Nickel Alloy: G2

CRA G2 (UNS N06975) is a cold-worked nickel-based alloy meeting the severe challenges of wells containing high chlorides, H2S and temperature. With a typical Pitting Resistance Equivalent Number of 51 it is highly resistant to pitting corrosion and chloride-induced stress corrosion cracking. 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

39.50 - 49.10

Element Composition

El.
Min:
Max:
Cr
23%
26%
Ni
47%
52%
Mo
5%
7%
Cu
0.7%
1.2%
Ti
0.7%
1.5%
Fe
12.3%
23.6%

Alloy Files

CRA-G2-Datasheet.pdf
PDF
Alloy Products
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