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Cast Grade: CD4MCuN; 1B

OVERVIEW: Excellent seawater corrosion resistance combined with nearly twice the strength of common stainless steels.

TYPICAL USES: Centrifuge and dewatering equipment, couplings, heat exchangers, offshore piping systems, paper rolls, pulp digesters, pump and valve components, pressure vessels.

MetalTek Grade: MTEK 29MN

Similar Specifications

Cast UNS: J93372

Cast Grade: CD4MCuN; 1B

Cast ASTM: A890, 1B (CENT, INVEST, SAND); A995, 1B (CENT, INVEST, SAND)

Typical Chemical Composition (% by wt.)

Cr: 24.5 - 26.5

Cu: 2.7 - 3.3

Fe: Bal

Mn: 1.0 max

Ni: 4.7 - 6.0

Si: 1.0 max

C Max: 0.04 max

Other: Mo 1.7-2.3; N 0.10-0.25

Minimum Mechanical Properties

Brinell Typical: 235

Tensile, ksi: 100

Tensile, MPa: 690

Yield, ksi: 70

Yield, MPa: 485

Elongation %: 16

Heat Treatment: Solution Annealed