ThePipingMart Blog Grades Weldox 700E – Composition, Properties, and Uses

Weldox 700E – Composition, Properties, and Uses

Weldox 700E

If you’re in the field of construction or engineering, it’s highly likely you’ve come across the term “Weldox 700E”. But what exactly is it, and why is it so popular in the industry? In this blog post, we’ll be delving into the different aspects and properties of Weldox 700E that make it an ideal choice for various applications.

What is Weldox 700E?

Weldox 700E is a high-strength, low-alloy structural steel developed by SSAB Sweden. With a yield strength of up to 700MPa and excellent weldability, it’s one of the most popular steels used in constructing bridges and buildings due to its strength, ductility and shock resistance.

Weldox 700E Composition

Weldox 700E is a high-strength structural steel that is produced through advanced processing techniques. It belongs to the group of extra-high-strength steels known for their toughness and durability. The composition of Weldox 700E includes carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel, molybdenum, and vanadium. This unique combination of elements gives it superior mechanical and physical properties.

C *) Max % Si *) Max % Mn *) Max % P Max % S Max % Cr *) Max % Cu *) Max % Ni *) Max % Mo *) Max % B *) Max %
0.20 0.60 1.60 0.020 0.010 0.70 0.30 2.0 0.70 0.005

Weldox 700E Mechanical Properties

One of the standout features of Weldox 700E is its exceptional mechanical properties. It boasts a yield strength of 700 Mpa, making it ideal for heavy-duty applications requiring a material with better load-bearing capacity. Weldox 700E also exhibits remarkable toughness, resilience, and weldability, which makes it ideal for use in challenging conditions.

Thickness mm Yield strength 1) Rp 0.2, min MPa Tensile strength 1) Rm MPa Elongation A5 min % Typical hardness HBW
4 – 53 700 780 – 930 14 260 – 310
(53) – 100 650 780 – 930 14 260 – 310
(100) – 160 650 710 – 900 14 240 – 290

Weldox 700E Physical Properties

Besides its mechanical properties, Weldox 700E also possesses several physical properties, making it a popular choice. Its low weight-to-strength ratio makes it an excellent material for weight reduction in structures such as cranes, trucks, and bridges. It also has excellent formability, making shaping and moulding into different designs easy.

Weldox 700E Carbon Equivalent CET (CEV)

Thickness mm – 5 (5 )- (10) 10- (20) 20 – (40) 40 – (80) 80 – (100) 100 – 160
Weldox 700E: CET (CEV) 0.34 (0.48) 0.31 (0.48) 0.31 (0.48) 0.36 (0.52) 0.39 (0.58) 0.39 (0.58) 0.41 (0.67)

Weldox 700E Thickness

Weldox 700E is a high yield, structural steel plate with a nominal yield strength of 700 MPa. The thickness ranges from 3 mm up to 150 mm.

Weldox 700E Uses

The versatility of Weldox 700E is reflected in its numerous uses in various industries. It’s commonly used to construct heavy machinery, lift equipment, and transport vehicles. It’s also used to manufacture cranes and bridges, where a high strength-to-weight ratio is essential. Other applications include mining equipment, containers, and pressure vessels.

Weldox 700E Corrosion Resistance

Weldox 700E also boasts excellent corrosion resistance, making it an ideal material for harsh environments. It can withstand exposure to seawater, acidic compounds, and pollutants, making it suitable for offshore applications.

Weldox 700E Heat Treatment

Regarding heat treatment, Weldox 700E can be hardened through oil or water quenching. This process improves its strength and toughness and makes it more resistant to wear and tear. Additionally, it can be machined to achieve the desired finish, making it a popular choice for precision manufacturing.

Weldox 700e Welding

Weldox 700E is a high-strength steel regarded for its exceptional properties. It has excellent weldability with very low hydrogen content, making it an ideal choice for heavy structural applications where superior strength is needed. Its high impact toughness makes it suitable for welding in cold and seismic environments.

Weldox 700e Machining

Weldox 700E is a high-strength steel ideal for parts subjected to heavy mechanical stress. It can be machined using conventional methods, though the cutting force and tool wear resistance should be kept in mind due to its higher hardenability. With proper care and consideration during machining operations, this steel can provide exceptional strength with accurate dimensional control002E


In conclusion, Weldox 700E is a top-quality structural steel with exceptional mechanical and physical properties. Its high strength, durability, excellent formability and corrosion resistance make it an ideal choice for various industry applications. Whether you’re building heavy machinery or constructing bridges and cranes, Weldox 700E is an excellent choice for your project. Its versatility and performance make it a reliable material that can withstand the harshest conditions. As an expert in your field, it’s essential to consider Weldox 700E for your next project.

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