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Cast Grade: CB7Cu-1

Produced under license of ARMCO Advance Materials Corp.

OVERVIEW: Extremely high strength stainless steels that are more corrosion resistant than 400-series martensitics.

TYPICAL USES: Aerospace, chemical and food processing equipment, cylinders, gears, hollow shafts, landing gears, marine gas turbine, nuclear flow control, pump and valve components, pressure vessels, shaft sleeves, turbine engine parts.

MetalTek Grade: 17-4PH®

Similar Specifications

Cast UNS: J92180

Cast Grade: CB7Cu-1


Wrought UNS: S17400

Wrought Grade: 17-4PH

Military / AMS: MIL-S-81591, IC-17-4 (INVEST) I; AMS 5355, 17-4PH (INVEST), AMS 5398, 17-4PH (C, S)

Typical Chemical Composition (% by wt.)

Cr: 15.50 - 17.50

Cu: 2.50 - 3.20

Fe: Bal

Mn: 0.70 max

Ni: 3.60 - 4.60

Si: 1.00 max

C Max: 0.07 max

Other: Nb (Cb) 0.15 - 0.35

Minimum Mechanical Properties

Brinell Typical: varies

Tensile, ksi: varies

Tensile, MPa: varies

Yield, ksi: varies

Yield, MPa: varies

Elongation %: varies

Heat Treatment: Homogenized, Solutioned and Aged

properties vary with aging treatment