Any questions or comments can also be sent via email to. Mechanical properties inconel alloy x750 may be given any one of a variety of heat. Service temperatures range from cryogenic to 1800f 982c. Inconel 625 is a nonmagnetic, corrosion and oxidation resistant, nickelbase alloy.
Alloy 625, inconel 625, nickel 625, uns n06625, ams 5599, ams. High performance alloy nickelchromiummolybdenum heat. It is prequalified for use in pressure vessels up to 815 c. The alloy has outstanding strength and toughness at temperatures. These properties allow inconel 625 tubes to be used in a wide spectrum of applications. In all conditions, alloy x750 is resistant to oxidation up to 1800f. Inconel 625 was designed as a solid solution strengthened material with no significant microstructure. Heavy restrained sections can be welded and the welds mechanical properties follow the same trends as base metal properties. Alloy 625 data sheet uns n06625 alloy 625 uns designation n06625 is a nickelchromiummolybdenum alloy possessing excellent resistance to oxidation and corrosion over a broad range of corrosive conditions, including aerospace and chemical process applications. Dissolve out the carbon granule and instability quaternary phase, then change it to stability ni3 nb,ti trimetric lattice around. Typical properties for annealed grade 1 up to 100mm section.
Alloy 625 data sheet uns n06625 alloy 625 uns designation n06625 is a nickelchromiummolybdenum alloy possessing excellent resistance to oxidation and corrosion over a broad range of. Alloy 625 uns designation n06625 is a nickelchromiummolybdenum alloy possessing excellent resistance to oxidation and corrosion over a broad range. The roomtemperature tensile properties in different states of inconel 625 fabricated by laser solid forming were higher than those of inconel 625 fabricated by casting. Inconel alloys are oxidation and corrosionresistant materials well suited for service in extreme environments subjected to high pressure and kinetic energy. These slower processing times can lead to slower turnaround times, but a rushed machining job runs the risk of wasting the nickelalloy material ruining the tools involved. This holds true at low and high temperatures, but there is a region 923 to 1148 k where precipitates form that are detrimental to the creep properties, and thus the strength, of the alloy.
Maintaining their integrity across a temperature range spanning from cryogenic deepfreezes to degrees celsius2000 degrees fahrenheit, inconel 625 sheets are nickelbased, using columbium and molybdenum as refractory metals. Our inconel 625 plate is available in thicknesses up to 4. Inconel alloy x750 2 tab le 4 effect of heat treatment on roomtemperature resistivity of hotrolled bar tab e 5 modulus of elasticity table 3 thermal propertiesa a material heattreated 2100f3 hr, a. The inconel alloys are highly engineered to offer a superior combination of heat resistance, high temperature corrosion resistance, toughness and strength for the most demanding applications. Good thermal, electrical and magnetostrictive properties. Box 1072 schenectady, new york 123011072 abstract the objective is to describe.
Passivation treatment for inconel 625 metal and metallurgy. For that reason low cutting speeds should be used and the tool. In addition to the standard nickelchromiumiron blend, inconel 625 contains amounts of molybdenum and. It prevents stress corrosion cracking due to chloride ions. Nickel 625 is a preferably used material in chemical processing, jet engines, aerospace and marine industry and nuclear power. Commercially available inconel 625 welding wire ernicrmo3 with 1. Inconel 625 parts with high geometrical complexity and good properties. Hi, we have a spec that calls out for astm b446 passivation on in625 alloy. Stress relief, if required, is at 590760c, or up to 870c for complete relief. Inconel alloy 625 is a nickel chromium molybdenum alloy with high strength at elevated temperatures, combined with outstanding corrosion resistance. Q the tests were conducted at room temperature under constant load using a mixture of oxygen free water containing 3000 ppm dissolved h2s, 5%. The combination of molybdenum and columbium alloyed together produces a metal that is naturally strong. In addition to the standard nickelchromiumiron blend, inconel 625 contains amounts of molybdenum and columbium. The properties of inconel alloy 625 that make it an excellent choice for seawater applications are freedom from local attack pitting and crevice corrosion, high corrosionfatigue strength, high tensile strength, and resistance to chlorideion stresscorrosion cracking.
Mechanical properties inconel alloy x750 may be given any one of a variety of heat treatments. Nov 14, 2008 properties of nickel alloy inconel 625 inconel 625 is a nickelbased super alloy that possesses excellent resistance to oxidation and corrosion in a broad range of environments. It has the best allround combination of strength and corrosion resistance of the inconel family of alloys. Inconel 625 is annealed at 9251040c, cooling rate not critical. Alloy 625 is a popular nickelchromium alloy that offers users a high level of strength and ease of fabrication. Maintaining their integrity across a temperature range spanning from. Here are more detials on the composition, fabrication, properties and uses of nickel inconel 625. Inconel 625lcf is a special quality of the alloy for use in bellows. Alloy 625 is a nickelbased and nickelchromiummolybdenum amalgam with superb erosion resistance and designed for excellent corrosion resistance both exceptional quality and durability in the.
Inconel 625 metallurgical structure 625 is facecentered cubic lattice structure. Nickelchromiummolybdenum alloy 625 is a material with excellent resistance to pitting, crevice and corrosion cracking. Inconel 625, chronin 625, altemp 625, haynes 625, nickelvac 625 and nicrofer 6020. Contact us toll free at 1866 4825569 or fax 40846757 in north. The unique properties of the new alloy described in the patent were its high. Macroscopic morphology characteristics of asbuilt inconel 625 in625. Notch ductility and impact energy have been found to be reduced due to the precipitation of these carbides in alloy 625 9. Additionally this alloy has outstanding strength and toughness at temperatures ranging from cryogenic to 2000f. Inconel 625 nickel alloy data sheet cmc bellwood 800. Hi, we have a spec that calls out for astm b446 passivation on in 625 alloy. The high level of chromium and molybdenum in inconel 625 alloy provides a high level of pitting and crevice corrosion resistance to chloride contaminated media, such as sea water, neutral salts and brines physical properties of inconel 625. Agehardening treatments are not required to obtain the high strength properties of alloy 625 due to the solid solution effects of molybdenum and columbium on the nickelchromium.
Room temperature strength of 625 inconel is much less, at 8. Inconel alloys are typically used in high temperature applications. The metallurgy of alloy 625 stephen floreen, gerhard e. Inconel 625 tubes of manufacturer, stockiest and supplier.
Nickel alloy 625 is used both for its high strength and outstanding aqueous corrosion resistance. What are the mechanical properties of nickel alloy 625. High performance alloy nickelchromiummolybdenum heat and. For that reason low cutting speeds should be used and the tool should be engaged at all times. Inconel 625 alloy offers high fatigue strength, tensile strength and resistance to chloride ion stress corrosion. M,c and m,c, carbides have been observed to precipitate at grain boundaries in alloy 625 on ageing 81.
Dissolve out the carbon granule and instability quaternary phase, then change it to stability ni3 nb,ti trimetric lattice around 650. Nickelchrome alloy inconel 625 heanjia super metals co. Properties of nickel alloy inconel 625 inconel 625 is a nickelbased super alloy that possesses excellent resistance to oxidation and corrosion in a broad range of environments. Inconel 625 is a nickelchromiummolybdenumcolumbium niobium alloy with excellent oxidation resistance, corrosion resistance, and strength at high temperatures. Outstanding resistance to pitting, crevice corrosion, and intergranular attack. Inconel 625 tubes of manufacturer, stockiest and supplier by. Inconel s high temperature strength is developed by solid solution strengthening or precipitation hardening, depending on the alloy.
The nickelchromium matrix of inconel 625 is reinforced by the addition of molybdenum and niobium, which is alloyed through solid solution strengthening, and this allows it to maintain high strength and toughness at temperatures ranging from cryogenic up to 2000f 1093c. Inconel 625 is a speciallyformulated family of alloys designed for use in environments where there are extremely high temperatures. Alloy 625 is a highly alloyed nickelbase alloy that can provide high strength, corrosion resistance in a variety of environments, and good fabricability and weldability. In situ ticinconel 625 nanocomposites fabricated by. Inconel 625 sheet supplier alloy 625 sheet altemp alloys. The inconel 625 deposited sample was fabricated by the gtawald technique. Inconel 625 in625 is widely used in fields such as aerospace and supercritical water reactors owing to its high oxidation resistance and excellent corrosion resistance. Resistance to corrosion and oxidation of inconel 625. Each develops special properties and puts the product form in the best condition for its intended application. Recent developments have led to inconel 625 alloy being used as weld overlaid or coextruded product for superheater tubing and is playing a major role in the worldwide growth of. However, due to its relatively low hardness and wear resistance, the application of in625 is limited in areas in which abrasion and corrosion are severe 26. Standard practices such as clean surfaces, good joint alignment, ujoints for thicker sections, etc. Alloy 625, inconel 625, nickel 625, uns n06625, ams 5599.
Alloy 625 is used in the chemical process industry, marine engineering, pollution control equipment and nuclear industries. We recently changed our supplier and i realized that they only adhere to astm a380 passivation treatment for inconel 625. Alloy 625 is a nickelbased and nickelchromiummolybdenum amalgam with superb erosion resistance and designed for excellent corrosion resistance both exceptional quality and durability in the temperature range cryogenic to 2000f 1093c. We recently changed our supplier and i realized that they only adhere to astm a380 passivation treatment for inconel 625 metal and metallurgy engineering engtips. Inconel 625 is known for its toughness, high fatigue strength, and oxidation resistance. The most often used heat treatments have been incorporated by the.
Alloy 625, nickel 625, 625 inconel alloy, a625, uns n06625, ni 58. Inconels high temperature strength is developed by solid solution strengthening or precipitation hardening, depending on the alloy. Depending on customer requirements, alloy 625 may also be supplied solution heattreated at temperatures at or above 2000f 1095c, or mill annealed at temperatures below 1925f 1050c. Effect of location on microstructure and mechanical.
Inconel 625 nickel alloy data sheet cmc bellwood 800 323. Pdf precipitates in additively manufactured inconel 625. It has the same tendency to work harden during forming operations. Versatile corrosion resistance of inconel alloy 625 in. Inconel 625 tubes are utilized in aerospace industry for its high tensile, creep, and rupture strength, fatigue and. Information on the physical and mechanical properties of these products, the most comprehensive range of alloy composition s and product forms available. Inconel 625 material properties high mechanical strength and an higher ductility than stainless steel high corrosion resistance excellent thermal and creep properties reactor core applications aeronautic. Nickel alloy 625 properties, composition, corrosion data.
A nickelchromiummolybdenum alloy with an addition of niobium that acts with the molybdenum to stiffen the alloys matrix and thereby provide high strength without a strengthening heat treatment. Mechanical, thermal and physical properties are provided along with detailed corrosion data. Carbide precipitation in nickel base superalloys 718 and. It has high strength and toughness in the temperature range cryogenic to 2000f 1093c which is derived largely from the solid solution effects of the refractory metals, columbium and molybdenum, in a nickelchromium matrix. Workpieces must be clean and free of any contaminants before and. Inconel 625 is a nickelchromium molybdenumcolumbium niobium alloy with excellent oxidation resistance, corrosion. Nickelbased super alloy inconel 625 properties and. Inconel 625 is different from many other inconel alloys. The nickel inconel 625 is a nonmagnetic nickelchromium superalloy that features superb corrosion resistance as expected by the presence of the aforementioned transition metals. Inconel alloy 625 is a corrosion and oxidation resistant nickel alloy that is employed for its high strength and good aqueous corrosion resistance properties.
Inconel 625 sheets exhibit superior strength and durability and are prized for their outstanding oxidation and corrosion resistance. Alloy 625 sheet, bar and plate ams 5599, 5666 inconel. Standard product forms are round, flats, forging stock, extruded section, pipe, tube. Highly resistant in a wide range of organic and mineral acids. Inconel alloy 625 uns designation n06625 is a nickelbased superalloy that possesses high strength properties and resistance to elevated temperatures. A nickelchromiummolybdenum alloy with an addition of niobium that acts with the. Apr 30, 2008 nickel alloy 625 is used both for its high strength and outstanding aqueous corrosion resistance. Microstructure and mechanical properties of inconel 625 and 718. Inconel alloy 625 uns n06625 has been widely used for over 50 years in the.
Inconel is a family of austenitic nickelchromiumbased superalloys inconel alloys are oxidationcorrosionresistant materials well suited for service in extreme environments subjected to pressure. Carbide precipitation in nickel base superalloys 718 and 625. Alloy 625 sheet, bar and plate ams 5599, 5666 inconel 625. Advanced alloy inconel 625 inconel 625 alloy material.
As inconel 625, nickel 200 and other nickel alloys are incredibly strong, the machining systems that work on them need to be run at slower feed rates and a lower rpm level. Alloy 625 data sheet machinability alloy 625 should be machined in the heat treated condition as this alloy is prone to work hardening. Because of this attractive combination of properties, alloy 625 has found widespread applications. Inconel 625 tubes are utilized in aerospace industry for its high tensile, creep, and rupture strength, fatigue and thermalfatigue strength, oxidation resistance and excellent weldability, making it a useful material for engine exhaust systems, fuel, and. Due to its low carbon content and stabilizing heat treatment, inconel 625 shows little tendency to sensitization even after 50 hours at temperatures in the range 650900 the alloy is supplied in the softannealed condition for applications involving wet corrosion inconel 625, grade 1, and is approved by tuv for pressure vessels in the. Lower temperature mill annealing treatments may result in some precipitation of second phases in alloy 625. Standard practices such as clean surfaces, good joint alignment, ujoints for.
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