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AA 5083 ALCA5® Cast Plate

Alternative and trade names
ALCA5® Precision Cast Plate
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Description

ALCA5® cast precision plate's main advantage is its dimensional stability. The low level of internal stress, reduces considerably the possibilty of plate deformation during and after machining. This high stability leads to some cost savings by avoiding extra operations such as rough-milling, finishing or re-works. Typical applications are reference plates, molds, jigs, machine parts and construction equipments.

Equivalent Materials

Ashby charts

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Properties

General

Density

ρ

2.66 g/cm³ at 20 °C

Surface roughness

RMS

0.4 μm

max.

Dimension

Length

l

7341 mm

max.

Thickness

t

6.35 - 101.6 mm

Width

w

2451 mm

max.

Mechanical

Elastic modulus

E

71 GPa at 20 °C

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Elongation

A

16 % at 20 °C

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Hardness, Brinell

HB

70 [-] at 20 °C

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Tensile strength

Rm

283 MPa at 20 °C

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Yield strength

YS

124 MPa at 20 °C

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Thermal

Coefficient of thermal expansion

α

2.376E-5 1/K at 20 °C

for 23-100°C

Thermal conductivity

λ

120 W/(m·K) at 20 °C

Electrical

Electrical conductivity

σel

1.57E+7 S/m at 20 °C

Specific Electrical conductivity

27 % IACS

Chemical properties

Element

Weight %

Comment

Al

-

Balance

Mg

4 - 4.9 %

Fe

0.4 %

max.

Mn

0.4 - 1 %

Si

0.4 %

max.

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Technological properties

Anodizing

Hard anodizing: Excellent; Decorative: Not suitable

Application areas

Reference plates, Tool & Jig, Mold base plates, Machine parts and mounting, Construction equipment

Availability

ALCA5® cast precision plates are available in temper O3 (homogenized) aluminium. Different ingots offer milling capabilities up to 1080 mm thick, or 2489 mm width, and 7391 mm in length. Non-standard thicknesses, widths and lengths are available upon inquiry. ALCA5® plates are coated with a labelled protective plastic film on both sides.

Corrosion properties

Inland atmosphere: Excellent; Marine atmosphere: Good

Dimensional stability

Excellent

General machinability

Excellent

Polishing ability

Very good

Welding

WIG/MIG: very good; By resistance: very good

Do you need more data regarding this material?

This material data has been provided by PCP Aluminium.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.