Incoloy® 660

Incoloy® 660, better known as A-286, is an age-hardenable iron-nickel-chromium superalloy that keeps useful strength to around 700 °C. It is widely used for turbine fasteners, discs and non-rotating engine hardware where a fully nickel-based alloy is not warranted.

Available Forms

Aurico Alloys LLP supplies Incoloy® 660 in plates, round bars and sheets, with material test certificates (EN 10204 3.1) and export-ready packaging from Mumbai, India. Contact us for stock availability and pricing.

Specifications by Product Form

Incoloy 660 (A286) (S66286) is supplied to a different standard in each form. Quote the one that matches the product you are ordering.

Product form	Specification
Plate, sheet and strip	AMS 5525 / 5858
Rod and bar	ASTM A638 / ASME SA-638 / AMS 5731 / 5732 / 5734 / 5737
Pipe and tube	AMS 5731 / 5732 / 5734 / 5737

Equivalent Grades & Standards

Equivalent designations and physical constants for Incoloy 660 (A286)
Property	Value
UNS number	S66286
Density	7.94 g/cm³
Melting range	1371-1427 °C

Identifiers and physical constants for Incoloy 660 (A286). A dash means no such designation is published for this grade.