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Commercial Purity Aluminium1050

This document provides information on the chemical composition, properties, characteristics, and typical uses of the commercial-purity aluminium alloy 1050 A. Key points include: - 1050 A aluminium has a minimum 99.5% aluminium composition with limited amounts of other elements such as copper, magnesium, silicon, and iron. - It has excellent corrosion resistance, conductivity, ductility, and reflectivity. Common forms include sheet ingot and extrusions for uses in food/chemical equipment, cable sheathing, and pyrotechnic powder. - Typical physical properties include a density of 2.71 g/cm3, melting range of 650-660°C, and thermal conductivity of 222 W

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90 views1 page

Commercial Purity Aluminium1050

This document provides information on the chemical composition, properties, characteristics, and typical uses of the commercial-purity aluminium alloy 1050 A. Key points include: - 1050 A aluminium has a minimum 99.5% aluminium composition with limited amounts of other elements such as copper, magnesium, silicon, and iron. - It has excellent corrosion resistance, conductivity, ductility, and reflectivity. Common forms include sheet ingot and extrusions for uses in food/chemical equipment, cable sheathing, and pyrotechnic powder. - Typical physical properties include a density of 2.71 g/cm3, melting range of 650-660°C, and thermal conductivity of 222 W

Uploaded by

Herman
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Non Heat Treatable Commercial-Purity Aluminium 1050 A

Chemical Composition Limits (in %) Aluminium 99,5% minimum


Other elements
Cu Mg Si Fe Mn Zn Ti Each Total

0,05 0,05 0,25 0,4 0,05 0,07 0,05 0,03

Outstanding Characteristics:
Excellent corrosion resistance, electrical and thermal
conductivity. High ductility. High reflectivity.

Standard Commodities:
Sheet ingot: sheet, extrusions

Typical Uses:
Equipment and containers for food, chemical, brewing and atomic energy industry;
cable sheathing; collapsible tubes; pryotechnic powder, alpaste.

Typical Physical Properties Other Characteristics


Density 2,71 g/cm3 Corrosion Resistance : Excellent
Modulus of Elasticity 71 GPa Weldability : Excellent
Modulus of Rigidity 26,5 GPa Formability : Excellent
o
Melting Range 650-660 C Anodising : Excellent
Specific heat between 10-100oC Brazeability : Excellent
(283-373 K) 0,92 J/gK
Coefficient of linear expansion
between 20-100oC (293-373K) 24 x 10-6 /K
Thermal Conductivity at 25oC
(298 K) 222 W/mK
Resistivity at 20oC (293 K) 0,0282 x 10-6 Ωm

Mechanical Properties
Commodity Gauge 0,2% Proof Ultimate Elongation Brinell Ultimate
and mm Stress Tensile A5 Hardness Shear
Temper MPa Strength % HB Strength
MPa MPa

Sheet
F 3,0-40,0 55 (-) 200
O 0,2-9,0 55 (-) 95 30-32*
H12 0,2-9,0 80 (-) 115 8-9 *
H14 0,2-12,5 100 (-) 135 6-8 *
H16 0,2-6,0 120 (-) 145 5-6 *
H18 0,2-6,0 135 (-) 190 4*

Extrusions
F 60 ( 65) 25 (32) 35 (-)
O ( 75) 95 (35)
H14 100 (115) 135
H18 135 (175) * 50 mm gauge length; sheet thickness over 1,3 mm

Annealing
Temperature oC Time h
------------------------ ------------------------
350 ± 3 See general notes

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