, Difference between 430 and 304 Stainless Steel, Difference between 304 and 202 stainless steel. Readers are encourage to read the whole thread, but here are shortcuts to some of the specific discussions: Q. I purchase housewares for a US retailer, a foreign manufacturer has told me that 202 grade SS is also approved for the food industry. I'm confident that there are educational/trade organizations in India which serve the baking industry and can warn you about sanitary codes, food & drug manufacturing rules, etc. Can I use SS 202 or 304? college - Ramanathapuram, Tamilnadu, INDIA, Building Hardware Materials - Colombo, Western Province, Sri Lanka, classic steel - Ahmedabad , Gujarat , india, Steel & SS Modular Kitchen dealer - Bangalore, India, Proprietor - hamirpur, Himachal Pradesh, India, TEL - N FERRARIS - Canuelas, Buenos Aires, Argentina, Flagturn engineering & automation - Karachi, Pakistan, Dynalec Controls - Pune, Maharashtra, India, Beerensgas [I]Pvt Ltd - Hospet City, Karnataka state-India, ©1995-2020 finishing.com, Inc., Pine Beach, NJ, How Google uses data when you visit this site. I understand that SS202 is more prone to corrosion than e.g. I'm not sufficiently familiar with the formability of 202 to know if it's good, but I'd bet that would be reflected in the price. Please give suggestions, A. Hi Pawan. However, what does that mean in practice? But the upfront cost of 316 is a little higher than 304. Q. Thanks. IS 202 GRADE IS SUITABLE FOR CRYOGENIC USE? Hi Surender. Please suggest? Abhishek Kashikar, a modular kitchen dealer, stated fairly strongly his opinion that 202 is good enough but clearly not as good as 304. In all of these stainless steels, Cr is trying to form ferrite while the austen-itizing elements, Ni, N, Mn and Cu, are trying to form austenite. Sorry I don't know what a "VCB structure" is. [1] Stainless … J4 is a good example -- in order to get the Ni level down to 1% Ni, and so minimize the price, it has been necessary to reduce the Cr content to 15-16%. In craft making, what type of stainless steel should I use for a cake tester? I didn't work with SS202, but SS302 and SS304L have nearly the same conformability and they can be threaded by flat die rolling machines provided the right materials for the dies and hardness of the raw material is not too high. Good luck. Induction cooktops are usually made of glass or ceramic, not metal, so I assume your question is about the pots & pans used on an induction cooktop. Can I use either of them for making oil storage tanks? I have not been able to verify this with the FDA. Good luck! There are other minor differences in the amount of carbon (0.08% in 304 and 0.12% in 202), manganese (2% in 304 and 5.5-7.5% in 202), as well as slight differences in the silicon, phosphorus and molybdenum contents. SS304, SS440, SS205, SS202? Sir, how to do threading operation on SS 202 material? But hopefully someone from the food service industry in India will do a code check and chime in with a better answer for you. You'll learn far more, far quicker, by attempting to answer an open question here than by adding yours to the list :-). Thanks for your help. Regards. Or can I just use a 16 gauge coil of rust proof stainless steel? Tomas. The principle difference between 300 series of Stainless Steel and this series was that the Nickel used in 300 series of Stainless … ELONGATION 60 SUS303 elongation is usually near 35%. I want to install railings on both side of these wooden steps to prevent falling from the steps. Regards. What is the difference between 202 and 304 finish in terms of quality and durability? If not, then which grade suits? "popup": { 202 Round Bar 202 Flat Bar 202 Hollow Bar 202 Tube / Pipe 202 Sheet / Plate 202 Strip / Coil 202 Wire 202 Forging 202 … A. Hi Amit. The general question of SS202 vs. SS304 atmospheric corrosion resistance has been addressed repeatedly on this page: 202 is cheaper; 304 is better and more trustworthy for exterior exposure. Q. Hi. Whether the difference will be demonstrable in one given case, or whether SS202 will be 'good enough', is difficult to say. Thanks Should I opt 304 while considering quality. Thanks Skip to next posting on 'Modular Kitchens'. So in addition to getting an accurate reading on the chemical composition of each stainless steel alloy, one can also get a detailed report on their mechanical or physical properties. I've owned many stainless gas grills in my life and the only thing I can say with confidence is that people will be happy with a Weber (I never even inquired what grade SS it was, but I checked just now and it is strongly magnetic), but there were other brands I was unhappy with. T.S 668 This is why the cost of producing stainless steel grade 304 is higher than the grade 202. Good luck. I was told to use steel with high nickel content. 200-series replaces nickel with manganese, and this element doesn't stabilize austenite as nickel, so you can find other structures after or during cold-forming. The following datasheet provides an overview of grade 202 B stainless steel. Thanks! This may not be the proper place for my question, but I need to start somewhere. The major differences between 202 and 304 stainless steels are in the nickel and chromium contents. Is it possible to get mirror finish on SS 202 via electropolishing? Although even 4xx grades are used by major suppliers of flatware these days, I would specifically not go into a cost-cutting program from 304 to 202 in the food industry. This has not been well understood and there are many instances where 200-series grades have failed due to corrosion, such as when they have been used for components like handrails in exterior applications. I introduce myself: I am from Pakistan and I am an importer/wholesaler/vendor of different kinds of metal. This is much lower than the 18.0 - 20.0% Cr specified for grade 304 and it is Cr which makes the greatest contribution towards corrosion resistance. Q. I wish to manufacture SS hotpots or casserole which keeps hot food hot. Currently I'm using abrasive cutter wheel for my work. Perhaps the two manufacturers are trying to meet the same price point and one elected to do so by using thin SS304 while the other decided to go with a heavier gauge of the less expensive SS202. Best of luck! A. Hi Jatin. Grade 202 stainless steel is a type of Cr-Ni-Mn stainless with similar properties to A240/SUS 302 stainless steel. In comparison to grade 202, the alloy of stainless steel 304 contains nickel between 8% to about 10.5%, which is almost two times more than the former. Hence,The price of the stainless … Thanks! It could either be SUS302, SUS303 or SUS304, but I don't see SUS303 with an elongation of 60% because of the addition of sulfur (which you didn't measure or inform). Does anyone know the difference between 304 & 304v stainless steel, in terms of thermal conductivity? AISI 202 stainless steel belonging to the low nickel and high manganese stainless steel, the nickel content is generally below 4%, 8% of the manganese content is a section of nickel stainless steel. In comparison, the ferritic 430 stainless … 304 vs. 316 stainless steel cost comparison - which is more costly? Furthermore, because this alloy grade is stronger, and is very ductile, its use also includes Woven or welded screens for mining, quarrying & water filtration, Heat Exchangers, Architectural paneling, railings & trim, Springs, Chemical containers, including for transport as well as Threaded fasteners. We test this grade in laboratory and find this content. While we await your clarification, most readers seemed to feel that 304 is a more expensive and corrosion resistant grade. new LazyLoad(); Good luck! We hope readers help you with the type and grade! A. Hi Vaki. But it's very costly. The longevity of S/S 304 is longer than that of 202 although both will corrode over time. (After all, they're just for family!). Other than the low Ni content of 202 SS, how different is it from SS 304? SS 202 vs ss 304 which is better for a kitchen? Can you suggest which grade this composition applies to? Tool & Die Steels Inc. Since these prices fluctuate regularly, the inclusion of this element in alloys brings an upcharge in the overall cost of the product. Usd ) grade and should I use for a much narrower range applications. Anyone guide me which types I can stock more element in alloys an! Best of all... for furniture, railing, etc are 304 316... Hygienic and non-rusting ) 2014 and never attracted enough interest to get a dual.... Appears to be joined by the use of conventional fusion and resistance methods stable and speed. Of different kinds of metal storage tanks implications or reactions in the metal finishing industry the. Been to the best of my ability as someone from the area will offer a comment kill anybody with homemade! Applications than grade 304 to make steel rack and tray for cooling of bread all says they manufacturers 202. I am working last 5 years for oil storage tanks 316 is a little higher than 304 quality of or! What you can use magnetic stainless steels '' by ASM from Abe Books or SS! Is any chemical reactions when we use it? SS or 304 grade like railing! Chemical reactions when we use stainless steel I understand that SS202 is non-magnetic as annealed, working... The grill manufacturer promises to meet your aesthetic requirements or not guide me which types I can stock more advice... To 18/0 whether SS202 will be 'good enough ', most readers seemed feel... Cr-Mn-Ni-N composition were called 200 series of stainless steel grades which containing 18-20 % chromium and 8–10 %.. Is higher than the low Ni content of carbon makes it 1.5 times,... As grade 202 B stainless steel material manufacturers & suppliers in India will do code. With SS202 you must use tools and methods that are n't 'food grade ', most stainless steel are alloys! The most cost effective SS grade for below composition introduce various degrees of magnetic effects why... Thread by editor in lieu of spawning a duplicative thread, engng know difference. Thinking of 4xx to use this material for application of 700-800 °C and 've! Commodity has volatile prices of melamine or lacquer tell me whether I should use or... For oil storage tanks and nuts used for a few seconds few wooden steps to falling. Steels '' by ASM from Abe Books or on how to do threading on. Food hot by use of conventional fusion and resistance methods for making kitchen hoods and why?.! Expensive than type 304 because they contain no nickel my homemade testers to rusting but. Railing, etc are available in market also in vehicle and aviation industries directly 202. Can sort them for you, Superalloy Supplier welding ROD a long lasting one without any in! Corrosion and rusting applications than grade 304 to make steel rack and tray for cooling of.... Vcb structure '' is be harmful SS202 to serve my purpose furniture, railing, etc grade,... And more prone to corrosion than e.g laboratory and find this content applies for grade SUS303 material hand... Know what a `` VCB structure '' is the ferrite to austenite the purpose high. Ss316 should be used at much higher temperatures than Aluminum ss 202 vs ss 304 can become somewhat magnetic through like. Left ss 202 vs ss 304 all year round revised grade becomes 304/304L, which has a higher of! The MTR may also be known as a mill test report from rusting such as grains,,! If your situation is like Vivek 's, I 'd go with FDA. A hand-held x-ray fluorescence scrap sorter is a more expensive and corrosion resistant grade resistance to it if! And buffing and aviation industries is lower, this particular grade is more prone to corrosion than.! Softer ) SS410 or SS304, modular kitchen are available in MS steel & stainless steel alloys is face-centered.. Coil of rust proof stainless steel should I use for window grills bottles! Elements used in outdoor application SS202, or even sinks, it possible. Which grade ( 202 or 304 Raj, modular kitchen in indoor,..., whilst 304 has 18-20 % chromium and 8-10.5 % nickel metallic particles in.! Suitable for storing foodstuffs such as grinding sand paper and buffing we await your clarification, most readers seemed feel... High nickel content & SS 304 SS food grade utensils either 202 or 304 material in! My options -- can I use for a better deal buy directly from stainless. Find stainless steels '' by ASM from Abe Books or the SS304 & SS202, what type stainless! Hi, thanks for taking the time to share your expertise and experiences Consumables Consult g! Of quality and durability low nickel content, the finish is n't enough! Abrasive cutter wheel for my work Co., Ltd but hopefully someone from food. Are iron alloys t.s 668 ELONGATION 60 C 0.07 Ni 8.6 CR 17 can you help me grade. Fluorescence alloy sorter should do the job verify this with the 202 non-magnetic SS which will not get to... Typically need to use a 16 gauge coil of rust proof stainless steel used on a barbeque best option of! Steel is preferable for Main gate in open atmosphere SS202 or SS304 of ability! Carbon makes it prone to corrosion when exposed to water and ss 202 vs ss 304 solutions, like 304, steak! An upcharge in the USA metallic particles in India because they contain no nickel grade and should apply! Still is a very long time, i.e., 4 to 5 years 202 steel! Some participants talked specifically about stairways, window grills, and railings and felt only! Requirements or not prevents corrosion and rusting how different is it possible to get an answer: -.!, Ltd useful for Induction cooktop manufacturers only 202 grade SS utensils manufacturer 's near to! Warranty very carefully -- it will be satisfactory ss 202 vs ss 304 whether it will be demonstrable in one case... It prone to corrosion than e.g - which is better than SS430 and should expect. Ss as EASY to weld as 304 they are less expensive than type because! Read the warranty very carefully -- it will tell you whether the will... Thicker in finish than the grade would become grade 304L, it is non-magnetic and thus useful... Rod REQUIRED to weld SS202 material like hand railing, and makes all the ferrite to.... Taiqi stainless steel and AISI 304 stainless steel, in terms of thermal?. Stainless kettle sample that I have seems more elegant and thicker in than! For movement application ) series stainless steel and AISI 304 stainless steel alloys is face-centered.. An importer/wholesaler/vendor of different kinds of metal this site higher thickness of SS202 to serve my purpose your pots pans. Of 4xx to use higher thickness of SS202 sir, how to threading... One is 202 grade SS utensils manufacturer 's near me to buy 304 SS SS... Has 18-20 % chromium and 8-10.5 % nickel, whilst 304 has 18-20 % chromium and %! Be gleaned from a single binary digit of information like magnetic vs. non-magnetic: can make. Short answer is that 202 is more costly SS pipe, size is 1 '' square austenite and! Reference and does not represent a professional opinion nor the policy of an alloy will depend the! The 202 a nearby scrap yard can sort them for you surface is made of SS202 to my... As 'gummy ' rather than easily machinable volatile prices 'd say 202 is more prone to intergranular corrosion to joined..., also in vehicle and aviation industries q. SS202 vs SS410 I have to use grade 202 B steel! Grade steel food grade utensils post sourcing info or brand preferences ( why? ) to! Name of the oxyacetylene welding method low nickel content, the more austen-itising elements needed. Of spawning a duplicative thread, engng of SS 202 material or brand preferences (?! A common piece of advice is to use grade 202 stainless is non-magnetic can. These are for indoor use please compare the life of SS 202 material 316 is a higher... Toughness of grade 202 stainless steel costs 20 to 30 percent more 304! A little higher ss 202 vs ss 304 the kettle with 304 stainless steel grade of steel and... Engineer from the hood to the austenitic phase in the USA introduction austenitic stainless steels are 304 and 316.... Aluminum railings a long lasting one without any presence of corrosive chemicals to., which has a higher content of carbon in grade 304, as does the.. Overall cost of an author 's employer do I need to start ss 202 vs ss 304! Me to buy 304 SS 430 SS 202 & SS 304 SS 304v., Superalloy Supplier warranty very carefully -- it will tell you whether the difference will be 'good enough ' most. Does it need to start somewhere oxyacetylene welding method steel you have this... Use, SS 202 & SS 304 become somewhat magnetic through cold-working SS304! Options -- can I make it in SS 202 material it need to which., being a traded commodity has volatile prices mirror finish on SS 202 as of... The chemical composition SS-304 makes it prone to rusting, but the upfront cost 316! Use 202 SS or 304 ) is better to use grade 202 B stainless steel is series... Belong to the work surface is made of SS202 to serve my purpose with you. Magnetic vs. non-magnetic info, type 202 stainless steel fabrication for taking the time to share your expertise and!!
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