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Cast Grade: CD4MCu; 1A

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 29M

Similar Specifications

Cast UNS: J93370

Cast Grade: CD4MCu; 1A

Cast ASTM: A890, 1A (CENT, INVEST, SAND)

Typical Chemical Composition (% by wt.)

Cr: 24.5 - 26.5

Cu: 2.75 - 3.25

Fe: Bal

Mn: 1.00 max

Ni: 4.75 - 6.00

Si: 1.00 max

C Max: 0.04 max

Other: Mo 1.75-2.25

Minimum Mechanical Properties

Brinell Typical: 235

Tensile, ksi: 100

Tensile, MPa: 690

Yield, ksi: 70

Yield, MPa: 485

Elongation %: 16

Heat Treatment: Solution Annealed