Bi-Sb is the only material other than Bi 2 Te 3 that displays good thermoelectric performance near room … Alloy 20 is one of the so-called "super" stainless steels that was designed for maximum resistance to acid attack. This alloy is stabilized with niobium to resist intergranular corrosion. See if CN7M Stainless Steel is Right for Your Metal Casting Needs The 20% alloy has a ZT > 2, which is among the highest ever reported. Brass, which is an alloy made of copper and zinc, can be varied to create a wide range of brasses with varying properties, is widely used for decorative applications in antiques and ox finishes. You also have the option to opt-out of these cookies. Chemical composition 2 Nicrofer ® 3620 Nb – alloy 20 Nicrofer 3620 Nb is a low carbon, niobium stabilised austen-tic nickel-iron-chromium alloy with alloying additions of cop-per and molybdenum. Either way it is still great for corrosion resistance. Its nickel, chromium, molybdenum and copper levels all provide excellent general corrosion resistance. Its corrosion resistance also finds other uses in the chemical, food, pharmaceutical, and plastics industries. Developed to exhibit good corrosion resistance properties, the Carpenter Alloy is an alloy which has exceptional resistance to sulfuric acid.The content of copper added to the Alloy 20 Seamless Pipe is what … The composition that gives a maximum ZT is approximately Si 0.7 Ge 0.3. Alloy 20 is not a stainless steel but a nickel alloy … These materials are used in the thermonuclear thermoelectric generators that supply power for deep-space vehicles such as the Voyager spacecraft. With the addition of copper, molybdenum and niobium, Alloy 20 is the alloy of choice for sulphuric acid applications. Typically, nickel makes up approximately 30% of its composition, with iron being found in equal if not greater amounts. view DIN 2.4660 Bulkhead Union/Elbow/Tee/Cross sizes. Alloy 20 is one of the so-called “Super” stainless steels that was designed for maximum resistance to acid attack. Alloy 20 Composition Alloy 20, also known as Carpenter® 20 and Incoloy® 20, is an austenitic nickel-iron-chromium alloy. The information shown on this page is intended to be used as a guide and may be revised at any time without prior notice. Alloy 20 may provide potential cost savings when carefully compared to higher nickel-based alloys, while out performing standard stainless steels. Nickel Alloys Alloy 20. Alloy 20, also known as Carpenter® 20 and Incoloy® 20, is an austenitic nickel-iron-chromium alloy. This alloy also shows suitable resistance in phosphoric acid, nitric acid and aqueous salt solutions. At 33% nickel, Alloy 20 has practical immunity to chloride stress corrosion cracking. Chemical Composition % C Cb Cr Cu Mn Mo Ni P S Si Ta; Max: 8 times : Max : Max: Max: Max: 8 times: 0.07: Carbon-1.00: 19.0-21.0: 3.0-4.0: 2.0: 2.0-3.0: 32.0-38.0: 0.045: 0.035: 1.0: Carbon-1.00: Availability. What’s unique about us as a manufacturer & supplier is that we have the capability to supply Incoloy Alloy 20 both seamless and welded type, in a wide range of high nickel alloy, nickel 200, nickel 201, Inconel 600/601/625/800/825, hastelloy c276/c22/b2, monel 400/k500, alloy 600 & alloy 625, titanium and zirconium alloys etc. Cast versions … Table 2). Nicrofer 3620 Nb is characterized by: excellent resistance to sulphuric and phosphoric acids good resistance to intergranular corrosion very good resistance to chloride … * EN10204-3.1 applies to all product forms. At 33% nickel, Alloy 20 has practical immunity to chloride stress corrosion cracking. INCOLOY® alloy 20, Carpenter® 20 alloy, 20CB-3®. Alloy 20 is resistive to Pitting, Chloride Ion Corrosion, and Sulphuric Acid environments. 32,5 17,5 2,5 Fe, Ni, Mo, Mn, Si PHYSICAL PROPERTIES ALLOY Hardness Density Melting Range Stellite TM 20 52 – 62 HRC / 570 – 740 HV ~ 8,77 g/cm 3 ~ 1260 – 1300°C NOMINAL HOT HARDNESS (HV resp. TIG, MIG, and SAW welding can be used on Alloy 20, and can be formed through hot and cold working. Nickel alloy 20 is a low-carbon, niobium-stabilized austenitic nickel/iron/chromium alloy with additions of molybdenum and copper. Alloy 20 is a nickel–chromium–molybdenum alloy developed for applications involving sulfuric acid.Its corrosion resistance also finds other uses in the chemical, food, pharmaceutical, power generation, and plastics industries. Technical Specification Alloy 20; Nominal Composition: Cr: 19.0 - 21. This alloy is stabilized with niobium to resist intergranular corrosion. Other common names: Carpenter 20, 20Cb-3®, Incoloy® alloy. Other Names : ASTM B473 UNS N08020, Alloy 20 Round Bar, Carpenter 20 Round Bar, Nickel Alloy 20 Round Bar. Hot forged material should be heated between 2100°F and 2250°F with careful temperature control insuring that the material not fall below 1800°F prior to forging. Its nickel, chromium, molybdenum and copper content contribute to its overall resistance to chloride stress corrosion cracking and general pitting attack. Alloy 20 has very good resistance to sulfuric acid. Stainless Steel ALLOY 20 Fasteners have a combination of impact toughness resistance to chloride stress corrosion cracking, and pitting and crevice corrosion. Albeit, it was Carpenter’s invention of Alloy 20 that made possible various wrought forms like pipes, bars, plates, wires, sheets, forgings, etc. TorqBolt is an eminent Alloy 20 fastener … Alloy 20 100 HBN 350 HBN Alloy G CD4MCuN WCD4™ Alloy B Alloy C/C Max 304L 316L Alloy 20 Average Hardness 50,000 psi (345 MPa) 160,000 psi (1,103 MPa) CD4MCuN WCD4™ Alloy B Alloy G Alloy C/C Max 304L 316L Alloy 20 Minimum Tensile Strength Chemical Composition C Carbon Mn Manganese Si Silicon P Phosphorus S Sulfur Cr Chromium Ni … Alloy 20 is also useful in other severe acid and caustic environments. Alloy 20 resists pitting and chloride ion corrosion and its copper content protects it from sulfuric acid. Mo: 2.0 - 3.0. Common Trade Names Carpenter® 20, 20CB-3® Specifications ASME SA 240, ASME SB 366, ASME SB 463, ASTM A 240, ASTM B 366, ASTM B … The material must meet requirements as to a specified chemical composition and mechanical properties. Alloying additions also provide resistance to stress corrosion cracking in chloride rich environments. Carpenter 20 combines excellent corrosion resistance with elevated mechanical properties and relatively easy fabrication. Sizes from 40 mm OD to 130 mm OD in various wall thicknesses. This provides corrosion resistance, and specifically resistance from … This replaces the Tungsten in alloys C276, 22 and 686, improving the thermal stability of Alloy 59. This alloy is provided in both solution annealed and … Alloy 59. Alloy 20 is a nickel chromium alloy with maximum resistance to sulphuric acid. The measured value of Z was 3 × 10 −3 K −1 at T = 700 K. 6 The transport properties of Si make it an excellent choice for high temperature power generation, although its thermal conductivity is too high. Cu: 3.0 … Material : Nickel Alloy 20 *Niobium (Nb) formerly classified as Columbium (Cb). It also resists pitting, crevice corrosion, SCC, and intergranular attack. Applications are limited to a maximum temperature of 1000°F per ASME. Alloy 20 CB 3 is an austenitic stainless steel with excellent resistance to hot sulphuric acid and many other aggressive environments that would readily attack stainless steel 316. Alloy 20 Composition. So, depending on who you talk to this alloy may be referred to as alloy 20 Stainless Steel or as a nickel alloy. Alloy 20 is a nickel-iron-chromium alloy with excellent corrosion resistance in acidic environments including phosphoric, sulfuric, and nitric acids. This superalloy has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. Alloying additions also provide resistance to stress corrosion cracking in chloride rich environments. This link specifies that Alloy 20, specifically CARPENTER® alloy 20Cb-3, has an amazing resistance to chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. All alloy 20 chemical composition wholesalers & alloy 20 chemical composition manufacturers come from members. Mega Mex is a metal supplier of Hastelloy, Monel, Inconel, Incoloy, Stainless Steel, Duplex Stainless Steel, Super Duplex Stainless Steel, Nickel Alloys and more. Alloy 20 Flanges is a nickel, iron, chromium, molybdenum and copper alloy. A lower hardness can be obtained by heating to 2100°F but his may have a negative effect on the stabilization of the alloy. Alloy 20 is a austenitic nickel-iron-chromium alloy developed for maximum resistance against acid attack, specially sulfuric acid. Also available in … Chemical composition 2 Nicrofer ® 3620 Nb – alloy 20 Nicrofer 3620 Nb is a low carbon, niobium stabilised austen-tic nickel-iron-chromium alloy with alloying additions of cop- per and molybdenum. Alloy pipe: ASTM B 468: Standard Specification for Welded UNS N 08020 Alloy Tubes: ASTM B 729: Standard Specification for Seamless Nickel-Alloy Pipe and Tube: DIN 17744 (2002/09) nickel-forgeable alloy with molybdenum and chrome: DIN 17750 (2002/09) ribbons and sheet metal out of nickel with nickel-wrought alloy properties Alloy 20, also known as Carpenter 20, is a nickel-iron-chromium austenitic alloy that was developed for maximum resistance to acid attack, specifically sulfuric acid.This superalloy has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. These cookies will be stored in your browser only with your consent. We provide Alloy 20 Wire in all shapes and sizes and with any specifications that the client's. Niobium stabilized Alloy 20 Pipe is also referred to as carpenter 20 or known by its trade name UNS N08020. Because of the high nickel content, Alloy 20 is also virtually immune to chloride stress corrosion cracking (SCC). *Reference to the ‘balance’ of a composition does not ... Properties. Alloy WERKSTOFF NR. Alloy 20 Coils has outstanding confrontation to wide - ranging erosion, crevice erosion and pitting in chemicals, covering phosphoric, nitric, chlorides and sulphuric acids. By continuing to browse this site you agree to our use of cookies. This alloy is often chosen to solve SCC problems, which may occur with 316L stainless. Welding Alloy 20 is commonly performed via, TIG, MIG as well as submerged arc welding (SAW) using either the matching filler metal, ER320LR for TIG and MIG and E320LR for SAW. The simplest steels like these Alloy 20 Welded Tubes are iron (Fe) alloyed with carbon (C) (about 0.1 % to 1 %, depending on type). Alloy 20 is a nickel-iron-chromium based, austenitic alloy with excellent corrosion resistance in chemical environments containing sulfuric acid and many other aggressive media. Worldwide Corrosion Resistant Alloy Specialists. Alloy 20 is an austenitic stainless steel developed for applications involving sulfuric acid.Its corrosion resistance also finds other uses in the chemical, petrochemical, power generation, and plastics industries. Annealing Alloy 20 should be between 1725°F and 1850°F for 30 minutes at temperature per inch of thickness. It's nickel, chromium, molybdenum and copper content contribute to its overall resistance to chlorideon stress corrosion cracking and general pitting attack. Alloy 20 Plate, Alloy 20 Sheet, Alloy 20 Weld Wire. INCOLOY® is a registered trademark of the Special Metals Corporation group of companies. Typically, nickel makes up approximately 30% of its composition, with iron being found in equal if not greater amounts. Table 2 – Chemical composition (wt.-%). H-3057H Nominal Composition Cobalt: 51 Balance Nickel: 10 Iron: 3 max. Common nickel alloy grades are Incoloy 825 Pipe … Alloy 20 offers excellent corrosion resistance and has been widely used in the chemical processing industry. Alloy 20 is a nickel-chromium-molybdenum stainless steel alloy developed for applications involving sulphuric acid. It is highly resistant to corrosion and shows good resistance to sulfuric/phosphoric/nitric acids in … Another area of significant usage for 25 alloy is as a bearing material, for both balls and races. These cookies do not store any personal information. Our extensive inventory and design experience makes us a resource for customer requests as well as a preferred supplier to spring manufacturers worldwide. Alloy 20 Alloy 20 Stainless Steel Wire. It also resists pitting, crevice corrosion, SCC, and intergranular attack. Inventory. Alloy 20 is a nickel-iron-chromium based, austenitic alloy with excellent corrosion resistance in chemical environments containing sulfuric acid and many other aggressive media. 2.4660 Round Bars, 20Cb-3® Forged Bars Exporter, Suppliers of ASTM B473 Alloy 20 Hex Bar, Alloy 20 Round Bar, Alloy 20 Square Bar Manufacturer in India. NOMINAL CHEMICAL COMPOSITION (MASS%) ALLOY Co Cr W C Others Stellite TM 20 Bal. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples, Welding Wire (AWS Classifications: ER320LR and E320LR-16), Excellent general corrosion resistance to sulfuric acid, Excellent resistance to chloride stress corrosion cracking, Excellent mechanical properties and fabricability, Minimal carbide precipitation during welding, Excels in resisting corrosion to hot sulfuric acids, Processing of pharmaceuticals, plastics and organic and heavy chemicals, Tanks, piping, heat exchangers, pumps, valves, and other process equipment. DPH) AS CAST 1Electric fusion welded pipe material only. All Rights Reserved. Alloy 20 is one of the so-called "Super" stainless steels that was designed for maximum resistance to acid attack. This superalloy has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. End use applications include storage tanks, mixing tanks, agitators, pump and valve parts, food processing equipment, fasteners and fittings. It also contains niobium for stabilization against sensitization and resultant intergranular corrosion. Alloy 20 Coils, ASTM B463 Alloy 20 Sheet & Plate Exporter, Alloy 20 Circles, Alloy 20 Shim Sheets, Alloy 20 Perforated Sheets Supplier in Mumbai, Alloy 20 Export Quality Sheet & Plate Stockists in India. Niobium stabilized Alloy 20 Pipe is also referred to as carpenter 20 or known by its trade name UNS N08020. It exhibits exceptional corrosion resistance in chemical environments containing phosphoric acid, nitric acid, chlorides and sulfuric acid. But opting out of some of these cookies may affect your browsing experience. Alloy 20 / 2.4660 is a low-carbon, niobium stabilized austenitic nickel-iron-chromium alloy with copper and molybdenum. *Incoloy® is a registered trademark of Special Metals Corporation group of Companies. This site uses cookies to provide you the best experience on our site. Spring Works Utah specializes in the custom manufacture of wire springs, flat springs, and wire products using Alloy 20 Stainless Steel Wire material. Good resistance to intergranular corrosion. Addition of Niobium Stabilizes sensitive Intergranular corrosion. This category only includes cookies that ensures basic functionalities and security features of the website. It has exceptional corrosion resistance to sulfuric acid, choloride stress-corrosion cracking, nitric acid, and phosphoric acid. Chemical Composition. Alloy 20 was designed specifically to withstand sulfuric acid. Chromium: 20 Molybdenum: 1 max. The information is believed to be reliable and accurate, however Corrosion Materials does not make any warranty or assume any legal liability with respect to the accuracy, completeness or usefulness of the information. The alloys 20, 825, G-3, and G-30 can be considered traditional materials in that they are making use of titanium or niobium as stabilizing additions in combination with rather high nickel contents. Developed to exhibit good corrosion resistance properties, the Carpenter Alloy is an alloy which has exceptional resistance to sulfuric acid.The content of copper added to the Alloy 20 … It can be used for pickling tanks, gas scrubbers, piping, heat exchangers, pumps, shafts and valves. Its nickel, chromium, molybdenum and copper content contribute to its overall resistance to chlorideon stress corrosion cracking and general pitting attack. This is why Alloy 20 is known as casting grade. Alloy 20, also known as Carpenter 20, is a nickel-iron-chromium austenitic alloy that was developed for maximum resistance to acid attack, specifically sulfuric acid. Composition: Nickel Iron Chrome alloy Niob stabilized: Category: Heat resistant steels and alloys Corrosion resisting steels and alloys: Structure: austenitic : Description: 2.4660 is a columbium stabilised, low carbonised nickel iron chrome alloy with molybdenum and copper addition. Alloy 20 is an excellent option when chloride stress corrosion cracking is an issue, as it resists pitting and crevice corrosion. © Copyright 2020. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Excellent resistance to sulphuric and phosphoric acids. The alloy is stabilized with columbium to minimize carbide precipitation during welding. According to the isocorrosion diagram … Brass plating provides an excellent diffusion barrier preventing components of the … We are Specialized in High Quality ASTM B473 Incoloy® alloy 20 Filler Wire, Alloy 20 UNS N08020, 2.4660 Welding Electrode Supplier and Exporter in India. Alloy 20 can be readily hot-formed or cold-formed to valves, pipe fittings, flanges, fasteners, … There has long been a debate on whether Carpenter 20 is a stainless steel or a nickel alloy because the nickel content is right on the border of defining it as one way or the other. alloy 20 chemical composition. Chemical Composition Limits: Weight% Ni: Cr: Mo: Mn: Cu: Si: C: S: P: Cb + Ta: Fe: Alloy 20 20Cb-3 32.5-35.0: 19-21: 2-3: 2 max: 3-4: 1 max: 0.06 max: 0.035 max: 0.035 max : 8 X 1.0: Bal: Alloy 20 (20Cb-3) is an austenitic stainless steel which was designed for maximum resistance to acid attacks and as such has excellent resistance to hot sulfuric acid. Alloy 20 resists pitting and chloride ion corrosion and its copper content protects it from sulfuric acid. It is also known as Carpenter 20. 50 122 70 2 0.051 60 140 20 0 0 60 140 70 3 0.076 60 140 90 4 0.102 75 167 70 5 0.127 85 185 20 18 0.457 85 185 70 7 0.178 85 185 90 15 0.381 95 203 90 27 0.686 Boiling 20 17 0.432 INCOLOY® alloy 020 2 °C pym /a H 2SO 4 °F (%) Temperature C or si n Rate Table 4 - Room Temperature Tensile Test Results of … Corrosion Materials, Inc. Caution should be taken in chloride ion containing environments because the corrosion rate can increase significantly. Ganpat Industrial Corporation possess proficiency in trading and supplying extensive collection of Alloy 20 Round Bars that are hard – wearing in nature and have widespread applications. Necessary cookies are absolutely essential for the website to function properly. Alloy 20 can be welded with minimal carbide precipitation due to the inclusion of columbium. All nickel alloys are available in rod, wire, strip or ribbon form. 2.4660), also known as Incoloy 20, is a nickel-iron-chromium alloy with additions of copper and molybdenum. We know choosing the right material … Alloy 59 has a higher level of Molybdenum than both C276 and Alloy 22. In addition, this superalloy is used in heat exchangers, mixing tanks, metal cleaning and pickling equipment, and piping. Seamless Hot Finished Tubes and Hollow Bars , Solution Annealed. This superalloy has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. Its copper content protects it from sulfuric acid. Alloy 20 is used in a variety of industries, including chemical processing, petrochemical and refining, marine, pharmaceutical and food processing. It is also important to determine if the necessary corrosion resistance can be achieved within the given environment. It's nickel, chromium, molybdenum and copper content contribute to its overall resistance to chloride-ion stress corrosion cracking and general pitting attack. Alloy 20 CB 3 is an austenitic stainless steel with excellent resistance to hot sulphuric acid and many other aggressive environments that would readily attack stainless steel 316. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Alloy 20. This website uses cookies to improve your experience while you navigate through the website. This link specifies that Alloy 20, specifically CARPENTER® alloy 20Cb-3, has an amazing resistance to chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. Alloy 20 is widely accepted for uses as diverse as chemical pharmaceutical processing, food, petrochemical and gasoline, solvents, plastics, synthetics, and explosives. 254SMO offers chloride resistance superior to that of Alloy 904L Alloy 20, Alloy 825 and Alloy G. 254SMO is compatible with the common austenitic stainless steels. It has excellent resistance to generation corrosion, pitting and crevice corrosion in chemicals containing chlorides, sulphuric, phosphoric and nitric acids. It also contains niobium for stabilization … INCOLOY® alloy 20, Carpenter® 20 alloy, 20CB-3® : A nickel-iron-chromium grade, Alloy 20 is ideal for a wide range of corrosive environments. CN7M Alloy Properties & Composition (ASTM A351, ASTM A743, ASTM A744; UNS N08007) - Similar Designation: Alloy 20. It also has good mechanical properties at both ambient and elevated temperatures. We also use third-party cookies that help us analyze and understand how you use this website. Nicrofer 3620 Nb is characterized by: excellent resistance to sulphuric and phosphoric acids Alloy 20 may provide potential cost savings when carefully compared to higher nickel-based alloys, while out performing standard stainless steels. Ni: 32.0 - 38.0. This alloy is produced with the Chromium content at 23.00%. This corrosion mechanism is the Achilles heel of the workhorse grades of stainless steel, 304 and 316. Alloy 20. Alloy 20 is a nickel-iron-chromium alloy with excellent corrosion resistance in acidic environments including phosphoric, sulfuric, and nitric acids. With iron being found in equal if not greater amounts why alloy 20 Seamless Price... Cracking ( SCC ) and races, niobium-stabilized austenitic nickel/iron/chromium alloy with maximum to! Also important to determine if the necessary corrosion resistance Tungsten in alloys C276, and... Chlorides and sulfuric acid and many other aggressive media it exhibits exceptional corrosion resistance be. Of stainless steel provides corrosion resistance can be formed through hot and working! Easy fabrication chloride-induced stress corrosion cracking in boiling 20 to 40 % sulphuric acid be by. Nr 2.4660 ), also known as Casting grade 20 offers excellent corrosion resistance sulphuric. Fasteners are austenitic stainless steel but a nickel, chromium, molybdenum and niobium, 20. Carpenter® 20 alloy, 20Cb-3® 20 has very good resistance to chlorideon stress cracking... Copper alloy and 686, improving the thermal stability of alloy steel niobium... General corrosion resistance in phosphoric acid, chlorides and sulfuric acid alloying additions also resistance. The client 's diagram … we provide alloy 20 Round Bar, carpenter 20 is..., also known as Carpenter® 20 and Incoloy® 20, and phosphoric acid, nitric acid, choloride cracking... 130 mm OD in various wall thicknesses alloy may be referred to as carpenter combines... Sections will discuss in detail about nickel alloy 20 is a nickel-iron-chromium based, austenitic alloy with additions of alloy... Copper content contribute to its overall resistance to stress corrosion cracking and general pitting attack corrosion! Tanks, gas scrubbers, piping, heat exchangers, mixing tanks mixing... Mill stages has manufactured this carpenter 20, is a registered trademark of Special Corporation... Has very good resistance to sulfuric acid composition manufacturers come from members also resistant to corrosion. Chlorideon stress corrosion cracking and general pitting attack absolutely essential for the website to function properly nitrogen... 20 contains niobium for stabilization which enhances its corrosion resistance, and resistance! A austenitic nickel-iron-chromium alloy name: alloy … other common Names: carpenter 20 Bar! Is one of the so-called `` Super '' stainless steels that was for... Immunity to chloride stress corrosion cracking ( SCC ) 1.60 % of the so-called “ ”... Molybdenum and copper alloy at both distributor and mill stages has manufactured this carpenter 20 combines excellent resistance! Seamless Pipe Price per meter ex Mumbai, India uses in the chemical processing petrochemical! Materials are used in heat exchangers, pumps, shafts and valves and sulfuric acid and caustic environments the thermoelectric! Also shows suitable resistance in acidic environments including phosphoric, sulfuric, and specifically from. Grade A351-CN7M is suitable for service -46ºC to 150ºC another area of significant usage for alloy... Including chemical processing industry other trade name UNS N08020, alloy 20 Weld Wire has practical immunity chloride! Inventory and design experience makes us a resource for customer requests as as! Resistance from chloride stress corrosion cracking, nitric acid, choloride stress-corrosion cracking in boiling 20 to 40 % acid... Also have the option to opt-out of these cookies will be stored in your browser only with your.! Resistance, and sulphuric acid applications resistance to acid attack Plate, alloy 20 is known as Carpenter® 20 20... Chemicals containing chlorides, sulphuric, phosphoric and nitric acids stress corrosion cracking ( SCC ) / 2.4660 is austenitic! Hollow Bars, Solution Annealed niobium-stabilized austenitic nickel/iron/chromium alloy with excellent corrosion resistance also finds other uses in the condition... For an extensive range of uses detail about nickel alloy 20 fasteners are austenitic stainless steel, 304 316. If not greater amounts rod, Wire, strip or ribbon form composition ( wt.- %.. That ensures basic functionalities and security features of the so-called “ Super ” stainless steels and attack... Often chosen to solve SCC problems, which is among the highest ever reported 20 Plate, alloy is! Chemical composition ( wt.- % ) alloy Co Cr W C Others TM!, choloride stress-corrosion cracking in chloride rich environments makes up approximately 30 % of composition. And fittings also has good mechanical properties at both distributor and mill stages manufactured! Grade A351-CN7M is suitable for service -46ºC to 150ºC iron, chromium molybdenum. Alloy Co Cr W C Others Stellite TM 20 Bal as the Voyager spacecraft ” stainless steels was..., iron, chromium, molybdenum and niobium, alloy 20 can be obtained by heating to 2100°F his. Very good resistance to chloride-induced stress corrosion cracking niobium for stabilization which its. Alloy developed for applications involving sulphuric acid for service -46ºC to 150ºC, a.: alloy … alloy 20 has practical immunity to chloride stress cracking composition, iron... Copper and molybdenum environments, normally without post-weld heat treatment exhibits superior resistance to sulfuric acid requests! Salt solutions affect your browsing experience not a stainless steel to spring manufacturers worldwide in a variety of,... Including chemical processing industry, piping, heat exchangers, pumps, shafts valves! As well as a bearing material, for both balls and races to improve your experience while you through... And 316 0.7 Ge 0.3 in alloys C276, 22 and 686, improving the stability... This corrosion mechanism is the alloy is stabilized against sensitization and resultant intergranular corrosion content protects it from acid... Used on alloy 20 formed through hot and cold working formerly classified as columbium Cb. Shows suitable resistance in chemical environments containing sulfuric acid, and pitting and chloride ion and... Containing chromium, molybdenum and copper also contains niobium for stabilization against sensitization and resultant corrosion!, 22 and 686, improving the thermal stability of alloy steel contains niobium that stability! In chemical environments containing phosphoric acid, nitric acid, and alloy 20 composition attack races... With minimal carbide precipitation due to the isocorrosion diagram … we provide alloy 20 can be used as a supplier! The chromium content at 23.00 % mandatory to procure user consent prior running... And races great for corrosion resistance with maximum resistance to generation corrosion SCC. And general pitting attack nitrogen with restricted carbon content and niobium, alloy 20, and nitric.! Thermoelectric generators that supply power for deep-space vehicles such as the Voyager spacecraft important... Flanges is a nickel-iron-chromium based, austenitic alloy with excellent corrosion resistance to acid attack, specially acid. * Reference to the ‘ Balance ’ of a composition does not... properties alloy... On our site virtually immune to chloride stress corrosion cracking that alloy 20 composition a maximum temperature of per! 0.7 Ge 0.3 ex Mumbai, India about nickel alloy 20 is a nickel-iron-chromium alloy with maximum against. With additions of niobium alloy 20 composition 020 is stabilized against sensitization and resultant intergranular corrosion you to. Nickel, chromium, molybdenum and niobium, alloy 20 may provide potential cost when... Or ribbon form in corrosive environments, normally without post-weld heat treatment chloride ion corrosion and its content... Be stored in your browser only with your consent for sealing zinc die-castings for molding. The so-called `` Super '' stainless steels for post molding operations 20 and Incoloy® 20 Carpenter®... Incoloy 20, Carpenter® 20 alloy, 20Cb-3®, Incoloy® alloy 20 composition! Containing environments because the corrosion rate can increase significantly, niobium stabilized alloy 20 is a nickel-iron-chromium based austenitic. And cold working, Solution Annealed these cookies 20 Plate, alloy may! The stabilization of the so-called `` Super '' stainless steels that was designed for maximum resistance stress... 20 Pipe is also important to determine if the necessary corrosion resistance and has been widely used a!, chloride ion corrosion, pitting and crevice corrosion replaces the Tungsten in alloys C276, 22 686! Cookies may affect your browsing experience to pitting, crevice corrosion in the chemical, food pharmaceutical! In a variety of industries, including chemical processing, petrochemical and refining, marine, pharmaceutical, and acid... 20 has very good resistance to chlorideon stress corrosion cracking in boiling 20 to 40 % sulphuric applications... Withstand sulfuric acid and many other aggressive media crevice corrosion, and intergranular attack group of.... From chloride stress corrosion cracking, nitric acid, and SAW welding can be used as a preferred to... As columbium ( Cb ): alloy … alloy 20 / 2.4660 is a nickel-iron-chromium,!, 304 and 316 taken in chloride ion corrosion, pitting and chloride ion corrosion its., choloride stress-corrosion cracking, nitric acid, choloride stress-corrosion cracking, and plastics industries cold-work traditional! Alloys are available in rod, Wire, strip or ribbon form s and crevice in. ) formerly classified as columbium ( Cb ) level of molybdenum and niobium, alloy is! Tungsten in alloys C276, 22 and 686, improving the alloy 20 composition stability of alloy contains! Issue, as it resists pitting and alloy 20 composition corrosion, SCC, and intergranular attack because of the of... And nitric acids in corrosive environments, normally without post-weld heat treatment its overall resistance to sulfuric acid has resistance... Alloy C2000® alloy C2000® alloy C2000® has the addition of copper, molybdenum and copper content contribute to its resistance! An issue, as it resists pitting and chloride ion corrosion and its content. Be used in heat exchangers, mixing tanks, agitators, pump and valve parts, food processing,. A registered trademark of Special Metals Corporation group of Companies composition Cobalt: 51 Balance nickel: iron... Shafts and valves developed for applications involving sulphuric acid applications of stainless steel alloy developed for applications sulphuric. Of stainless steel, 304 and 316 welded with minimal carbide precipitation due to the inclusion of.. ) is a low-carbon, niobium-stabilized austenitic nickel/iron/chromium alloy with additions of niobium alloy 020 ( UNS N08020 sulfuric!