The low carbon provides resistance to sensitization during welding and other thermal processes. They apply to all wrought product forms including ingots and semifinished material. The molybdenum allows ss 316 to be more resistance to corrosion overall, with specific resistance against chlorine pitting. Chemical composition as represented by astm a240 and asme sa240 specifications are indicated in the table below. Type 321 is stabilized against chromium carbide formation by the addition of titanium. The nitrogen content in this steel provides solid solution hardening, and raises its minimum specified yield strength. If i had a dollar for every time i get asked that question whats the difference between 304 vs.
Kad group of companies provide stainless steel chemical composition table chart. Corrosion resistance of ss316l in artificial urine in presence of dglucose. Stainless steel 310310s is an austenitic heat resistant alloy with excellent resistance to oxidation under mildly cyclic conditions through 2000f. Astm a312 stainless steel pipe specification standard specification for seamless, welded, and heavily cold worked austenitic stainless steel pipes. Its general characteristics are comparable to that of the grade 316 l 1. Stainless steel chemical composition, chemical composition. The supplier must send the above filled technical compliance sheet along with the offer. Mar 04, 20 chemical composition mechanical properties other designations applications. Outwardly, 304 stainless steel and 316 stainless steel look very similar. The chemical composition of both materials was listed in table 1. Ss 316l is available from hamilton precision metals as strip product from. Mechanical and structural properties of ductile cast iron m. Types 316, 316l, 317 and 317l are more resistant to atmospheric and other mild types of.
This specification is for information purposes only. They are useful in sulfuric acid environments up to 150 f 60 c when concentrations are below 5%. Stainless steel 304lss304l is an extra lowcarbon variation of ss304 with a 0. Many researches were concentrating on coating wear resistant. Stainless steel grade 316ln is an austenitic type of steel that is a low carbon, nitrogenenhanced version of grade 316 steel. Chemical composition as represented by astm a2 and asme sa2 specifications are indicated in the table below.
Stainless 316, 316l, 317, 317l united performance metals. The stainless steels in each family have general similarities, but there is also a wide range of corrosion resistance and other characteristics. Composition weight percent in most applications alloy 316316l has superior corrosion resistance to alloy 304304l. Stainless steel 316 sheets manufacturers, ss 316l plates. High performance stainless steels nickel institute. Other areas such as heat treatment, welding, machining, hot and cold working, hardening, work hardening and applications are also outlined. Stainless steel 316 is a chromiumnickel based steel that possesses increased levels of resistance against several substances, due to the addition of molybdenum in its composition.
Both aisi 316 vs 316l stainless steel are molybdenum mo containing austenitic stainless steel grades. Bottle greenmarigold introduction atlas 316 is the standard molybdenumbearing stainless steel, second in importance to 304 amongst the austenitic stainless steels. S31603 is a chromiumnickel molybdenum austenitic stainless steel developed to provide improved corrosion resistance to. Covered in thsi document are the physical and mechanical properties of 316l stainless steel. Chemical composition according to din % physical properties austenitic stainless steel with an excellent corrosion resistance.
Types 316 uns s31600, 316ls31603, 317 s31700, and 317l s31703 are molybdenum bearing austenitic stainless steels which are more resistant to general corrosion and pittingcrevice corrosion than the conventional chromiumnickel austenitic stainless steels such as type 304. A laserassisted direct metal deposition dmd system was used to perform deposition of copper. One exception, however, is in highly oxidizing acids such as nitric acid where stainless steels containing molybdenum are less resistant. Pdf functionally graded ss 316l to nibased structures. In order to assis t the reader in this selection, euro inox makes the following tables of technical properties available. Type 304l is a lower carbon variant of grade 304 the steel can be welded without the resulting issue of carbon precipitation precipitation of chromium carbide as heat is applied during the welding process which depletes the chromium element of the steel thus reducing its anticorrosiveoxidation effectiveness. Its high chromium and nickel contents provide comparable corrosion resistance, superior resistance to oxidation and the retention of a larger fraction of room temperature strength than the common.
Technical compliance sheet bharat heavy electricals. The molybdenum gives 316 better overall corrosion resistant properties than grade 304, particularly higher resistance to pitting. Mechanical and structural properties of ductile cast iron. The main difference between 316 and 316l stainless steel is the level of carbon content, weldability, corrosion resistance and mechanical properties.
Both ss316 and ss316l have exceptional resistance to corrosion against sulfuric, hydrochloric, acetic, formic, and tartaric acids. Stainless steel 316l ss316l is the extralow carbon version of ss316 that minimizes harmful carbide precipitation during welding. The chemical composition of our melts before and after treatment and the nodularizing alloy fesimg 5% used for the treatment of melts is listed in table 1, 2, and 3. Pdf corrosion resistance of ss316l in artificial urine. Most astm and asme standards list the steel grades by their uns unified numbering system numbers but also make reference, where appropriate to the more general aisi american iron and steel institute grade designations. They show excellent corrosion resistance to acetic, formic, phosphoric, and tartaric acids as well as some concentrations and temperatures of bromide and. Both are nonmagnetic, austenitic, and nonhardenable through heat treatment. Ss316l and inconel 625 was performed by inserting an intermediate layer composing of 50% ss316l and 50% inconel 625 16. The pore distribution for the ss316l foams with 20 wt. Petroleum engineers steel products manualstainless and heat. Cut to length round bar, cut to size plate, cut to size sheet, 1. Chemical composition mechanical properties other designations applications. Aisi 316 vs 316l stainless steel, difference of ss316. For severely corrosive environments or when welding is required, type 304l is preferred because of its greater immunity to intergranular corrosion.
The aim of this research is the study of electrochemical corrosion behavior of ss 316l in artificial urine in. They are the austenitic, ferritic, and duplex austeniticferritic families. There are three primary classifications within the highperformance stainless steels. Ss 316l is an austenitic chromiumnickel stainless steel with superior corrosion resistance. Feb 18, 2004 316l is the low carbon version of 316 stainless steel. The selection of the appropriate stainless steel grade for each applic ation is the result of variou s considerations. The material conforms to ams 5507, astm a240, fed qqs766 and. Joining of copper and stainless steel 304l using direct. Other than that, figure2f show the samples with the composition of 20 wt. 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. They have been used for many industrial, architectural, chemical, and consumer.
Type 316l is used extensively for weldments where its immunity to. Process environments that do not corrode alloy 304304l will not attack this grade. The contents of this website are presented for information purposes only, and while effort has been made to ensure their accuracy, they are not to be contrived as warranties or guarantees, expressed or implied, regarding the products or services described herein or their use or applicability. The low carbon content reduces susceptibility to carbide. Chemical compositions of aisi astmasme and uns austenitic stainless steel grades introduction aisi astm asme and uns. The crystallographic structures and chemical composition of crc films were investigated by xrd and xps. Chemical composition of stainless steels flat products. Influence of crc film composition on electrical and. Both ss304 and ss304l have excellent resistance to a wide range of atmospheric, chemical and petrochemical, and food industry corrosions. It can be seen that the formation of pore is dispersed each other. Alloy 316316l technical information robert james sales. However, we do not assume any liability for correctness and information is subject to change without notice. Icr between the coated ss316l sheets and carbon paper is as low as 1. Department of mechanical engineering, the university of utah, salt lake city, ut 84112.
Stainless steel 316ti is also known as aisi 316ti, supra316ti, nirosta 4571, polarit 761, and remanit 4571. Stainless steel 304, ss 310s, ss 316 chemical composition. Chemical composition specification values in %, according to astm a276. The chemical composition of the melt before treatment. Global metals takes no responsibility for the suitability of the steels referred to in this. Joining of copper and stainless steel 304l using direct metal. A laserassisted direct metal deposition dmd system was used to perform deposition of. It is concluded that the film is composed of the metallic chromium, metallic carbide and amorphous carbon.
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