Nickel Alloy: 825

CRA 825 is typically supplied as a cold worked solid solution nickel-based alloy, capable of meeting the severe challenges of high temperature, high pressure, sour wells. The alloy is classified in MR0175/ISO15156 as a type 4c alloy, with no restrictions to partial pressure of H2S below 270F and resistant to 100 psi H2S at 425°F.

Corrosion Resistance

High

Alloy Group

Nickel Alloy

Yield Stregth

110 - 150

Wall Tolerance

0.875

Density

0.2900

Pren

27.75 - 35.05

Element Composition

El.
Min:
Max:
C
×
0.05%
Cr
19.5%
23.5%
Ni
38%
46%
Mo
2.5%
3.5%
Cu
1.5%
3%
Ti
0.6%
1.2%
Al
×
0.2%
Si
×
0.5%
Fe
20.99%
37.9%
Mn
×
1%
P
×
0.03%
S
×
0.03%

Alloy Files

CRA-825-Datasheet.pdf
PDF
Alloy Products
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