Incoloy Buttweld Fittings
Incoloy refers to a range of superalloys produced by the Special Metals Corporation group of companies. They are mostly nickel-based, and designed for excellent corrosion resistance as well as strength at high temperatures; there are specific alloys for resistance to particular chemical attacks (e.g. alloy 020 is designed to be resistance to sulphuric acid, DS to be used in heat-treating furnaces with reactive atmospheres and many heat cycles)
The registered trademark name, Incoloy, is applied as the prefix name to several highly corrosion resistant high temperature strength metal alloys produced by Special Metals Corporation. These Incoloy alloys or superalloys are nickel-based alloys that exhibit traits that include good corrosion resistance in aqueous environments, excellent strength and oxidation resistance in high-temperature settings, good creep-rupture strength, and ease of fabrication.
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Alloys of identical chemical and mechanical properties are available from other manufacturers and offer excellent alternatives to the various Incoloy brand alloys.
The corrosion-resistant superalloys are widely used in extreme environments where tremendous heat and corrosion resistance is paramount to the integrity of the end product. Chemical and petrochemical processing, power plants, and oil and gas industries widely use these superalloys.
Incoloy Availability
Hallmark Metallica supplies Incoloy 800, and 825 in the form of plate, sheet, bar, wire, pipe, tubing, pipe fittings, and flanges.
Standards:
ASTM B366
Characteristics of Incoloy
- Good corrosion resistance in aqueous environments
- Excellent strength resistance in high-temperature settings
- Excellent oxidation and carburization resistance in high-temperature settings
- Good creep-rupture strength
- Ease of fabrication
Applications
- Process piping, heat exchangers, carburizing equipment, heating-element sheathing, nuclear steam-generator tubing
- Chemical and petrochemical processing, power plants, industrial furnaces, heat-treating equipment
- Pollution-control equipment, oil and gas well piping, nuclear fuel reprocessing, acid production, pickling equipment
Superalloys, also known as high performance alloys, have become the steel of choice for corrosion resistance and versatility.
