Quality	Standard	Material No.
HDT580F	DIN EN 10338	1.0994
HDT580F	DIN EN 10346	1.0994	+Z, +ZF, +ZM

Testing direction	Yield point Rp0,2 (MPa)	Tensil Strength Rm (MPa)	Elongation A80 (in %)	A5 (in %) ≥ 3 mm
L	460 – 620	≥ 580	≥ 15	≥ 17

HDT580F is a state-of-the-art hot-rolled ferritic-bainitic steel specified according to the DIN EN 10338 and DIN EN 10346 standards. This type of steel offers an excellent combination of strength and ductility, making it ideal for demanding industrial applications. The unique microstructure of HDT580F, consisting of ferrite and bainite, gives it its outstanding mechanical properties, which are particularly valued in the automotive and mechanical engineering industries.

HDT580F is characterized by its high strength, which is achieved by the bainite phase, while the ferrite phase ensures the necessary ductility. This combination enables the steel to bear high loads and at the same time cope with complex forming processes without cracking or breaking. In addition, HDT580F has excellent weldability, which facilitates its processing and assembly. These properties make it a preferred material for safety-relevant components in the automotive industry, such as bumpers and reinforcements.

In addition to the hot-rolled version, HDT580F is also available in a continuously hot-dip coated version, which is specified in accordance with the DIN EN 10346 standard. This variant offers additional corrosion protection and improved surface quality. The hot-dip process ensures a uniform zinc coating that protects the steel from environmental influences and extends its service life. This makes the HDT580F ideal for use in outdoor applications and corrosive environments.

A ferritic-bainitic steel, such as HDT580F, contains bainite or hardened bainite in a matrix of ferrite or hardened ferrite. This microstructure is decisive for the steel’s outstanding properties. The bainite content contributes to the high strength, while the ferrite content provides the necessary ductility and formability. This combination makes it possible to use HDT580F in a wide range of applications where both mechanical performance and formability are required.

HDT580F differs significantly from HDT450F due to its higher strength and improved mechanical properties. While HDT450F also offers a good combination of strength and ductility, HDT580F surpasses it in many aspects. HDT580F has a higher tensile strength and hardness, making it ideal for applications where higher loads occur. In contrast, HDT450F is slightly more ductile, making it ideal for applications where greater formability is required.

HDT580F is a versatile and high performance hot rolled ferritic-bainitic steel specified to DIN EN 10338 and DIN EN 10346 standards. Its special microstructure gives it an ideal combination of strength and ductility, making it ideal for a wide range of industrial applications. The continuously hot-dip coated variant offers additional corrosion protection and makes this steel even more versatile. Whether in automotive engineering, mechanical engineering or the construction industry – HDT580F impresses with its outstanding properties and reliability.

The differences to HDT450F show that HDT580F is better suited to applications that require higher mechanical loads, while HDT450F scores points for its greater ductility in areas that require higher formability.