Overview
HX is a specialized high-temperature alloy specifically formulated to provide exceptional resistance to hot gas corrosion. This alloy excels in demanding environments where components are exposed to extremely high temperatures and corrosive gases, such as those encountered in industrial furnaces, gas turbines, and chemical processing equipment. Its unique composition and microstructure provide superior resistance to oxidation, sulfidation, and other forms of hot corrosion, ensuring long-term performance and reliability under extreme conditions. With a service limit of 980 degrees Celsius (1800 degrees Fahrenheit), HX maintains its structural integrity and resists degradation even under prolonged exposure to heat and corrosive gases. This makes it a valuable choice for applications where resistance to hot gas corrosion is paramount.
Typical Uses
Carburizing boxes, hearth plates, heat treatment and calciner components, muffles, retorts, roller hearths.
MetalTek Designation
MTEK 15-65
Poured At:
Carondelet Division, Sandusky International Division, Wisconsin Centrifugal Division, Wisconsin Investcast Division
Similar Specifications
Cast UNS: N06006
Cast Grade: HX
Cast ASTM: A297
Typical Chemical Composition (% by wt.)
Aluminum: n/a
Carbon: 0.35-0.75
Chromium: 15-19
Manganese: 2.00
Iron: n/a
Copper: n/a
Nickel: 64-68
Lead: n/a
Tin: n/a
Silicon: 2.50
Zinc: n/a
Minimum Mechanical Properties
Heat Treatment: Not Heat Treated
Frequently Asked Questions
Heat resistant stainless steel refers to alloys designed to maintain mechanical properties and resist oxidation at elevated temperatures.
Applications include furnace parts, heat exchangers, and components in petrochemical plants.
Heat resistant stainless steels can withstand temperatures up to 1,150°C (2,100°F), depending on the grade and exposure time.
High chromium and nickel contents stabilize the austenitic structure and form a protective oxide layer, resisting scale and oxidation.
