EN 10268 Grade HC300LA electrolytically zinc-coated (+ZE)

Nombres alternativos y comerciales
Profilar® 300+ZE/MA 280L+ZE/Sidca® M-300/HQE280+ZE/Soldur® 280+ZE/ZStE 300
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Description

ArcelorMittal’s electrogalvanised steel is a cold rolled flat carbon steel product, coated on one or both sides with a pure zinc layer. This coating is characterised by its uniform and regular thickness.

It has good resistance to corrosion for indoor applications. It offers outstanding deep drawing formability with reduced powdering and also has excellent weldability, due to the uniformity and regularity of the zinc coating.

Electrogalvanised products are an excellent substrate for painting, both in terms of adhesion and appearance. This advantage is further enhanced by the use of post-coating surface treatments: phosphating and/or passivation, Easyfilm® thin organic coating (please see data sheet E80 for the specific properties of Easyfilm®).

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por ArcelorMittal.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

Ashby charts

Propiedades

Medidas

PropertyValue

Dimensions

Please feel free to check the figure on the right side of the material page for more details.

Mecánica

PropertyValueComment

Elongación

21 %

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min. | for thickness 0.5-0.7 mm | Transverse | A80

22 %

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min. | for thickness 0.5-0.7 mm

23 %

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min. | for thickness 0.7-3 mm | Transverse | A80

24 %

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min. | for thickness 0.7-3 mm

Límite elástico

280 - 360 MPa

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for thickness 0.5-3 mm

300 - 380 MPa

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for thickness 0.5-3 mm | Transverse

Resistencia a la tracción

370 - 470 MPa

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for thickness 0.5-3 mm

380 - 480 MPa

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for thickness 0.5-3 mm | Transverse

Chemical properties

PropertyValueComment

Aluminio

0.015 %

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min.

Azufre

0.025 %

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max.

Carbono

0.12 %

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max.

Fósforo

0.03 %

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max.

Manganeso

1.4 %

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max.

Niobio

0.09 %

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max.

Silicona

0.5 %

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max.

Titanio

0.15 %

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max.

Technological properties

Property
Application areas

Electrogalvanised products are particularly suitable for industrial and domestic appliances. Some of the most common applications include:

  • Domestic appliances: washing machines, dryers, dish washers, cookers, microwave ovens, refrigerators etc
  • Teletronics: computers, laptop and hi-fi casings, casings for TVs, video and CD players, decoders etc
  • Furniture: cupboards, desks, shelves, electrical cabinets etc
  • Miscellaneous: air conditioners, road signs, electric motors, toys, construction items etc

  • Coating

    Thickness (µm per side)Weight (g/m² per side)
    One-sided coatingZE 0/250.0/2.50/18
    ZE 0/500.0/5.00/36
    Two-sided coatingZE 25/252.5/2.518/18
    ZE 50/505.0/5.036/36
    For other or intermediate layer thicknesses, please contact us.

    Other

    Storage

    ArcelorMittal’s electrogalvanised steel is supplied passivated and/or phosphated and/or oiled to temporarily limit the risk of white rust formation. During transport and storage, all necessary precautions must be taken to keep the material dry and to prevent the formation of condensation. Rust prevention can be further improved by the application of an Easyfilm® thin organic coating.


    Forming and joining

    The forming and joining techniques mainly used for uncoated steel sheets are also suitable for steel sheet with electrogalvanised coatings, even in the case of extreme forming operations. Forming performance is improved if electrogalvanised steel is coated with an Easyfilm® thin organic coating.


    Painting

    Electrogalvanised steel can be painted after degreasing and surface treatment when supplied oiled. When phosphated or coated with an Easyfilm® thin organic coating, electrogalvanised steel can be painted directly, without any prior surface treatment. However, the paint must be compatible with the Easyfilm® resin.


    Mechanical properties

    The choice of direction for the mechanical properties should be specified when ordering.

    Welding

    In electrical resistance welding, the welding current must be suitably regulated and regularly adjusted. Electrode life can be extended by regularly stepping up the welding current and periodically dressing (machining) the electrodes.