As an important product of the inorganic metal tungsten, tungsten alloy has an extremely wide range of applications, including electronics, automotive, defense, military, aerospace, aviation, maritime, optoelectronics, and medical fields.

Tungsten-nickel-iron alloy, a crucial tungsten-based alloy, uses tungsten as its matrix, with tungsten content typically ranging from 90% to 98%, forming the alloy’s foundational structure. Nickel and iron, as primary additive elements, play critical roles, with common nickel-to-iron ratios of 7:3 or 1:1.

In the vast starry sky of modern industry, tungsten-nickel-iron alloy shines like a brilliant star, occupying a pivotal position in numerous critical fields due to its excellent mechanical, chemical, and thermal properties. From precision components in aerospace to core equipment in defense and military applications, from high-end medical instruments to tools in industrial manufacturing, its presence is ubiquitous. This alloy is not a mere amalgamation of inpidual elements but a sophisticated material born from the synergistic interplay of tungsten, nickel, and iron. It is the critical roles played by these three elements and their remarkable interactions that endow tungsten-nickel-iron alloy with its exceptional comprehensive performance. Today, let us delve into the vital roles of tungsten, nickel, and iron in this alloy, unlocking the secrets behind its material marvel.

The high strength, high temperature resistance, corrosion resistance and electrical and thermal conductivity of tungsten wire make it irreplaceable in scenarios that require high reliability and durability. The following is an introduction to its main applications:

As a common material, tungsten wire is widely used to make filaments and other high-temperature components, especially in light bulbs and electronic devices. The following are the advantages and disadvantages of tungsten wire:

The main characteristics of tungsten wire are as follows:

High Melting Point: Tungsten has an extremely high melting point of about 3422°C, the highest of all metals, and is suitable for use in high temperature environments, such as incandescent bulbs and electron tubes.

Cleaned Tungsten Wire refers to a filament made of tungsten metal. It is widely used in various industrial and scientific fields because of its high melting point (about 3422°C), high strength and good conductivity. The surface of cleaned tungsten wire is generally treated with alkali washing, showing a silver-gray metallic luster, so it is called "white tungsten wire".

Black tungsten wire is a filament made of tungsten metal. Usually, the surface is not polished or specially treated, and the graphite emulsion is attached, showing a dark gray or black appearance, hence the name "black tungsten wire". Tungsten is a high melting point (about 3422°C), high density, corrosion-resistant metal, and is widely used in many fields due to its excellent physical and chemical properties. Black tungsten wire is mainly made by powder metallurgy and wire drawing. Its surface may retain trace oxides due to oxidation or production process, so the color is darker.

The high melting point and conductivity of tungsten wire make it an ideal heating element. The application of tungsten wire in automobile defrosting glass is mainly reflected in the electric heating defrosting system, especially in the defrosting function of rearview mirror, rear windshield and part of the front windshield.

The application of tungsten wire in automobile defogger glass is mainly reflected in the defogger heating system of rearview mirror and rear windshield, which achieves rapid heating defoggering through its high resistance and high heat resistance, improving driving safety.