EN 573-3 Grade AW-1098 H18

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Description

Material EN AW-Al 99,98 is produced in large quantities for wire and prewire for mechanical application as well as for center punching. It is used in limited amount for sheets, bands and plates, rolled bars as well as for wire and prewire for welding applications. It is food-safe. The material is comparable to the trademark Al99,98R, material number 3.0385, acc. to DIN 1712-3 : 1976-12. EN AW-Al 99,98 is an extremely pure aluminium material with particularly high electrical conductivity. This material is very well anodic oxidizable (high gloss finished surfaces), but it shows only low mechanical strength. It is unsuitable for machining (greasing), however it is well weldable and solderable. Formability and corrosion behavior in acid sphere are very good. Application: e.g. for pressure gas tanks, for chemical and food industry, for household articles, reflectors, decorative strips, costume jewelry, for etching band, electrolyte condensers as well as for feederflags.

Related Standards

Equivalent Materials

This material data has been provided by WIAM,AluKey.

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

PropertyValueTemperature

Density

2.7 g/cm³

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20.0 °C

2.7 g/cm³

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23.0 °C

Mechanical

PropertyValueTemperatureComment

Elastic modulus

70 GPa

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-270.0 °C

70 - 72 GPa

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20.0 °C

70 GPa

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23.0 °C

69 GPa

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50.0 °C

68 GPa

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100.0 °C

66 GPa

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150.0 °C

63 GPa

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200.0 °C

57 GPa

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250.0 °C

50 GPa

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300.0 °C

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Elongation

2 %

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23.0 °C

Elongation A100

2 %

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20.0 °C

Plane-Strain Fracture Toughnes

22 - 35 MPa·√m

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23.0 °C

Typical for Wrought 1000 Series Aluminium

Poisson's ratio

0.33 [-]

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23.0 °C

Typical for Wrought 1000 Series Aluminium

Shear modulus

25 - 26.5 GPa

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20.0 °C

Tensile strength

115 MPa

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20.0 °C

115 MPa

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23.0 °C

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Yield strength Rp0.2

110 MPa

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20.0 °C

110 MPa

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23.0 °C

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Thermal

PropertyValueTemperature

Coefficient of thermal expansion

2.18E-5 1/K

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-50.0 °C

2.18E-5 - 2.55E-5 1/K

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20.0 °C

2.35E-5 - 2.36E-5 1/K

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100.0 °C

2.45E-5 1/K

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200.0 °C

2.55E-5 1/K

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300.0 °C

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Melting point

660 °C

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Specific heat capacity

900 J/(kg·K)

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20.0 °C

900 J/(kg·K)

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23.0 °C

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Thermal conductivity

215 - 227 W/(m·K)

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20.0 °C

232 W/(m·K)

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23.0 °C

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Electrical

PropertyValueTemperature

Electrical conductivity

3.76E+7 - 3.78E+7 S/m

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20.0 °C

3.75E+7 - 3.77E+7 S/m

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23.0 °C

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Electrical resistivity

2.65E-8 - 2.67E-8 Ω·m

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23.0 °C

Chemical properties

Property

Aluminium

99.98 %

Copper

3E-3 %

Iron

6E-3 %

Other

each 0.003

Silicon

0.01 %

Titanium

3E-3 %

Zinc

0.02 %

Technological properties

Property
Brazing

hard brazing (with flux/ without flux): very good / very good, friction soldering: very good, soft brazing with flux: very good, general: very good

Corrosion properties

Seawater: acceptable, weathering: good

Workability

Bending / Spinning (cold): very good