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Cast Grade: CD3MN; 4A

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 2205

Similar Specifications

Cast UNS: J92205

Cast Grade: CD3MN; 4A

Cast ASTM: A890, A995, 4A (CENT, INVEST, SAND)

Wrought UNS: S31803

Wrought Grade: 2205

Typical Chemical Composition (% by wt.)

Cr: 21.0 - 23.5

Cu: 1.00 max

Fe: Bal

Mn: 1.50 max

Ni: 4.5 - 6.5

Si: 1.00 max

C Max: 0.030 max

Other: Mo 2.5-3.5; N 0.10-0.30

Minimum Mechanical Properties

Brinell Typical: 235

Tensile, ksi: 90

Tensile, MPa: 620

Yield, ksi: 60

Yield, MPa: 415

Elongation %: 25

Heat Treatment: Solution Annealed