EN 10346 Grade DX56D hot dip aluminium-silicon coated (+AS)

Alternative und Handelsbezeichungen
AL6,BXS

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Description

Alusi® is a flat carbon steel product coated on both sides with an aluminium-silicon alloy. The coating is composed of 90% aluminium and 10% silicon and is applied by means of a continuous hot dip galvanising process. Alusi® is available in a wide range of steel grades: steels for cold forming and deep drawing applications, and structural steels.

Alusi® is particularly suitable for applications requiring high resistance to oxidation at high temperatures. Up to 450°C, the top surface of the Alusi® coating does not alter and its thermal and light reflectivity remains at 80%, which is an important requirement for thermal shielding applications. The presence of silicon allows the coating to be used at temperatures as high as 650°C without flaking.

A passivating layer of aluminium oxide is formed instantly in contact with the oxygen present in air. Since this passivation protection renews itself naturally when damaged (scratches), the coating offers excellent resistance to corrosion and chemical attacks.

Related Standards

Diese Materialdaten wurden von ArcelorMittal zur Verfügung gestellt

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Eigenschaften

Abmessung

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

Mechanisch

Property	Value	Comment
Dehnung	35 % Show Supplier Material materials with Dehnung of 35 %	min. \| for thickness 0.3-0.5 mm \| Transverse \| A80
	37 % Show Supplier Material materials with Dehnung of 37 %	min. \| for thickness 0.5-0.7 mm \| Transverse \| A80
	39 % Show Supplier Material materials with Dehnung of 39 %	min. \| for thickness 0.7-3 mm \| Transverse \| A80
Plastic strain ratio	1.3 [-] Show Supplier Material materials with Plastic strain ratio of 1.3 [-]	min. \| 90ᵒ Transverse \| for thickness 2-3 mm
	1.5 [-] Show Supplier Material materials with Plastic strain ratio of 1.5 [-]	min. \| 90ᵒ Transverse \| for thickness 0.3-0.7 mm
	1.5 [-] Show Supplier Material materials with Plastic strain ratio of 1.5 [-]	min. \| 90ᵒ Transverse \| for thickness 1.5-2 mm
	1.7 [-] Show Supplier Material materials with Plastic strain ratio of 1.7 [-]	min. \| 90ᵒ Transverse \| for thickness 0.7-1.5 mm
Strain hardening exponent	0.19 [-] Show Supplier Material materials with Strain hardening exponent of 0.19 [-]	min. \| 90ᵒ Transverse \| for thickness 0.3-0.7 mm
	0.2 [-] Show Supplier Material materials with Strain hardening exponent of 0.2 [-]	min. \| 90ᵒ Transverse \| for thickness 0.7-3 mm
Streckgrenze	120 - 180 MPa Show Supplier Material materials with Streckgrenze of 120 - 180 MPa	for thickness 0.3-3 mm \| Transverse
Zugfestigkeit	260 - 350 MPa Show Supplier Material materials with Zugfestigkeit of 260 - 350 MPa	for thickness 0.3-3 mm \| Transverse

Chemical properties

Property	Value	Comment
Kohlenstoff	0.12 % Show Supplier Material materials with Kohlenstoff of 0.12 %	max.
Mangan	0.6 % Show Supplier Material materials with Mangan of 0.6 %	max.
Phosphor	0.1 % Show Supplier Material materials with Phosphor of 0.1 %	max.
Schwefel	0.045 % Show Supplier Material materials with Schwefel of 0.045 %	max.
Silizium	0.5 % Show Supplier Material materials with Silizium of 0.5 %	max.
Titan	0.3 % Show Supplier Material materials with Titan of 0.3 %	max.

Technological properties

Property

Application areas

Because Alusi® can resist high temperatures, it is particularly suitable for use in thermal shielding. However, Alusi® also has many other applications:

General industry: exhaust systems, thermal shields, heating equipment, boilers, ducts, fume exhaust pipes, heat exchangers, industrial ovens etc

Building: fire doors etc

Domestic appliances: ovens, deep fryers, toasters, barbecues etc

Alusi® can be supplied oiled and/or passivated, or with an Easyfilm® thin organic coating (please see data sheet E80 for the specific properties of Easyfilm®).

Under certain conditions, Alusi® is suitable for food contact, as specified in the Regulation (EC) No. 1935/2004 and French standard NF A 36-712-2. Please contact us for further information on this subject.

Coating

Alusi®	Coating weight - double sided (g/m²)	Coating thickness (µm per side)
AS50	50	8.5
AS60	60	10
AS80	80	13
AS100	100	17
AS120	120	20
AS150	150	25
AS240	240	40

For other coating thicknesses, please contact us.

Other

Recommendations for use

Alusi® must be transported and stored in a sheltered, moisture-free environment.

The forming and joining techniques currently used for uncoated steel are also suitable for Alusi®.

Alusi® coated steel can be welded using various types of resistance welding processes (spot, seam, butt welding). TIG, MIG, MAG, High Frequency Induction welding and laser welding are also suitable. When supplied oiled, Alusi® needs degreasing and surface treatment before painting.

Alusi® coated with an Easyfilm® thin organic coating can be painted directly, without any prior surface treatment. However, the paint must be compatible with the Easyfilm® resin.

EN 10346 Grade DX56D hot dip aluminium-silicon coated (+AS)

Description

Related Standards

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Eigenschaften