Nickel-chromium Alloys Electric furnace wire Cr25Ni20

Overview

Cr25Ni20 Nickel-Chromium Alloy Electric Furnace Wire is a premium resistance heating material designed for high-temperature industrial environments, featuring exceptional oxidation resistance, high melting point, and extended lifespan. Ideal for electric furnaces, smelting equipment, and heat treatment systems, it operates stably up to 1200°C continuously, with short-term peak resistance up to 1300°C, making it perfect for metallurgy, ceramics, glass manufacturing, and more.

Limiting Chemical Composition, %

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

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

Balance Iron (Fe) & Trace Elements

Main Properties

Material Characteristics

Material Characteristics

● Oxidation Resistance:

Forms a dense oxide layer at high temperatures to prevent further

● High Melting Point:

Approximately 1400°C, ensuring stability in extreme conditions.

● Excellent Ductility:

Easily processed into various shapes (coils, straight wires).

Core Advantages

● Extended Lifespan:

50% longer service life compared to standard heating wires.

● High Efficiency:

Stable resistivity ensures uniform heating and energy savings.

● Versatility:

Suitable for oxidative, inert, and mildly corrosive atmospheres.

Typical Applications

● Industrial Electric Furnaces, Smelting Furnaces, Heat Treatment Equipment

● Industrial Furnaces

● Laboratory High-Temperature Equipment, Aerospace Component Testing

Technical Specifications