Duplex Stainless: 25CR

25 Chrome is supplied as a cold-worked duplex stainless steel intended for wells containing high CO2, low H2S and chlorides. This alloy is classified in MR0175/ISO15156 as a duplex stainless steel having Pitting Resistance Equivalent Number < 40, suitable for H2S pp < 0.3 psi.

Corrosion Resistance

Moderate

Alloy Group

Duplex Stainless

Yield Stregth

65 - 145

Wall Tolerance

0.875

Density

0.2837

Pren

34.02 - 43.18

Element Composition

El.
Min:
Max:
C
×
0.03%
Cr
24%
26%
Ni
5.5%
7.5%
Mo
2.5%
3.5%
Cu
0.2%
0.8%
W
0.1%
0.5%
N
0.1%
0.3%
Si
×
0.75%
Fe
59.56%
67.6%
Mn
×
1%
P
×
0.03%
S
×
0.03%

Alloy Files

25-Chrome-Datasheet.pdf
PDF
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