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GD 738LC

Equivalent materials: Ni-SA 738LC GD 738LC is a vacuum induction melted, argon gas atomized, and spherical powder for additive manufacturing. The alloy design provides excellent high temperature creep-rupture strength and corrosion resistance up to 980 °C. The strengthening mechanism is a multiple of solid-solution strengthening of the gamma matrix, precipitation hardening by gammaprime or gamma-double prime phases, grain boundary strengthening with carbides, boron and zirconium. Typical applications of the GD 738LC are for engine parts of industrial gas turbines, blades, vanes and integral-wheels of gas turbines and jet engine components.


Description

GD 738LC

Equivalent materials:

Ni-SA 738LC

 

GD 738LC is a vacuum induction melted, argon gas atomized, and spherical powder for additive manufacturing. The alloy design provides excellent high temperature creep-rupture strength and corrosion resistance up to 980 °C. The strengthening mechanism is a multiple of solid-solution strengthening of the gamma matrix, precipitation hardening by gammaprime or gamma-double prime phases, grain boundary strengthening with carbides, boron and zirconium. Typical applications of the GD 738LC are for engine parts of industrial gas turbines, blades, vanes and integral-wheels of gas turbines and jet engine components.

 

Chemical composition, %

Element

Cr

Co

Al

Ti

C

W

Mo

Ta

Nb

Zr

B

Ni

Content, %

16

8.5

3.5

3.4

0.1

2.6

1.7

1.7

0.9

<0.08

0.01

Balance

 

Typical powder properties

Nominal particle range

Hall flow

Apparent density

15–45 µm

16 s/50 g

4.1 g/cc

Other particle range

45-105 µm   50-150 µm

 

keyword:

738LC

Ni-SA 738LC

spherical powder

additive manufacturing

AM

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