Gr660 (A-286) Studs
Gr660 (A-286) studs is a metal rod or bar with threads on both sides. It also known as double-headed screws or studs, used to connect two parts together. General for mining machinery, bridges, cars, motorcycles, boiler steel structure, hanging tower, large span steel structure and large buildings.
We tend to use studs when the parts need to remove frequently, because the thread will be worn if install and remove often, then we need to change the studs.
Gr660 (A-286) is Fe-25Ni-15Cr-based superalloy, and it were synthesized by the addition of molybdenum (Mo), Ti, aluminum (Al), vanadium (V) and trace boron (B). At 650 ℃ below the high yield strength and durability, creep strength, and has a good processing of plastic and satisfactory welding performance. Suitable for the manufacture of 650 ℃ in the long-term work under the long-term aircraft engine high-temperature bearing parts, such as turbine disk, press plate, rotor blades and fasteners. The alloy can produce various shapes of deformed products such as discs, forgings, plates, rods, wires and rings.
High-quality A 286 alloy is developed on the basis of A-286 alloy, as long as it is to improve the alloy purity, limit the gas content, control the low melting point element content, and adjust the heat treatment system, so that the alloy heat and long-term performance improve.
Gr660 (A-286) Application:
For 700 ° C under the turbine plate, ring body, stamping welding parts, fastening parts materials.
Widely used in the manufacture of aircraft engines and industrial gas turbine components, such as turbine blades, afterburner, etc., in the car engine is also widely used.
Gr660 A-286 Chemical composition:
Gr660 A-286 Physical properties:
Gr660 A-286 minimum mechanical properties in the room temperature:
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