Nickel-chromium Alloys Flat Strip Cr25Ni20

Overview

Cr25Ni20 Nickel-Chromium Alloy Strip is a high-performance material designed for extreme high-temperature and corrosive environments. With 25% chromium and 20% nickel, it offers exceptional oxidation resistance, high-temperature creep resistance, and stable resistivity. Widely used in electric heating elements, industrial furnace components, and chemical processing equipment. Customizable thickness (0.1-5mm) and width (10-500mm) to meet diverse industrial needs.

Limiting Chemical Composition, %

Chromium(Cr)..................................................................................................................................25.0

Aluminum(Ni)..................................................................................................................................20.0

Balance Iron (Fe) & Trace Elements

Main Properties

Material Characteristics

Material Properties

● High-Temperature Oxidation Resistance:

Stable operation up to 1200°C with a dense Cr₂O₃ protective layer.

● Corrosion Resistance:

Resists sulfides, chlorides, acids, and alkalis.

● Mechanical Strength:

Maintains high tensile strength and creep resistance at elevated temperatures.

Core Advantages

● Long Service Life:

Reduces maintenance frequency and operational costs.

● High Resistivity:

Ideal for electric heating elements with efficient energy conversion.

● Processing Flexibility:

Compatible with stamping, welding, and bending.

Typical Applications

● Electric Heating Elements:

Industrial heaters, resistance wires, thermocouple sheaths.

● High-Temperature Equipment:

Furnace brackets, heat treatment linings, burner parts.

● Chemical Industry:

Reactors, pipelines for corrosive media.

Technical Specifications