Nickel Alloy: G3

CRA G-3 is a cold-worked nickel-based alloy meeting the severe challenges of wells containing high chlorides, H2S and temperature. For sour service applications, it is classified in MR0175/ISO15156 as a type 4d alloy, with no restrictions to partial pressure of H2S below 300F and resistant to 300 psi H2S at 425°F.

Corrosion Resistance

Severe

Alloy Group

Nickel Alloy

Yield Stregth

110 - 150

Wall Tolerance

0.875

Density

0.2900

Pren

40.80 - 52.38

Element Composition

El.
Min:
Max:
C
×
0.015%
Co
×
5%
Cr
21%
23.5%
Ni
35.415%
53.5%
Mo
6%
8%
Cu
1.5%
2.5%
W
×
1.5%
Si
×
1%
Fe
18%
21%
Mn
×
1%
Ta
×
0.5%
Nb
×
0.5%
P
×
0.04%
S
×
0.03%

Alloy Files

CRA-G-3-Datasheet.pdf
PDF
Alloy Products
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