Dalsteel Metals Pty Limited

Data Sheets

Aluminium Alloy // Commercial Alloy // G.AL C250 Precision Milled Plate

Chemical Element % Present

Spec: G.AL C250 Alloy 5083

Precision Milled Plate

Manganese (Mn) 0.40 - 1.00
Iron (Fe) 0.40 max
Copper (Cu) 0.10 max
Magnesium (Mg) 4.00 - 4.90
Silicon (Si) 0.0 - 0.40
Zinc (Zn) 0.0 - 0.10
Chromium (Cr) 0.05 - 0.25
Titanium (Ti) 0.05 - 0.25
Other (Each) 0.0 - 0.05
Others (Total) 0.0 - 0.15
Aluminium (Al) Balance
Physical PropertyValue
Density 2.66 g/cm³
Melting Point 570 °C
Thermal Expansion 23.3 x10^-6 /K
Modulus of Elasticity 70 GPa
Thermal Conductivity 110-130 W/m.K
Electrical Resistivity 29-32 % IACS
Heat Capacity 900 J/kgK
Mechanical PropertyValue

Spec: G.AL C250 Alloy 5083

G.AL C250 Alloy 5083 -

Hardness Brinell 68-73 HB
Elongation A 10-15 %
Proof Stress 110-130 MPa
Tensile Strength 230-260 MPa

G.AL C250 Precision Milled Plate, Alloy 5083 is supplied homogenised and stress relieved in thicknesses from 5mm to 100mm
It is precision milled to a roughness Ra of 0.4 microns and supplied folied on both sides.

Supplied Forms

  • Plate


Thickess (mm)Flatness Tol (mm)Thickness Tol (mm)Width & Length Tol (mm)
50.80+/- 0.1-0 / +20
6-12.70.40+/- 0.1-0 / +20
Over 12.70.13+/- 0.1-0 / +20

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.

Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.

The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed & online) and manufacturers’ data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources.

Material supplied by the Company may vary significantly from this data, but will conform to all relevant and applicable standards.

As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose, whether expressed or implied.

Advice given by the Company to any third party is given for that party’s assistance only and without liability on the part of the Company. All transactions are subject to the Company’s current Conditions of Sale. The extent of the Company’s liabilities to any customer is clearly set out in those Conditions; a copy of which is available on request.

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