Nickel-chromium Alloys Flat Wire Cr20Ni80

Overview

Cr20Ni80 Nickel-Chromium Alloy Flat Wire is engineered for extreme high-temperature and high-resistivity applications, offering superior oxidation resistance, creep resistance, and stable resistivity (1.09 μΩ·m) with a temperature range up to 1200°C. Featuring tensile strength ≥750 MPa and elongation ≥25%, it supports customizable surface finishes (bright annealed/pickled) and precision dimensions (thickness 0.1-10mm, width 5-150mm). Ideal for industrial furnaces, new energy batteries, household appliances, and aerospace heating systems.

Limiting Chemical Composition, %

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

Aluminum(Ni)..................................................................................................................................80.0

Fe & trace elements

Main Properties

Material Characteristics

Material Properties

● Ultra-High Temp Resistance:

Stable up to 1200°C, short-term tolerance to 1350°C.

● Oxidation & Creep Resistance:

Dense oxide layer prevents deformation.

● High Resistivity:

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

● Custom Surface Finish:

Bright annealed, pickled, or tailored roughness.

Core Advantages

● Precision Sizing:

Thickness 0.1-10mm, width 5-150mm (±0.01mm tolerance).

● Extended Lifespan:

Superior thermal fatigue resistance.

● Eco-Compliance:

RoHS, REACH, ISO 9001 certified.

Typical Applications

● Industrial Furnaces:

Heat treatment wires, glass melting heaters.

● New Energy:

EV battery heaters, hydrogen fuel cell ribbons.

● Household Appliances:

Electric cooker discs, oven heating strips.

● Aerospace:

Engine test bench heaters, satellite thermal control.

Technical Specifications