ThePipingMart Blog Grades Armox® 450 – Composition, Properties and Uses

Armox® 450 – Composition, Properties and Uses

Armox 450

Steel has always been the go-to material for creating armor and structural components in an industry where strength and durability are a must. And with the evolution of modern technology, the demand for stronger but lighter materials has increased. That is why we have Armox 450, the strongest and most durable steel plate on the market.

What is Armox 450?

Armox 450 is a high-strength steel plate from SSAB, a leading steel manufacturing company. This steel plate has a hardness of 450 HBW, which makes it incredibly tough and resistant to wear and tear.

Armox 450 Composition

The unique composition of this steel plate is what makes it so durable. It contains alloying elements such as chromium, molybdenum, and nickel that contribute to its high-strength properties.

(MAX %)
(MAX %)
(MAX %)
(MAX %)
(MAX %)
(MAX %)
(MAX %)
(MAX %)
(MAX %)
0.25 0.70 1.50 0.015 0.010 1.00 2.0 0.70 0.005

Armox 450 Mechanical properties

Mechanically, Armox 450 is perfect for applications that require resistance to breakage and bending. It is also impact-resistant and has low susceptibility to cracking when exposed to high-velocity impact loads. Additionally, it can withstand heavy loads and extreme temperatures without suffering any significant deformation or loss of its structural integrity.

(MIN %)
Armox® 450 8.00 – 16.00 400 – 480 1000 1150 8

Armox 450 Physical Properties

Apart from its mechanical properties, Armox 450 also has impressive physical properties. It has excellent dimensional stability, meaning it won’t warp or change shape under different stress conditions. It also boasts a high thermal conductivity, which helps to dissipate heat efficiently and prevent thermal shock.

Armox 450 Thickness

Plate 8.00 – 14.9 – 0.0 / + 1.0
Plate 15.0 – 16.0 – 0.0 / + 1.1

Armox 450 Uses

The applications of Armox 450 are numerous. It’s ideal for manufacturing military vehicles, armoured personnel carriers, and other armored vehicles. It’s also perfect for constructing protective structures, such as safe rooms and blast shields. Additionally, it’s used to create components for heavy equipment, mining machinery, and offshore oil platforms.

Armox 450 Corrosion Resistance

Armox 450 has superior corrosion resistance due to its unique composition. It’s not prone to rusting or corroding, unlike other steel plates. That is why it’s commonly used in harsh environments such as marine applications and chemical plants.

Armox 450 Heat Treatment

Regarding heat treatment, Armox 450 is an ideal candidate for hardening and tempering. Proper heat treatment can achieve even higher durability and resistance to wear and impact.

Armox 450 Machining and Welding

Lastly, machining and welding of Armox 450 are relatively easy tasks. It can be machined with conventional tools and welded using typical welding procedures. For the best results in fabrication, consult the SSAB team for expert advice.


In conclusion, Armox 450 is an excellent high-strength steel plate that can withstand some of the most challenging conditions. Its unique composition, mechanical and physical properties make it an ideal material for applications that require exceptional durability and resistance to wear, impact, and corrosion. Whether you’re looking to manufacture military vehicles, construct protective structures, or create heavy equipment components, Armox 450 should be your go-to steel plate.

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