Aluminium Alloy - Commercial Alloy

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Last Datasheet Revision

13 November 2018

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This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon.

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3003 '0' Sheet

Aluminium alloy 3003 is a medium strength alloy with very good resistance to atmospheric corrosion and very good weldability as well as good cold formability. It has better mechanical properties, especially at elevated temperatures than the 1000 series alloys.

Applications - Alloy 3003 is typically used for:
Building industry: roofing and sidings, acoustic ceilings, corrugated sheets
Chemical and food industries: storage tanks, pipes, metal work
Equipment for heating and cooling: heat exchangers, air condition evaporators, motor vehicle radiators, freezer linings
Home appliances: cooking utensils, bakery moulds
Office equipment
Tube & Pipe
Packaging: containers, closures. Cladding alloy.

Chemical Composition

Spec: BS EN 573-3:2009

Alloy 3003

Chemical Element	% Present
Others (Total)	0.0 - 0.15
Cobalt (Co)	0.05 - 0.20
Hydrogen (H)	0.0 - 0.70
Magnesium (Mg)	1.00 - 1.50
Silicon + Iron (Si+Fe)	0.0 - 0.60
Zirconium (Zr)	0.0 - 0.10
Other (Each)	0.0 - 0.05
Aluminium (Al)	Balance

Properties

Physical Property	Value
Density	2.73 g/cm³
Melting Point	655 °C
Thermal Expansion	23.1 x10^-6 /K
Modulus of Elasticity	69.5 GPa
Thermal Conductivity	190 W/m.K
Electrical Resistivity	0.034 x10^-6 Ω .m

Spec: BS EN 485-2:2008

Sheet - 0.2mm to 6.00mm

Mechanical Property	Value
Tensile Strength	95 - 135 MPa
Proof Stress	35 Min MPa
Hardness Brinell	28 HB

Alloy Designations

Aluminium alloy 3003 also corresponds to the following standard designations and specifications:

Temper Types

The most common tempers for 3003 aluminium are:

O - Soft

Supplied Forms

Alloy 3003-0 is normally supplied as soft sheet

Sheet

Weldability

Alloy 3003 has very good weldability

Fabrication

Workability – Cold: Very Good

Machinability: Acceptable

Weldability – Gas: Very Good

Weldability – Arc: Very Good

Weldability – Resistance: Good

Brazability: Very Good

Solderability: Very Good

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