AA Standards Grade 3003 H24

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Description

A high strength Mg free tube alloy suited for controlled atmosphere brazing.


The FA7929 alloy is designed as a high strength alloy with good corrosion resistance suitable for welded or folded tubes. In combination with suitable n-, header- and side plate alloys this material provides substantial down-gauging opportunities based on its high post braze strength. Furthermore, this product enables easy handling in the heat exchanger production process due to its good formability and outstanding brazeability. The product performance can be further adjusted by adding a sacrificial alloy on the waterside to improve the corrosion resistance.

Related Standards

Equivalent Materials

This material data has been provided by AluKey,Gränges,MakeItFrom.com.

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.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

2.73 - 2.8 g/cm³

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Dimension

PropertyValue

Dimensions

<p>Standard process capabilities:</p> <p>Width: 10-1400mm</p> <p>Thickness 0.050-3.18mm</p>

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

69 GPa

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Elongation

23.0 °C

2.9 %

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Elongation A100

23.0 °C

7 %

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Elongation A50

23.0 °C

0.5 - 20 %

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Min.

Plane-Strain Fracture Toughnes

23.0 °C

22 - 35 MPa·√m

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Typical for Wrought 3000 Series Aluminium

Poisson's ratio

23.0 °C

0.33 [-]

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Typical for Wrought 3000 Series Aluminium

Shear modulus

23.0 °C

25 - 26 GPa

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Typical for Wrought 3000 Series Aluminium

Tensile strength

23.0 °C

110 - 220 MPa

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Yield strength

23.0 °C

130 MPa

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Yield strength Rp0.2

23.0 °C

50 - 160 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

2.32E-5 1/K

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for 20-100°C

23.0 °C

2.3E-5 - 2.36E-5 1/K

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for 20-100°C

100.0 °C

2.32E-5 1/K

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for 20-100°C

Melting point

605 - 655 °C

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Mean

Specific heat capacity

23.0 °C

889 - 890 J/(kg·K)

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Thermal conductivity

23.0 °C

159 - 193 W/(m·K)

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After brazing, calculated from electric resistivity data measured at room temperature

Electrical

PropertyTemperatureValueComment

Corrosion potential

23.0 °C

-720 - -690 mV

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Electrical conductivity

23.0 °C

2.40E+7 - 2.90E+7 S/m

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Electrical resistivity

23.0 °C

3.4E-8 - 4.3E-8 Ω·m

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Changes depending on temper

Chemical properties

PropertyValueComment

Aluminium

96.8 - 99 %

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Balance

Copper

0.05 - 0.7 %

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Iron

0 - 0.7 %

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Manganese

1 - 1.6 %

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Other

0 - 0.15 %

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each 0.05, total 0.15, Rest Al

Silicon

0 - 0.8 %

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Titanium

0.1 - 0.2 %

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Zinc

0 - 0.2 %

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Zirconium

0 - 0.1 %

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Technological properties

Property
Application areas

Automotive, Heat Exchangers

Brazing

general: possible with commercial processes and methods

Corrosion properties

Stress corrosion cracking: no damage during operation and laboratory tests, general: very good, without protection in industrial or seawater atmosphere

General machinability

General: not suitable (O, H12), poor (H14, H16, H25)

Heat Treatment

Age Hardenable

Processing history

Temper: H24

Workability

general (condition): good (O, H12), acceptable (H14, H25), poor(H16, H18)