Nickel-chromium Alloys Flat Wire Cr20Ni30

Overview

Cr20Ni30 Nickel-Chromium Alloy Flat Wire is a corrosion-resistant and high-elongation heating material, ideal for high-temperature and corrosive environments. With superior oxidation resistance, stable resistivity, and long service life, it is widely used in industrial heating systems, chemical equipment, and household appliances. Custom sizes available for tailored solutions.

Limiting Chemical Composition, %

Chromium..................................................................................................................................20.0

Aluminum..................................................................................................................................30.0

Fe & trace elements

Main Properties

Material Characteristics

Material Properties

● High-Temp & Corrosion Resistance:

Stable operation up to 1100°C, resistant to acid/alkali corrosion.

● High Elongation:

≥40% elongation for flexible shaping.

● Low Resistivity:

1.12 μΩ·m (20°C) for efficient energy conversion.

Core Advantages

● Thermal Shock Resistance:

Minimal cracking under rapid temperature changes.

● Precision Customization:

Thickness 0.1-6mm, width 2-60mm, tolerance ±0.02mm.

● Eco-Friendly Compliance:

Meets REACH and RoHS standards.

Typical Applications

● Industrial Heating Systems:

Furnace resistance wires, temperature sensors.

● Chemical Equipment:

Reactor heating bands, corrosion-resistant pipelines.

● Household & New Energy:

EV PTC heaters, induction cooker coils.

Technical Specifications