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

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Last Datasheet Revision

16 February 2023

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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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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.

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G.AL C250 Precision Milled Plate

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.

Chemical Composition

Spec: G.AL C250 Alloy 5083

Precision Milled Plate

Chemical Element	% Present
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

Properties

Physical Property	Value
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

Spec: G.AL C250 Alloy 5083

G.AL C250 Alloy 5083 -

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

Supplied Forms

Plate

Tolerances

Thickess (mm)	Flatness Tol (mm)	Thickness Tol (mm)	Width & Length Tol (mm)
5	0.80	+/- 0.1	-0 / +20
6-12.7	0.40	+/- 0.1	-0 / +20
Over 12.7	0.13	+/- 0.1	-0 / +20

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