Nickel Alloys
Nickel alloys take over where stainless steels reach their limits: severe acids, chloride stress corrosion cracking, seawater, sour gas and temperatures above 1,000 °C. Bright Tubes supplies Inconel, Incoloy, Monel, Hastelloy and pure nickel grades as pipes, tubes, plates, sheets, bars, fittings, flanges and fasteners, to ASTM/ASME B-specifications.
Nickel Alloys grades
Inconel
Nickel-chromium alloys that resist oxidation, carburisation and chloride stress corrosion cracking, from high-temperature furnace parts to seawater and chemical service.
- Inconel 600a nickel-chromium-iron alloy with excellent resistance to oxidation, carburisation and chloride stress corrosion cracking, from cryogenic temperatures to about 1,100 °C.
- Inconel 601a nickel-chromium alloy with an aluminium addition for outstanding resistance to high-temperature oxidation and scaling, up to about 1,200 °C.
- Inconel 625a nickel-chromium-molybdenum-niobium alloy with high strength and outstanding resistance to pitting, crevice corrosion and chloride SCC, from cryogenic temperatures to about 980 °C.
- Inconel 718a precipitation-hardenable nickel-chromium-iron alloy with very high yield, tensile and creep-rupture strength up to about 650 °C.
Incoloy
Iron-nickel-chromium alloys that bridge stainless steels and nickel alloys: 800-series for high-temperature strength, and 825 for acid and sour-service corrosion.
- Incoloy 800an iron-nickel-chromium alloy with good strength and excellent resistance to oxidation and carburisation, used mainly up to about 600 °C for strength-governed design.
- Incoloy 800Hthe controlled-carbon, coarse-grain version of Alloy 800, with high creep and stress-rupture strength for service above about 600 °C.
- Incoloy 800HTan 800H-type alloy with tighter carbon and combined aluminium-plus-titanium control, giving the highest creep-rupture strength of the Alloy 800 family.
- Incoloy 825a nickel-iron-chromium alloy with molybdenum, copper and titanium additions, giving excellent resistance to sulphuric and phosphoric acids, sour gas and chloride stress corrosion cracking.
Monel
Nickel-copper alloys known for resistance to seawater, hydrofluoric acid and alkalis, with an age-hardenable version for high-strength shafts and fasteners.
- Monel 400a nickel-copper alloy with excellent resistance to seawater, hydrofluoric acid, sulphuric acid under reducing conditions, and alkalis.
- Monel K-500an age-hardenable nickel-copper alloy that adds aluminium and titanium to Alloy 400, giving about three times its yield strength with similar corrosion resistance.
Hastelloy
Nickel-chromium-molybdenum alloys for the most aggressive chemical environments: mixed acids, wet chlorine, hypochlorites and chloride-rich process streams.
- Hastelloy C22a nickel-chromium-molybdenum-tungsten alloy with outstanding resistance to both oxidising and reducing media, pitting, crevice corrosion and chloride SCC.
- Hastelloy C276a nickel-molybdenum-chromium-tungsten alloy with exceptional resistance to a wide range of severe chemical environments, including hot contaminated mineral acids, wet chlorine and hypochlorites.
Pure Nickel
Commercially pure wrought nickel for caustic soda, food and electronics applications, where high thermal and electrical conductivity and alkali resistance are needed.
- Nickel 200commercially pure (99.0% min) wrought nickel with excellent resistance to caustic alkalis, good mechanical properties, and high thermal and electrical conductivity.
- Nickel 201the low-carbon version of commercially pure Nickel 200, suitable for service above about 315 °C without graphitisation embrittlement.
Nickel Alloys: comparisons, charts & tools
Comparisons
Frequently asked questions
Are Inconel and Alloy 625 the same?
Inconel is a trademark of Special Metals. Material produced to the same specification (ASTM B444, B443 and others) is designated Alloy 625, UNS N06625. We supply against the specification on your order.
Which nickel alloy is best for sulphuric acid?
Alloy 825 and SS 904L are common for many conditions. C276 and C22 handle hotter or contaminated acids. Corrosion data should confirm the choice.
How many nickel alloys grades do you supply?
14 grades and products, in 11 product forms: pipes, tubes, plates, sheets, coils, bars, fittings, flanges, bolts, nuts, washers.
Which standards apply to nickel alloys?
Do you export worldwide?
Yes: to the GCC, Southeast Asia, Europe, the USA, the UK and beyond, with export packing and documentation.
Looking for nickel alloys?
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