Alloy Grade UNS: J91631 – “400” Series Material

  • Overview

    J91631 is a "400 series" stainless steel alloy that offers a combination of high strength and good corrosion resistance. Its composition, containing up to 14% chromium and 2.2% nickel, contributes to its ability to withstand both mechanical stress and corrosive environments. As a member of the 400 series, J91631 typically exhibits greater hardness compared to 300 series stainless steels, making it more resistant to wear and abrasion. This alloy is a valuable choice for applications where a balance of strength, hardness, and corrosion resistance is required, particularly in environments where components may be subjected to moderate wear and tear.

  • Typical Uses

    Aerospace, bearings, bushings, chemical and food processing equipment, conveyor rollers, cutlery, impellers, medical devices, pump and valve components, turbine engine parts. 

  • MetalTek Grade

    MTEK CA20NW

  • Poured At:

    Sandusky International Division, Wisconsin Centrifugal Division, Wisconsin Investcast Division

Similar Specifications

Cast UNS: J91631

Wrought UNS: S41800

Wrought Grade: Greek Ascoloy®

Cast Grade:

Military/AMS: AMS 5354

* AMS specifying investment casting.

Typical Chemical Composition (% by wt.)

Aluminum: n/a

Carbon: 0.15-0.20

Chromium: 12.0-14.0

Manganese: 1

Iron: BAL

Copper: n/a

Nickel: 1.8-2.2

Lead: n/a

Tin: n/a

Silicon: 1

Zinc: n/a

Other: W 2.5-3.5; Mo 0.50 MAX

Minimum Mechanical Properties

Brinell Typical:

0

Tensile, ksi

0

Tensile, MPa

0

Calculated PREn (Minimum)

0

Yield, ksi

0

Yield, MPa

0

Elongation

0%

Heat Treatment: Anneal, Harden And Temper

NOTES: Brinell value is MAX.

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