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Cast Grade: CK3MCuN

Produced under license of Avesta Jernverk AB.

OVERVIEW: Corrosion resistance approaching nickel alloys, especially in chloride service.

TYPICAL USES: Chemical and food processing equipment, desalination equipment, impellers, process piping exposed to flue gas.

MetalTek Grade: 254 SMO®

Similar Specifications

Cast UNS: J93254

Cast Grade: CK3MCuN

Cast ASTM: A351, A743, A744

Wrought UNS: S31254

Wrought Grade: 254 SMO

Typical Chemical Composition (% by wt.)

Cr: 19.5 - 20.5

Cu: 0.50 - 1.00

Fe: Bal

Mn: 1.20 max

Ni: 17.5 - 19.5

Si: 1.00 max

C Max: 0.025 max

Other: Mo 6-7; N 0.18-0.24

Minimum Mechanical Properties

Tensile, ksi: 80

Tensile, MPa: 550

Yield, ksi: 38

Yield, MPa: 260

Elongation %: 35

Heat Treatment: Solution Annealed