Rene 77

Rene 77 is a nickel base precipitation hardening equiaxed grain casting superalloy with service temperature below 900 ℃.

Equivalent Grades

Trademark	GB	GOST	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
–	K477	–	Rene 77	–	–	–	–	–	–	–

Chemical Composition, %

Alloy

Rene 77

0.05-0.09

≤0.2

≤0.15

≤0.015

14.0-15.25

Bal

14.0-16.0

3.9-4.5

4.0-4.6

3.0-3.7

0.012-0.02

≤0.5

Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3	Melting Point, ℃	Tensile Strength, MPa	Yield Strength, MPa	ELongation, %	Hardness, HRB
7.95	1210-1290	900	710	11	/

Available Products and Specifications

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

Features

Chromium, cobalt, molybdenum, aluminum, titanium and niobium are added to the alloy for solid solution and precipitation strengthening, so that the alloy has better comprehensive properties. The alloy has high strength, plasticity, microstructure temperature and good casting properties.