Overview
CW-2M represents a family of nickel-based superalloys specifically engineered to withstand extreme heat and corrosive environments. These alloys are designed to maintain their strength and structural integrity at elevated temperatures, making them suitable for applications where components are exposed to extreme heat, thermal cycling, and corrosive elements. CW-2M alloys resist oxidation, creep, and other forms of high-temperature degradation, ensuring long-term performance and reliability in demanding conditions. Their ability to withstand extreme heat and corrosion makes them valuable choices for applications in industries such as aerospace, power generation, and chemical processing, where components must operate reliably under extreme conditions.
Typical Uses
Chemical and food processing equipment, heat treat equipment, calciner components, and turbine engine parts.
MetalTek Designation
MTEK CW-2M
Poured At:
Carondelet Division, Sandusky International Division, Wisconsin Centrifugal Division, Wisconsin Investcast Division
Similar Specifications
Cast UNS: N26455
Wrought UNS: N06455
Cast Grade: CW-2M
Cast ASTM: A494
Military/AMS: AMS 5408
* AMS specifying centrifugal casting.
Typical Chemical Composition (% by wt.)
Aluminum: n/a
Carbon: 0.02
Chromium: 15.0-17.5
Manganese: 1
Iron: 2.0 MAX
Copper: n/a
Nickel: BAL
Lead: n/a
Tin: n/a
Silicon: 0.8
Zinc: n/a
Other: Mo 15.0-17.5; W 1 MAX
Minimum Mechanical Properties
Heat Treatment: Solution Anneal
Frequently Asked Questions
Severe corrosion and heat resistant steel is engineered to withstand extreme environments, including high temperatures, chemical exposure, and acidic conditions.
Applications include chemical reactors, flue gas scrubbers, incinerators, and heat treatment fixtures exposed to corrosive and thermal stress.
Alloys such as Inconel, Hastelloy, Alloy 20, and super austenitic or duplex stainless steels are ideal for high-heat and corrosion-prone conditions.