Quality	Standard	Material No.	Possible type of hot-dip coating
HDT580X	DIN EN 10338	1.0936
HDT580X	DIN EN 10346	1.0936	+Z, +ZF, +ZM

Testing direction	Yield point Rp0,2 (MPa)	Tensil Strength Rm (MPa)	Elongation A80 (in %)	A5 (in %) ≥ 3 mm
L	330 – 450	≥ 580	≥ 19	≥ 23

HDT580X is a high performance hot rolled dual-phase steel specified to DIN EN 10338 and DIN EN 10346 standards. This type of steel is known for its outstanding combination of high strength and good formability, making it particularly suitable for demanding industrial applications, especially in the automotive industry. The specific microstructure of HDT580X, consisting of a ferritic matrix with intercalated martensitic islands, gives this steel its special mechanical properties.

HDT580X is characterized by high tensile strength and good ductility at the same time. These properties result from the dual-phase structure, in which the soft ferrite phase ensures formability, while the hard martensite phase increases strength. This unique combination makes it possible to produce components that are both strong and malleable, which is particularly advantageous for safety-relevant components such as vehicle bodies.

Another key advantage of HDT580X is its excellent weldability, which facilitates its processing in various manufacturing processes. This is particularly important for the automotive industry, where complex components are often joined by welding processes.

The continuously hot-dip coated variant of HDT580X, which is specified in accordance with the DIN EN 10346 standard, offers additional corrosion protection. The hot-dip process applies a layer of zinc to the steel, which acts as a barrier against environmental influences and significantly extends the service life of the material. This zinc layer protects the steel from moisture and other corrosive elements, which is particularly important for outdoor applications and aggressive environments.

Dual-phase steels such as HDT580X contain a ferritic basic structure with martensitic islands, possibly also with bainite as a second phase. This microstructure enables an exceptional combination of strength and ductility. The ferrite phase provides the necessary malleability, while the martensite phase increases the strength. These material properties make HDT580X an excellent choice for applications that require both high mechanical strength and good formability.

HDT580X is widely used in the automotive industry, particularly in the manufacture of body and structural components that have to meet high safety requirements. Its high strength and good formability make it possible to produce components that are both light and strong. In addition, HDT580X is also used in mechanical engineering and the construction industry, where high mechanical requirements and corrosion resistance are needed.

Compared to other dual-phase steels such as HDT450X, HDT580X offers higher strength, which makes it ideal for applications requiring higher mechanical loads. Compared to HDT980X, HDT580X is slightly less strong but offers better ductility, which can be an advantage in certain applications where higher formability is required.

HDT580X is a versatile and high-performance hot-rolled dual-phase steel specified according to the DIN EN 10338 and DIN EN 10346 standards. Its special microstructure gives it an ideal combination of high strength and good formability, making it ideal for a wide range of industrial applications. The continuously hot-dip coated version offers additional corrosion protection and makes this steel even more versatile. Whether in the automotive industry, mechanical engineering or the construction industry – HDT580X impresses with its outstanding properties and reliability.