For more information, please check 304 vs 304l stainless steel and 304 vs 316 stainless steel. Chemical composition of stainless steel ss304 chemical. Corrosion rate of ss304 and ss316 in different parts. Tables of technical properties international stainless steel. When comparing the chemical composition of 321 ss and 304304l ss, it is clear that the chromium cr. I am thinking what to choose, ss304 or ss316 as the boiler. This disambiguation page lists articles associated with the same title formed as a letternumber combination.
If i want to change the steel from 304 to 316 l how much it will cost for approx. The main difference between 304 vs 316 stainless steel is the composition and corrosion resistance, ss304 doesnt contain molybdenum while ss316 contains 23% molybdenum. How to check visually or by small experiment the difference between ss304and ss316. However, to a manufacturer, the difference between stainless steel alloys such as grade 304. Pdf corrosion study of ss304 and ss316 alloys in atmospheric. Ss316 having high corrosive resistance in compare to ss304. Some people although try to explain the difference in terms of mechanical. Similar results as the effects of tritium could be observed for ss304.
Petroleum engineers steel products manualstainless and heat. Corrosion study of ss304 and ss316 alloys in atmospheric, underground and. Below we answer that question and discuss different applications where the grades are used. Is 316 stainless steel worth the extra cost over 304. Can i have my ss304 welds made by our compannies welders and use the wpspqr with ss316l. A wide variety of ss316 stainless steel material options are available to you, such as technique, grade, and standard.
Stabilised grades for heavy section welding and high temperature applications. Grade 316 is an austenitic grade second only to 304 in commercial importance. If i had a dollar for every time i get asked that question whats the difference between 304 vs. Ss304l have better weaving and welding characteristics. Ss304 and ss316 are one of the important stainless steel austenite material grades which are defined in american standards. Functional products provide the corrosion resistance and mechanical properties of stainless steel with lower cost than 2b and ba materials, because they are. The addition of molybdenum provides pitting resistance in phosphoric acid, acetic acid and dilute chloride solutions and provides corrosion resistance in sulfurous acid. Applications 316 stainless steel is often used in marine applications where the steel is constantly exposed to moisture. Engineering engineers amnd designers discussion forum. Chemical composition of 316 stainless steel download table. Cost difference between ss 304 and 316 l cr4 discussion. Recently a friend wanted me to help him tune a stainless steel volume used in the production of kitchen utensils, and finally i chose the ss201 and ss304, but i do not know which of. The most basic difference between the grades of steel is the presence of molybdenum in stainless 316.
Hello finishing forum i want to make a still for my personal use. With its highly alloyed chemistry 25% nickel and 4. Astm a240 asme sa 240 grade 304 sheet and stainless steel. Ss316 is better than ss304 in terms of corrosion resistance, heat resistance and certain properties, but the price is higher than aisi 304, for more details, please check stainless steel grade 304 vs 316, and 316 vs 316l. What is the difference between 316 and 410 stainless steel. Stainless 302, 304, 304l, 305 united performance metals. The aime undertook the publication, updating and sale of this manual after. The datasheet and specification are summarized in the following tables including chemical composition and properties. Standard duplex stainless steel high resistance to pitting and stress corrosion. The grade 304 stainless steel family of sae steel grades.
There is no major difference except that the two grades are referred in japanese and american grades. Stainless steel comparison of grade specifications. Alloy 904l is a superaustenitic stainless steel that is designed for moderate to high corrosion resistance in a wide range of process environments. Stainless steel 304lss304l is an extra lowcarbon variation of ss304 with a 0. Stainless steel 304 price per kg, stainless steel 316 price, ss 304 pipe prices, ss 304 tube price per pound, stainless steel tubing price, price of stainless steel sheet, plate, coil in india, stainless steel 304 price malaysia and stainless steel 304 price per kg in india. The molybdenum gives 316 better overall corrosion resistant properties than grade 304, particularly higher resistance to. Stainless steel 316l ss316l is the extralow carbon version of ss316 that minimizes harmful carbide precipitation during welding. What is the difference between ss201 and ss304 thread starter sdjsblues.
Abstractan experimental study has been made to examine the effect of alternating current on the corrosion of types 304 and 316 stainless steels in acidic aqueous sulfate. What is the difference between ss304 and ss316 stainless steel. Size stainless steel ss316 spool adapter in the kuriyama of america, inc. Download cover want a pdf of all the latest arthur harris. What is the difference between stainless steel grade ss304. The ss304 is having the 18% of the chromium and 8% of the nickel whereas ss316. My understanding of 430 is that not many people use it because it doesnt last and gunks extremely quickly vs 316. What is the difference between 316 and 410 stainless steel material. Per pound cost differential between ss304 and ss316 l. At the end of the day ss316l as well as ss316 and ss317 and to a lesser extent ss304 are pretty poor choices for tc as far as accuracy is concerned but people gravitated. Outwardly, 304 stainless steel and 316 stainless steel look very similar. The 304 grade stainless steel composition is given in table below. Passive layer was thickened in tritiated water for both ss316l and ss304.
Main difference between ss 304 and ss 304l is % of carbon content. If you have ever wondered what the equivelent to a grade 304 stainless steel in british, uns, european, swedish or japanese standards is, we have the answer. Comparison of passivation behavior of ss316l with that of ss304 in. A discussion started in 2000 but continuing through 2018. What is the difference between ss304 and ss316 stainless. Pdf wear and corrosion studies on ferritic stainless steel. Solved problem 4 type 304 stainless steel 304ss is amo. Download duckduckgo on all your devices with just one download youll get. Aisi 304 is a guidelinereference only and does not give minimum or maximum values regarding physical properties. Marlin steel on february 27, 2020 to the layman, the differences between one grade of stainless steel and another are easy to miss. Grade 316 is the standard molybdenumbearing grade, second in importance to 304 amongst the austenitic stainless steels. Types 302 s30200, 304s30400, 304l s30403, and 305 s30500 stainless steels are variations of the 18 percent chromium 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family.
The best corrosion resistance is achieved when the. We therefore have approved wpspqr for the welds needed for this product in ss316l. Ss316l is more compatible to tritiated water circumstance than ss304. Ss304 when tested as per specification refers to different standards of astm, bs etc. Both ss304 and ss304l have excellent resistance to a wide range of atmospheric, chemical and petrochemical, and food industry corrosions. Ss316 vs ss317 vs ss316l discussion in general vaping discussion started by macis, dec 16, 2015. Abstractbare stainless steel type 304 and 316 alloys were exposed to.
A wide variety of ss316 material options are available to you, such as coil. About 1% of these are steel sheets, 1% are steel pipes, and 0% are steel round bars. Both 316 and 308 grades of stainless steel have their practical applications. We are presently quoting a project that requires a design suitable for operation in a high saline environment. Comparison of passivation behavior of ss316l with that of. Thus, ss316 is also known as moadded version of ss304. The molybdenum addition also provides increased strength at elevated temperatures. Both are nonmagnetic, austenitic, and nonhardenable through heat treatment. Ss304, ss316, ss316l perforated sheet perforated sheets.
Comparison of passivation behavior of ss316l with that of ss304 in tritiated water solution. Corrosion study of ss304 and ss316 alloys in atmospheric. Types 316 s31600, 316l s31603, 317 s31700, 317l s31703 general properties types 316 uns s31600, 316l s31603, 317 s31700 and 317l s31703 are molybdenumbearing austenitic stainless steels which are more resistant to general corrosion and pitting crevice corrosion than the conventional chromium. Type 304 vs 316 ss304 vs ss316, difference between 304 and 316 stainless steel properties, strength, rockwell hardness, cost and price, corrosion.
At first glance, it appears that type 304304l ss is very similar to type 321 ss. Sus 304 austenite stainless steel is usually referred to as the japanese name for ss304 or aisi 304 stainless steel. Corrosion study of ss304 and ss316 alloys in atmospheric, underground and seawater splash zone in the arabian gulf. So what are the differences between 304 vs 316 stainless steel. What is the difference between ss201 and ss304 physics. Differences between ss304 and ss316 stainless steel. There are only subtle differences between these two types of stainless steel. Jul 3, 2012 what is the difference between ss316ss304 and ss316lss304l. Chin department of chemical engineering, clarkson university, potsdam, ny 676, u. Astm a240 grade 304 sheet is austenitic stainless steel stainless sheet and comes in many sizes, thickness and finishes.
824 73 997 423 669 717 1413 289 434 1203 295 320 856 790 1143 1000 138 1393 1431 596 1002 79 1170 140 1468 811 1253 888 616 418 477 1367 497 329 1080 765