Grade 660 A B C
An alloy that is precipitation hardenable for high mechanical properties. The alloy maintains good strength and oxidation resistance at temperatures up to about 1300°F (700°C). The alloy’s high strength and excellent fabrication characteristics make it useful for various components of aircraft and industrial gas turbines.

Applications include blades, vanes, shafts, tail cones, afterburners, springs, and fasteners. This alloy is also used for automotive applications.

A-286 Chemical composition:

Aleación % Ni Cr Mo B Fe Al Ti C Mn Si V S
A-286 Min. 24 13.5 1.0 0.001 1.9 0.1
Max. 27 16 1.5 0.01 Balance 0.35 2.35 0.08 2.0 1.0 0.5 0.03

A-286 Physical properties:
Density 7.93 g/cm3
Melting range 1364-1424℃

A-286 minimum mechanical properties in the room temperature:
Status Tensile strength
Rm N/mm2
Yield strength
A5 %
A-286 950 680 28
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