Nickel-chromium Alloys Electric furnace wire Cr20Ni35

Overview

Cr20Ni35 Nickel-Chromium Alloy Electric Furnace Wire, with 35% high nickel content, delivers exceptional performance in extreme high-temperature (continuous use at 1200°C, short-term peaks up to 1350°C) and highly corrosive environments. Designed for precision industries like semiconductor manufacturing, vacuum heat treatment, and aerospace, it offers stable resistivity and extended service life with optimized oxidation and sulfurization resistance.

Chromium(Cr)..................................................................................................................................20.0

Aluminum(Ni)..................................................................................................................................35.0

Balance Iron (Fe) & Trace Elements

Main Properties

Material Characteristics

Material Characteristics

● Ultra-High Temp Stability:

35% nickel content enhances creep and thermal fatigue resistance.

● Sulfurization Resistance:

Maintains surface integrity in sulfur-rich atmospheres.

● Low Resistivity Drift:

≤2% fluctuation across temperatures for uniform heating.

Core Advantages

● Precision Compatibility:

Customizable to micron-level diameters (0.1mm) for high-precision equipment.

● Multi-Environment Use:

Compatible with oxidative, vacuum, and reducing atmospheres.

● Customization:

Tailored dimensions and shapes (flat wires, special profiles).

Typical Applications

● Semiconductor Wafer Heating, Vacuum Brazing Furnaces

● Aerospace High-Temp Test Chambers, Nuclear Reactor Components

● Precision Ceramic Sintering, High-Temp Chemical Vapor Deposition (CVD)

Technical Specifications