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Super alloys or high-performance alloys are divided into three types, including iron-based alloys, cobalt-based alloys and nickel-based alloys. These alloys can be strengthened by precipitation hardening, solid solution hardening and work hardening methods.
Super alloys have good oxidation resistance and creep resistance, and are available in a variety of shapes. These alloys can function under high mechanical stress and high temperature and where high surface stability is required.
Super alloy A-286 is an iron-based high-temperature high-strength alloy. The following data sheet provides an overview of Super Alloy A-286.
The following table lists the chemical composition of super alloy A-286.
The following table shows the physical properties of super alloy A-286.
The mechanical properties of super alloy A-286 are shown in the table below.
The following table shows the equivalent materials of superalloy A-286.
Super alloy A-286 can be easily cold worked. When this alloy is work hardened due to severe cold forming, solution annealing heat treatment is recommended. Therefore, this solution annealing heat treatment will soften the super alloy A-286.
The welding method used for stainless steel is also recommended for super alloy A-286. The welding area should be clean. Post-weld heat treatment or preheating of this alloy is not recommended. When this alloy is solution annealed, better welding results can be obtained.
Heavy forging and light forging are suitable for super alloy A-286. The heavy forging is carried out between 1010-1204°C (1850-2200°F), and the light forging is carried out between 871-1010°C (1600-1850°F).
Conventional forming methods are used to easily hot or cold form super alloy A-286.
Conventional processing techniques are used to easily process superalloy A-286. This machining process includes turning, drilling and milling. In turning operations, it is recommended to use carbide tools to obtain high cutting rates.
Before the aging process, super alloy A-286 is first solution heat treated at 982°C (1800°F). Aging for 16 hours at 718°C (1325°F), then cooling the alloy in air.
Super alloy A-286 is hardened through a cold working process, and due to the presence of titanium in the alloy, it can also be age hardened.
Superalloy A-286 is solution annealed at 982°C (1800°F), oil quenched, kept at 718°C (1325°F) for 16 hours, and finally cooled in air. This heat treatment improves the strength of super alloy A-286.
Super alloy A-286 is used for gas turbine forgings, fasteners, superchargers, cryogenic equipment, missile parts, corrosive deep well hardware and jet engines.
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