EN 573-3 Grade 3.3537 H18: Aluminium Alloy Specification
Properties
General
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Density | 2.68 g/cm³ | H18 | EN 573-3, EN 1592 |
Mechanical
| Property | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|
Bending Fatigue Strength | 145.0 MPa | H18 | EN 573-3, EN 1592 | |
Elastic modulus | 70.5 GPa | H18 | EN 573-3, EN 1592 | |
Plane-Strain Fracture Toughnes | 22.0 - 35.0 MPa·√m | Typical for Wrought 5000 Series Aluminium | ||
Poisson's ratio | 0.33 [-] | Typical for Wrought 5000 Series Aluminium | ||
Shear modulus | 26.5 GPa | H18 | EN 573-3, EN 1592 | |
Tensile strength | 310.0 MPa | H18 | EN 573-3, EN 1592 |
Thermal
| Property | Temperature | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|---|
Coefficient of thermal expansion | -50 °C | 2.1899999999999997e-05 1/K | H18 | EN 573-3, EN 1592 | |
20 °C | 2.1899999999999997e-05 1/K | H18 | EN 573-3, EN 1592 | ||
20 °C | 2.36e-05 1/K | H18 | EN 573-3, EN 1592 | ||
20 °C | 2.46e-05 1/K | H18 | EN 573-3, EN 1592 | ||
20 °C | 2.56e-05 1/K | H18 | EN 573-3, EN 1592 | ||
100 °C | 2.36e-05 1/K | H18 | EN 573-3, EN 1592 | ||
200 °C | 2.46e-05 1/K | H18 | EN 573-3, EN 1592 | ||
300 °C | 2.56e-05 1/K | H18 | EN 573-3, EN 1592 | ||
Max service temperature | 150.0 °C | Typical for Wrought 5000 Series Aluminium | |||
Melting point | 602.0 - 646.0 °C | H18 | EN 573-3, EN 1592 | ||
Specific heat capacity | 900.0 J/(kg·K) | H18 | EN 573-3, EN 1592 | ||
Thermal conductivity | 130.0 - 150.0 W/(m·K) | H18 | EN 573-3, EN 1592 |
Electrical
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Electrical conductivity | 19000000.0 - 21000000.0 S/m | H18 | EN 573-3, EN 1592 |
Electrical resistivity | 4.76e-08 - 5.26e-08 Ω·m | H18 | EN 573-3, EN 1592 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Chromium | 0.05 - 0.2 % | H18 | EN 573-3, EN 1592 |
Copper | 0.1 % | H18 | EN 573-3, EN 1592 |
Iron | 0.40 % | H18 | EN 573-3, EN 1592 |
Magnesium | 2.4 - 3.0 % | H18 | EN 573-3, EN 1592 |
Manganese | 0.5 - 1.0 % | H18 | EN 573-3, EN 1592 |
Silicon | 0.25 % | H18 | EN 573-3, EN 1592 |
Titanium | 0.2 % | H18 | EN 573-3, EN 1592 |
Zinc | 0.25 % | H18 | EN 573-3, EN 1592 |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | decorative: sufficient, Protective: good | |
| Brazing | hard brazing (with flux/ without flux): poor / sufficient, friction soldering: acceptable, soft brazing with flux: poor | |
| Corrosion properties | Seawater: very good, weathering: very good | |
| Workability | Bending / Spinning (cold): good / acceptable, Impact extrusion (cold): sufficient, Deep drawing / upsetting (Condition) good (O) / good (H12) | |
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