ThePipingMart Blog Grades Weldox 500 – Composition, Properties, and Uses

Weldox 500 – Composition, Properties, and Uses

Weldox 500

In industries that require high-performance materials, Weldox 500 is a popular choice. This article will discuss everything you need to know about Weldox 500 – from its composition and mechanical and physical properties to its uses, corrosion resistance, heat treatment, and machining.

What is Weldox 500?

Weldox 500 is a high-strength steel used in applications that require reliability, toughness, and durability. It’s popularly used in construction, machinery, mining, and other heavy industries. Weldox 500 is a special structural steel with a guaranteed minimum yield strength of 500MPa.

Weldox 500 Composition

Weldox 500 is a quenched and tempered steel made of iron, carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum, and nickel. The composition of Weldox 500 is what gives it its high-performance characteristics. The steel’s carbon content is 0.20%, manganese content is 1.7%, silicon content is 0.7%, phosphorus content is 0.025%, sulfur content is 0.015%, chromium content is 1.5%, molybdenum content is 0.5%, and nickel content is 1.5%.

Weldox 500 Mechanical Properties

Weldox 500 has excellent mechanical properties, which make it a popular choice for high-performance applications. The steel has a high yield strength of 500 N/mm2, a tensile strength of 550-700 N/mm2, and an elongation of 16-20%. It also has an excellent impact strength, making it suitable for harsh environments requiring toughness.

Weldox 500 Physical Properties

Apart from its mechanical properties, Weldox 500 also has excellent physical properties. The steel has a density of 7.8 g/cm3, a thermal conductivity of 46.3 W/mK, and a specific heat of 0.47 J/gK. Weldox 500 also has a coefficient of thermal expansion of 11.4 µm/m°C, which makes it more resistant to thermal fatigue than other steels.

Weldox 500 Uses

Weldox 500 is used in various industries where high-performance materials are needed. Due to its toughness and durability, steel is often used to construct bridges, cranes, and other heavy machinery. It’s also popularly used in manufacturing mining and drilling equipment, offshore platforms, and pressure vessels. In addition, Weldox 500 is used in manufacturing truck bodies and trailers because of its high strength and lightweight.

Weldox 500 Corrosion Resistance

Weldox 500 has excellent corrosion resistance, making it suitable for harsh environments. The steel’s chromium and nickel content makes it more resistant to rust and corrosion than other steels. Its high strength and durability also help it withstand corrosion caused by chemicals and other elements.

Weldox 500 Heat Treatment

Weldox 500 is a quenched and tempered steel, which means it requires heat treatment to be used. Heat treatment helps improve the steel’s mechanical properties and also helps make it more resistant to wear and tear.

Weldox 500 Machining

Weldox 500 can be machined using conventional methods. However, its high strength requires high cutting forces and tool wear, which makes machining a challenge.

Weldox 500 Welding

Weldox 500 has excellent welding characteristics and can be welded successfully using MMA, MIG/MAG, TIG and submerged arc welding processes. Its high strength makes it ideal for heavy-duty applications such as crane arms, building frames and mining equipment.


Weldox 500 is a high-performance steel popular in industries requiring tough, durable, and reliable materials. It has excellent mechanical properties, physical properties, and corrosion resistance, making it suitable for harsh environments. The steel is used in various industries, including construction, mining, and transportation. With proper heat treatment, Weldox 500 can be made more durable and resistant to wear and tear. While machining can be challenging due to its high strength, Weldox 500 is an excellent choice for industrial applications with critical high-performance materials.

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