C263

C263 is a nickel base precipitation hardening equiaxed grain casting superalloy with service temperature below 850 ℃. Aluminum, chromium, cobalt and molybdenum are added to the alloy for solid solution strengthening, and aluminum, titanium and other elements are added to form γ Aging strengthening phase.

Equivalent Grades

Trademark	GB	GOST	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
–	K4163	–	C263	–	–	–	–	–	–	–

Chemical Composition, %

Alloy

C263

0.04-0.08

≤0.40

≤0.60

–

≤0.007

19.5-21.0

Bal

18.5-21.0

≤0.20

5.6-6.1

0.4-0.6

2.0-2.4

≤0.70

Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3	Melting Point, ℃	Tensile Strength, MPa	Yield Strength, MPa	ELongation, %	Hardness, HRB
8.33	1370	680	450	14	/

Available Products and Specifications

Rod, Bar, Wire and Forgings	–
Plate, Sheet and Strip	–
Pipe and Tube	–
Welding Product	–
Others	–

Features

The alloy has good comprehensive mechanical properties and fatigue resistance, good oxidation and corrosion resistance, and good casting and welding properties.

Applications

The alloy has been used to manufacture parts requiring high oxidation resistance in aviation engine and, such as inner and outer mounting edge of support plate, fuel inlet edge, air pipe joint, igniter, diffuser, etc