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
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.
VDM® - 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.
VDM® - 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.
VDM® - 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.
VDM® - alloy 31 (UNS N08031) Corrosion Technical Specification
An iron-nickel-chromium-molybdenum alloy with nitrogen addition. Developed by 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.
VDM® - alloy 59 (UNS N06059) Corrosion Technical Specification
A super-austenitic Ni-Cr-Mo alloy developed by 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.
VDM® - 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.
VDM® - 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. 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.
VDM® - alloy 625 (UNS N06625) Corrosion / High Temp. Technical Specification
A low carbon Ni-Cr-Mo-Nb alloy, 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.
VDM® - 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.
VDM® - 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.
VDM® - 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.
VDM® - 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.
VDM® - alloy 602CA (UNS N06025) High Temperature Technical Specification
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.
VDM® – 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.
VDM® – 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.
VDM® - alloy 22 (UNS N06022) Corrosion Technical Specification
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.
VDM® - alloy 926 (UNS N08926) Corrosion Technical Specification
This superaustenitic stainless steel was developed by 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.
VDM® - 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.
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.