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Nickel Alloys

Isolthermics supplies a wide range of Nickel Alloys. If you would like assistance identifying the right alloy for your application please call us on 07 3245 5561or type your question into the panel on the right.

Index of Products:

Working and Machining Nickel Alloys
Nicrofer® 7216 LC - alloy 600 L (UNS N06600) Cronifer® 1925 hMo - alloy 926 (UNS N08926)
Nickel 99.2 - alloy 200
(UNS N02200)
Nicrofer® 6023 - alloy 601 (UNS N06601) Nicrofer® 3033 - alloy 33(UNS R20033)
Nicorros® - alloy 400 (UNS N04400) Nicrofer® 6025HT - alloy 602CA (UNS N06025) Nicrofer® 3620 Nb - alloy 20 (UNS N08020)
Nicorros® Al - alloy K500 (UNS N05500) Nicrofer® 4823 hMo - alloy G-3 (UNS N06985) Nicrofer® 4320 Ti (UNS N09925)
Nicrofer® 3127hMo - alloy 31 (UNS N08031) Nicrofer® 5520 Co - alloy 617 (UNS N06617) Nicrofer® S5020 / FM 50 welding filler metal
Nicrofer® 5923 hMo - alloy 59 (UNS N06059) Nicrofer® 5219 Nb – alloy 718 (UNS N07718) Nicrofer® 6030 - alloy 690 (UNS N06690)
Nicrofer® 5716hMoW - alloy C276 (UNS N10276) Nicrofer® 7016 TiNb – alloy X-750 (UNS N07750) Nicrofer® 45 TM - alloy 45 TM (UNS N06045)
Nicrofer® 4221 - alloy 825 (UNS N08825) Nicrofer® 5621 hMoW - alloy 22 (UNS N06022) Nicrofer® 7520 - alloy 75 (UNS N06075)
Nicrofer® 6020hMo - alloy 625 (UNS N06625) Nicrofer® 5020 hMo - alloy 50 PLUS (UNS N06650) Nicrofer® 5120 CoTi - alloy C-263 (UNS N07263)
Nicrofer® 3220H, 3220HP - alloy 800H, 800HP (UNS N08800,08811) Nimofer® 6928 - alloy B-2 (UNS N10665) Nicrofer® 4722 Co - alloy X (UNS N06002)
Nicrofer® 3718, 3718 So - alloy DS (UNS N08330) Nicrofer® 6616 hMo - alloy C-4 (UNS N06455) Aluchrom Yhf (Wr.Nr. 1.4767)
Nicrofer® 7216 - alloy 600 / 600H (UNS N06600)    

Working and Machining Nickel Alloys Brochure

Nickel-base alloys and High-alloyed austenitic stainless steels can readily be worked and machined by all conventional processes. However, extremely exacting demands are made on tools and fixtures. The information in this brochure will help you obtain the best and most cost
effective results.

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Nickel 99.2 - alloy 200 (UNS N02200) Corrosion Technical Specification

Unalloyed, commercially pure wrought nickel. Combines good mechanical properties at a wide range of temperatures with excellent corrosion resistance in many alkaline media. Used in chemical process plant for caustic soda, and also in food handling equipment.

Nicorros® - alloy 400 (UNS N04400) Corrosion Technical Specification

A nickel-copper alloy with good corrosion resistance in a broad range of marine and chemical environments. Good mechanical properties from sub-zero up to around 550deg C.Used for a very wide range of componentry - from fasteners to pipework, from heat exchanger tubes to petroleum refining equipment.

Virtually immune to chloride induced stress corrosion cracking.

Nicorros® Al - alloy K500 (UNS N05500) Corrosion Technical Specification

Age-hardenable version of Alloy 400 with additions of aluminium and titanium. After age-hardening this alloy provides up to 2 to 3 times higher mechanical properties than Alloy 400. Uses include pump shafts, springs, fasteners, propeller shafts, non-magnetic drill collars, wear rings in marine environments.

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Nicrofer® 3127hMo - alloy 31 (UNS N08031) Corrosion Technical Specification

Nicrofer 3127 hMo is an iron-nickel-chromium-molybdenum alloy with nitrogen addition. Developed by ThyssenKrupp VDM to fill the gap between existing superaustenitic stainless steels and nickel-base alloys. Particularly well suited to chemical and petrochemical industry applications, environmental engineering, and oil & gas production. Outstanding resistance to: corrosion in halide media - acidic and basic; to sulphuric acid - even highly concentrated; to erosion-corrosion in phosphoric acid media; and excellent resistance to localised and general corrosion in chlorine dioxide bleach media. Approval for pressure-vessel use with wall temperatures of -196 to 550°C.

Nicrofer® 5923 hMo - alloy 59 (UNS N06059) Corrosion Technical Specification

A super-austenitic Ni-Cr-Mo alloy developed by ThyssenKrupp VDM. Outstanding resistance to a wide range of corrosive media under oxidising and reducing conditions, and good workability and weldability without susceptibility to post-weld cracking. Excellent resistance to mineral acids, such as nitric, phosphoric, sulphuric and hydrochloric acids and in particular to sulphuric and hydrochloric acid mixtures. Alloy 59 has a wide range of applications in the chemical, petrochemical and pharmaceutical industries, in energy production, and in pollution control equipment.

Nicrofer® 5716hMoW - alloy C276 (UNS N10276) Corrosion Technical Specification

A nickel-chromium-molybdenum alloy containing tungsten, and with extremely low carbon and silicon contents. Excellent resistance to a wide range of corrosive media in both oxidising and reducing conditions. Outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Widely used in severe environments in chemical processing.

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Nicrofer® 4221 - alloy 825 (UNS N08825) Corrosion Technical Specification

A nickel-iron-chromium alloy with excellent resistance to sulphuric and phosphoric acids, and resistant to oxidizing and non-oxidizing hot acids. Nicrofer 4221 is used in a wide variety of applications up to approximately 550°C. Approval for pressure vessels with wall temperatures up to 450°C . Typical applications include chemical and petrochemical processes, waste processing, oil and gas extraction, pollution control systems.

Nicrofer® 6020hMo - alloy 625 (UNS N06625) Corrosion / High Temp. Technical Specification

A low carbon Ni-Cr-Mo-Nb alloy, Nicrofer 6020 hMo has outstanding resistance to pitting, crevice corrosion, erosion and intergranular attack, and almost complete freedom from chloride-induced stress-corrosion cracking. Good resistance to mineral acids such as nitric, phosphoric, sulphuric and hydrochloric acids and also to alkalis and organic acids. Suited to applications in chemical/petrochemical processing, superphosphoric acid production, marine engineering, pollution control, and environmental protection. Pressure vessel approvals.

Nicrofer® 3220H, 3220HP - alloy 800H, 800HP (UNS N08800,08811) High Temperature Technical Specification

Good resistance to reducing, oxidizing and nitriding atmospheres and those which alternate between reducing and oxidizing conditions. Metallurgical stability and high creep strength in long-term applications at high temperatures. Widely used in petrochemical and thermal processing. Examples - steam/hydrocarbon reforming components such as pigtails, headers/ collectors/manifolds, transfer piping, catalyst tubes (in low-pressure processes) and quench-system piping.

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Nicrofer® 3718, 3718 So - alloy DS (UNS N08330) High Temperature Technical Specification

Nickel-iron-chromium alloy with approx. 2% silicon. Good oxidation and scale resistance to 1000°C. Excellent resistance to carburisation, and to alternating carburising /oxidising atmospheres. Good mechanical properties with high strength at elevated temperatures. Used in thermal processing and heat treatment applications such as - fans and baskets in carburising furnaces, hangers, refractory anchors, hooks and furnace conveyor chains. Also used in flare stack tips, and components handling cracked ammonia.

Nicrofer® 7216 - alloy 600 / 600H (UNS N06600) High Temperature Technical Specification

A nickel-chromium-iron alloy with good resistance to oxidation, carburisation, and nitridation. Also good resistance to stress corrosion cracking and caustic corrosion. Good mechanical properties at sub-zero, room, and elevated temperatures. Used in heat treatment retorts and equipment, chemical and petrochemical processing, nuclear reactor components.

Nicrofer® 7216 LC - alloy 600 L (UNS N06600)mod. Corrosion / High Temp. Technical Specification

This is a special low-carbon version of Nicrofer 7216, with a carbon content limited to a maximum of 0.025%. It is characterized by excellent resistance to intergranular corrosion, virtual immunity to chloride-ion stress-corrosion cracking (even at elevated temperatures), and very good resistance to high-temperature corrosion in dry chlorine and hydrogen chloride. It is used mainly as a material resistant to aqueous corrosion at temperatures below about 450 °C (840 °F).

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Nicrofer® 6023 - alloy 601 (UNS N06601) High Temperature Technical Specification

Nickel-chromium-iron alloy with additions of aluminium and titanium. This alloy exhibits outstanding high temperature strength and oxidation resistance. Also good resistance to carburising and oxidising sulphur bearing atmospheres. Used in industries as diverse as thermal and chemical processing, pollution control, and power generation.

Nicrofer® 6025HT - alloy 602CA (UNS N06025) High Temperature Technical Specification

Nicrofer 6025HT is a high-carbon Ni-Cr-Fe alloy with additions of Ti + Zr, and aluminium + yttrium. Excellent high-temperature creep properties and fatigue strength in the HCF (high cycle fatigue) and LCF (low cycle fatigue) mode. Exceptional resistance to oxidation at higher temperatures, even under cyclic conditions and very good high temperature corrosion resistance in carburising and oxidizing./chlorinating media, also under "metal dusting” conditions. Applications include Radiant Tubes, Furnace Rolls, Muffles, and components in Chemical / Petrochemical Reformers, Hydrogen production, and Waste gas systems. Pressure Vessel approvals.

Nicrofer® 4823 hMo - alloy G-3 (UNS N06985) High Temperature Technical Specification

A stabilized austenitic Ni-Cr-Fe alloy of high molybdenum content and with an addition of copper. It has very good resistance to a wide range of corrosive media under both oxidising and reducing conditions, excellent resistance to crevice and pitting corrosion, and to stress corrosion cracking.

Finds wide application in the chemical / petrochemical industry for components handling sulphuric and phosphoric acids at ambient and higher temperatures. Typical applications include equipment for the dissolution of waste nuclear fuel elements; components for flue gas desulphurisation systems; equipment and components in sour gas service; equipment for acetic acid manufacture.

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Nicrofer® 5520 Co - alloy 617 (UNS N06617) High Temperature Technical Specification

A Ni-Cr-Co-Mo alloy with excellent high temperature mechanical properties and outstanding resistance to oxidation and carburisation up to 1100 deg C. Especially indicated where high temperatures and extremely high mechanical stresses are present. Recommended temperature range is up to 1000 °C. It is particularly effective for the fabrication of thin-walled structural parts to minimise weight. Used in components for industrial & aircraft gas turbine, air heaters, furnace muffles, radiant tubes, high temperature heat exchangers, valves and springs, high temperature gas cooled nuclear reactors, chemical industry (styrene), pigtails, petrochemical industry furnace tubing.

Nicrofer® 5219 Nb – alloy 718 (UNS N07718) Corrosion / High Temp. Technical Specification

A precipitation-hardenable Ni-Cr-Fe alloy with significant amounts of Nb and Mo and lesser amounts of Al and Ti. With good ductility in annealed condition, high-temperature strength to 700 °C, excellent corrosion resistance and ease of fabrication, it finds applications in many fields; e.g. Turbine discs, highly stressed gas turbine components, high-strength bolting, springs, fasteners, nuclear reactor components, high-temperature extrusion tooling, (eg for copper), and shearing. Also pump shafts and highly stressed well head and downhole components in offshore and marine engineering, and drilling equipment in sour (containing I-12S, CO, and chlorides) oil and gas wells.

Nicrofer® 7016 TiNb – alloy X-750 (UNS N07750) High Temperature Technical Specification

A precipitation hardenable Ni-Cr-Fe alloy containing Ti, Nb and Al. Exhibits good corrosion resistance and mechanical properties at high and low temperatures. It can be delivered in solution-treated or precipitation-hardened condition. Characteristics:- high tensile strength to 600°C, high oxidation resistance to 980°C, high resistance to S.C.C., good weldability. With these properties and its high creep and rupture strength to 820 °C, Nicrofer 7016 TiNb finds a wide range of applications e.g. industrial and aircraft turbines, rockets, components for cryogenic purposes, pressure vessels, extrusion and forming tools, nuclear reactors, springs, bellows and bolts.

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Nicrofer® 5621 hMoW - alloy 22 (UNS N06022) Corrosion Technical Specification

Nicrofer 5621 hMoW is a nickel-chromium-molybdenum alloy containing tungsten and extremely low carbon and silicon contents. The versatile nature of Nicrofer 5621 hMoW combined with its excellent mechanical properties mean that it can be used in a wide variety of situations, including; flue gas desulphurisation, electrolytic galvanizing, plate heat exchangers, chemicals production, incineration plants, combustion-resistant alloy for high pressure oxygen applications.

Nicrofer® 5020 hMo - alloy 50 PLUS (UNS N06650) Corrosion Technical Specification

A low-carbon Ni-Cr-Fe-Mo alloy with excellent corrosion resistance to many corrosive media. Can be used for wet-corrosion applications in the solution-annealed or stabilized condition. Exceptional resistance to pitting and crevice corrosion and to erosion and intergranular corrosion. Also resistant to chloride-induced S.C.C. and to mineral acids such as nitric, phosphoric, sulphuric & hydrochloric acid, and to alkalis and organic acids. Due to its high strength, heat treated low-carbon alloy Nicrofer 5020 hMo is suitable for applications in the chemical process industry, and for components in contact with seawater- permitting the use of very thin structural elements.

Nimofer® 6928 - alloy B-2 (UNS N10665) Corrosion Technical Specification

A corrosion-resistant solid-solution nickel-molybdenum alloy, Nimofer 6928 exhibits excellent corrosion resistance in aggressive reducing media such as hydrochloric acid in a wide range of temperatures and concentrations, as well as in medium-concentrated sulphuric acid even with limited chloride contamination. Can also be used in acetic and phosphoric acids, and to a wide range of organic acids. The alloy has good resistance to chloride-induced stress-corrosion cracking (SCC).

Nimofer 6926 is used in a wide range of applications in the chemical process industry, especially for processes involving sulphuric, hydrochloric, phosphoric and acetic acid.

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Nicrofer® 6616 hMo - alloy C-4 (UNS N06455) Corrosion Technical Specification

An austenitic low-carbon Ni-Mo alloy. With reduced C, Si, Fe, and W contents compared to similar earlier alloys, it shows greater stability to extended exposure in the 650 - 1040 °C range, therefore improved intergranular corrosion resistance. Knife line corrosion and weld decay in the HAZ is avoided under proper manufacturing conditions. Good resistance to corrosive media particularly in reducing conditions, and to localized corrosion in halide media. Used in a wide range of chemical processes, ambient to higher temperatures, including; F.G.D., pickling baths, acetic acid production and agrochemicals production; TiO2 production (chloride route), and electrolytic galvanizing rolls.

Cronifer® 1925 hMo - alloy 926 (UNS N08926) Corrosion Technical Specification

This superaustenitic stainless steel was developed by ThyssenKrupp VDM. By increasing the Mo and Nitrogen contents of Cronifer 1925 LC - alloy 904L, a markedly improved material was obtained. The alloy shows significantly higher resistance to localized corrosion in halide media, and superior mechanical properties. Improved metallurgical stability over similar grades with only 18% Nickel. Used in seawater filtration, offshore piping systems, bleaching plants, sour gas production, flue gas desulphurisation, sulphuric acid distribution & coolers, salt concentrators, power station cooling systems, containers for aggressive chemicals, reverse-osmosis desalination plants.

Nicrofer® 3033 - alloy 33 (UNS R20033) Corrosion Technical Specification

A high-chromium austenitic alloy developed by ThyssenKrupp VDM. Combines ease of fabrication with outstanding resistance to highly oxidizing media such as concentrated sulphuric acid. Despite low Mo content, it shows excellent resistance to localized corrosion in halide media. The nitrogen content ensures high mechanical properties with good ductility. Typical applications are in sulphuric acid plant, nitric-hydrofluoric acid pickling plant, seawater systems, plate or tubular heat exchangers using brackish or seawater as coolant, bleaching plant for chemical pulp.

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Nicrofer® 3620 Nb - alloy 20 (UNS N08020) Corrosion Technical Specification

A low carbon Nb stabilised austenitic Ni-Fe-Cr alloy with additions of Cu and Mo. This alloy has excellent resistance to sulphuric and phosphoric acids, and good resistance to intergranular, crevice, and pitting corrosion. Good mechanical properties at both ambient and elevated temperatures. Used in a wide variety of applications up to temperatures of approximately 500 °C, including: equipment for manufacture of sulphuric acid, and for processes based on sulphuric acid. Also production of plastics and synthetic fibres, processing of pharmaceuticals, and food processing equipment.

Nicrofer® 4320 Ti (UNS N09925) Corrosion Technical Specification

A precipitation-hardenable austenitic Ni-Fe-Cr alloy containing Mo, Cu, Ti and Al. It exhibits high strength at temperatures up to approx. 550 °C and shows excellent corrosion resistance including resistance to sulfide stress cracking (SSC) under ‘sour’ (H2S containing) conditions. It is used for surface and down-hole applications in oil production. Nicrofer 4320 Ti finds application in oil and natural gas exploration and production particularly in ‘sour’ environments. Typically these are tool joints, down-hole and surface gas-well components, pump shafting and similar high-strength hardware particularly in marine environments and others containing both chlorides and sulfides.

Nicrofer® S5020 / FM 50 welding filler metal Technical Specification

Typical applications for filler metal Nicrofer S 5020 - FM 50 (2.4849) are as follows: in the offshore industry for joint welding of 6-Mo, duplex and super duplex stainless steels; also for weld-cladding of flanges. In industrial fabrication for weld-cladding of boiler tubes in waste incineration plants.

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Nicrofer® 6030 - alloy 690 (UNS N06690) Corrosion Technical Specification

A Ni-Cr-Fe alloy. With approx. 30 % Cr it is particularly suitable for service in oxidizing media. Has very good resistance to: fluoride-contaminated hot nitric acid; high temperature sulfidation in gaseous environments; and to caustic cracking. Excellent resistance to stress-corrosion cracking in chloride media and polythionic acids. High mechanical properties at both room and elevated temperatures, and good ductility. Applications - radioactive waste processing, steam-generator internals in pressurized water reactors, production of alkali-metal sulfates (Mannheim furnace), components in furnaces fired with heavy fuel oil (fuel-ash corrosion), and glass/silicate production.

Nicrofer® 45 TM - alloy 45 TM (UNS N06045) High Temperature Technical Specification

A high-chromium austenitic Ni-Cr-Fe alloy with controlled silicon content and rare earth additions. The formation of a protective chromium oxide layer together with subjacent silicon oxide layer makes the alloy especially suitable for applications such as waste incineration and heat treatment / industrial furnace internals. It has excellent oxidation resistance to 1000°C, good heat resistance and creep properties, and excellent resistance in oxidizing, reducing, nitriding and sulphur containing media even under alternating conditions. Excellent properties in waste incineration environments up to 850 °C, approved for pressure vessels with operating temperatures of -196 to 550°C.

Nicrofer® 7520 - alloy 75 (UNS N06075) High Temperature Technical Specification

A high-temperature creep-resistant Ni-Cr-Fe alloy with controlled carbon content and a small addition of titanium. Has excellent resistance to oxidizing up to 1100 °C, good mechanical properties, high scaling resistance, and good metallurgical stability. It has wide application in high temperature service up to 1100 °C. Typical applications include: components for industrial and aircraft gas turbines (casings, combustion chambers, ducting); industrial furnace components; high temperature fasteners, springs, dies and cores; thermocouple sheathing.

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Nicrofer® 5120 CoTi - alloy C-263 (UNS N07263) High Temperature Technical Specification

A high-temperature precipitation-hardening creep-resisting Ni-Cr-Co-Mo alloy developed by Rolls-Royce. Normally supplied in the high-temperature annealed condition, it is recommended for service up to 850 °C. Has excellent oxidation and scaling resistance up to 1000 °C, and good mechanical properties. Also good weldability without susceptibility to post-weld heat treatment cracking, and improved wear characteristics. With high-temperature strength up to 815 °C and ease of fabrication and weldability, it finds wide application in high-temperature service, e.g. aircraft and industrial gas turbines, combustion chambers, exhaust cones and rings.

Nicrofer® 4722 Co - alloy X (UNS N06002) High Temperature Technical Specification

A high-temperature matrix stiffened Ni-Cr-Mo-Fe alloy with cobalt and tungsten additions. Has excellent oxidation resistance up to 1200 °C, high-temperature strength, good formability and weldability, and good resistance to stress corrosion cracking. Due to its corrosion resistance in various atmospheres up to very high temperatures and excellent high-temperature strength, it finds wide application in high-temperature service including: components for gas turbines (combustion chambers, honeycombs, housings etc.); industrial furnace parts, support rolls, grids, wire belts and radiant tubes; pigtails in petrochemical furnaces; high temperature gas cooled nuclear reactors.

Aluchrom Yhf (Wr.Nr. 1.4767) High Temperature Technical Specification

Aluchrom YHf is an Al containing ferritic chromium steel alloyed with yttrium and hafnium. Due to the high contents of Al and Cr in combination with yttrium and hafnium the alloy has good high temperature stability, good oxidation resistance under isothermal and cyclic conditions, and good high-temperature strength. Approval for pressure vessels with service temperatures up to 899 °C according to ASME code case 2359 and up to 1150°C according to VdTUV Werkstoffblatt (material data sheet) 540 has been granted. Mainly used as a metallic substrate for automotive catalytic converters, heating elements for hot plates, and heating shields in gas burners.

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