Alloy C Max
Superalloy

Wilfley Centrifugal Pumps Alloy C Max Nickel Alloy Superalloy

Wilfley’s Alloy C Max superalloy is a specially processed nickel base steel alloy for highly corrosive applications


Alloy C Max superalloy is a nickel base steel alloy (ASTM 494 Grade CW2M) that has been specially processed to improve the microstructure and remove carbides. The improved microstructure provides an increased elongation and corrosion resistance over standard CW2M.

Mechanical Properties

Typical
Hardness
155 HBN
Typical Tensile
Strength
72,000 psi
(496 MPa)
Typical Yield
Strength
40,000 psi
(276 MPa)
Typical
Elongation
60%

Chemical Composition (Weight %)

Carbon (C)0.02 max
Manganese (Mn)1.0 max
Silicon (Si)0.8 max
Phosphorus (P)0.03 max
Sulfur (S)0.03 max
Chromium (Cr)15.0-17.5
Molybdenum (Mo)15.0-17.0
Iron (Fe)2.0 max
Tungsten (W)1.0 max
Nickel (Ni)Balance

Alloy C Max vs. Standard CW2M

Increased Service Life

(Sample data based on testing with hot concentrated sulfuric acid)

Wilfley Centrifugal Pumps Alloy C Max Nickel Alloy Superalloy

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Mark ScottAlloy C Max Superalloy