Nickel Alloys
| Products Round, Flat, Square, Hexagon, Ground Bar.Pipe Fittings, Flanges Welded Pipe, Seamless Pipe.Hollow BarSheet, Plate, Strip In Coil.ForgingsCastings | Grades Alloy 200Alloy 400Alloy K500Alloy 600Alloy 625Alloy 718Alloy 800HTAlloy 825Alloy C276Alloy B2Alloy C22 | Services Shearing, Plasma Arc Cutting, Waterjet Cutting, Plate Sawing, Bar/Tube Sawing, Polishing, Centreless Grinding, Bar Boring, Machining |
Alloy 400
A strong weldable Nickel-Copper Alloy resistant to corrosion by sea water. Used in steam generators, feedwater heaters, cladding of offshore installations, pump and propeller shafts, marine fixtures and fasteners, also chemical processing equipment.
Alloy K500
A Nickel-Copper Alloy with corrosion resistance similar to alloy 400 but with higher strength and hardness. It has excellent dimensional stability and low magnetic permeability. It also has excellent cryogenic properties to -253 deg Celcius. This alloy can be strengthened by both cold working and precipitation hardening.
Alloy 600
A Nickel-Chromium-Iron Alloy for use in environments requiring resistance to heat and corrosion. The high nickel content makes it resistant to corrosion by a number of organic and inorganic compounds and gives excellent resistance to chloride-ion stress-corrosion cracking. The Chromium content gives the alloy resistance to sulphur compounds and various oxidizing environments. In addition it has good mechanical properties and a combination of high strength and good workability. The alloy will work well in applications with temperatures from cryogenic up to 1090 deg Celcius. Applications include; chemical, food processing and furnace equipment.
Alloy 800H
Is similar to Alloy 800 except the carbon is maintained at the upper end of the carbon range of alloy 800. Combined with an annealing treatment that produces a coarser grain size, the alloy is more adaptable to higher rupture and creep strength. These features, in addition to the alloy’s good high temperature corrosion resistance, produce an alloy that is best suited to long time operation at high temperatures and/or corrosive atmospheres.
Alloy 625
A Nickel-Chromium-Molybdenum-Columbium Alloy suited for applications where corrosion resistance and strength are required. It demonstrates high fatigue strength and toughness at temperatures ranging from cryogenic to 1090 deg Celcius. It is resistant to pitting and crevice corrosion, general corrosion and oxidation and is almost resistant to chloride-ion stress-corrosion cracking. These properties are derived from the addition of molybdenum and columbium to the alloy’s basic nickel-chromium composition. In addition this alloy is readily fabricated by standard industry practices . The combination of strength, corrosion resistance and relative ease of fabrication make it suitable for a variety of applications such as; heat exchangers, reaction vessels, distillation columns and valves for chemical processing plants, sea water applications, nuclear reactor components. The alloy can be heat treated in such a way as to give 0.2% offset yield strength of a minimum of 80,000 psi and even up to 100,000 psi whilst still remaining within the NACE MR-01-75 hardness requirements of 35 Rockwell C max.
Alloy 825
Is a Nickel-Iron-Chromium-Molybdenum-Copper Alloy for use in extremely corrosive environments. The nickel content makes this alloy resistant to chloride-ion strees-corrosion cracking. The additions of molybdenum and copper give the alloy resistance to pitting and to corrosion in reducing acid environments such as sulphuric or phosphoric acid solutions. The chromium content provides resistance to various oxidizing environments such as nitrates, nitric acid solutions and oxidizing salts. The wide ranging corrosive resistant properties make the alloy suitable for a variety of difficult applications. Uses include chemical and petro chemical processing plants, pulp and paper manufacturing and metal pickling operations.
Alloy C-276
This alloy is a Nickel-Chromium alloy with a high Molybdenum and Tungsten but low Iron and Silicon contents, which provides superior corrosion resistance to a wide variety of environments. The composition is specially formulated to maintain corrosion resistance, even in the weld heat-affected zone, thus making it suitable even in the as-welded condition. The alloy has excellent resistance to general pitting and stress-corrosion cracking and resists oxidation up to aprrox. 1038 deg Celcius. The alloy has shown remarkable corrosion resistance in the especially corrosive areas of flue gas desulphurisation systems, such as outlet ducting leading to the stack. It has also been used to solve corrosion problem areas in sewage treatment plants.
Alloy C4
An alloy with outstanding resistance to a wide range of severe corrosive environments, including hot acids. It is also very resistant to stress-corrosion cracking in hot chloride and alkaline solutions and to pitting and crevice corrosion. Applications include fasteners and chemical process equipment.
Alloy B2
This is a Nickel alloy containing 28% Molybdenum, and with its Iron, Molybdenum and Carbon levels carefully controlled to minimise precipitation in the heat-affected zone during welding. As a result, the alloy can usually be used in the as-welded condition without the problems of knife-line corrosion and weld decay. The high Molybdenum content gives excellent resistance to severe non-oxidising environments, particularly hot hydrochloric acid. It is resistant to stress-corrosion cracking in hot chloride solutions.