IN738LC

IN738LC is a nickel base precipitation hardening equiaxed cast superalloy, which is characterized by low phosphorus content, small solidification segregation and service temperature below 900 ℃.

Equivalent Grades

Trademark	GB	GOST	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
–	K438G	–	IN738LC	–	–	–	–	–	–	–

Chemical Composition, %

Alloy

IN738LC

0.13-0.20

≤0.01

≤0.2

≤0.0005

≤0.01

15.3-16.3

Bal

8.0-9.0

2.3-2.9

1.4-2.0

3.5-4.5

3.2-4.0

0.4-1.0

1.4-2.0

0.005-0.015

≤0.2

Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3	Melting Point, ℃	Tensile Strength, MPa	Yield Strength, MPa	ELongation, %	Hardness, HRB
8.20	1220-1320	1060	930	10	/

Available Products and Specifications

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

Features

The alloy is a modified alloy of IN 738 alloy. Compared with it, it not only has excellent heat and corrosion resistance of IN 738 alloy, but also increases the lasting strength by 20-50MPa and the service temperature by 20 ℃. The alloy has good microstructure stability and casting process properties.