Alloy Grade UNS: M-25S Acid and Alkaline Resistant

  • Overview

    M-25S is a specialized alloy specifically formulated for exceptional resistance to both acidic and alkaline environments. This weldable grade offers excellent corrosion resistance across a wide pH range, making it suitable for challenging applications where components are exposed to harsh chemicals and corrosive solutions. Its ability to withstand both acidic and alkaline conditions makes it a valuable choice for industries such as chemical processing, wastewater treatment, and other applications where corrosion resistance in varying pH environments is critical.

  • Typical Uses

    Filter parts, pump and valve components, seal housings.

  • MetalTek Grade

    MTEK D

  • Poured At:

    Carondelet Division, Sandusky International Division, Wisconsin Centrifugal Division, Wisconsin Investcast Division

Similar Specifications

Cast UNS: N04019

Cast Grade: M-25S

Cast ASTM: A494

Military/AMS: QQ-N-288 Comp D

Typical Chemical Composition (% by wt.)

Aluminum: 0.50 MAX

Carbon: 0.25

Chromium: n/a

Manganese: 1.5

Iron: 3.5 MAX

Copper: 27-33

Nickel: 60 MIN

Lead: n/a

Tin: n/a

Silicon: 3.5-4.5

Zinc: n/a

Minimum Mechanical Properties

Heat Treatment: Not Heat Treated