EN 573-3 Grade 3.3211 H18 – Premium Aluminum Alloy for Corrosion Resistance and High Performance
DIN 3.3211 is a readily available alloy that has good surface finish and ability to be anodized.Easy of weldability and brazability with nice surface finish. Resistance to corrosion from seawater and atmospheric conditions. Suitable for hot forging.
Properties
General
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Density | 2.7 g/cm³ | H18 | EN 573-3, EN 1301 |
Mechanical
| Property | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|
Elastic modulus | 69.0 GPa | H18 | EN 573-3, EN 1301 | |
70.0 GPa | H18 | EN 573-3, EN 1301 | ||
Plane-Strain Fracture Toughnes | 22.0 - 35.0 MPa·√m | Typical for Wrought 6000 Series Aluminium | ||
Poisson's ratio | 0.33 [-] | Typical for Wrought 6000 Series Aluminium | ||
Shear modulus | 26.3 GPa | H18 | EN 573-3, EN 1301 | |
Tensile strength | 210.0 MPa | H18 | EN 573-3, EN 1301 |
Thermal
| Property | Temperature | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|---|
Coefficient of thermal expansion | 20 °C | 2.3e-05 1/K | H18 | EN 573-3, EN 1301 | |
20 °C | 2.36e-05 1/K | H18 | EN 573-3, EN 1301 | ||
100 °C | 2.3e-05 1/K | H18 | EN 573-3, EN 1301 | ||
100 °C | 2.36e-05 1/K | H18 | EN 573-3, EN 1301 | ||
Melting point | 580.0 - 640.0 °C | H18 | EN 573-3, EN 1301 | ||
580.0 - 650.0 °C | H18 | EN 573-3, EN 1301 | |||
Specific heat capacity | 887.0 - 963.0 J/(kg·K) | Typical for Wrought 6000 Series Aluminium | |||
Thermal conductivity | 155.0 - 180.0 W/(m·K) | H18 | EN 573-3, EN 1301 | ||
170.0 - 200.0 W/(m·K) | H18 | EN 573-3, EN 1301 |
Electrical
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Electrical conductivity | 22000000.0 - 30000000.0 S/m | H18 | EN 573-3, EN 1301 |
23000000.0 - 27000000.0 S/m | H18 | EN 573-3, EN 1301 | |
Electrical resistivity | 3.33e-08 - 4.55e-08 Ω·m | H18 | EN 573-3, EN 1301 |
3.7e-08 - 4.35e-08 Ω·m | H18 | EN 573-3, EN 1301 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Chromium | 0.04 - 0.35 % | H18 | EN 573-3, EN 1301 |
Copper | 0.15 - 0.4 % | H18 | EN 573-3, EN 1301 |
Iron | 0.70 % | H18 | EN 573-3, EN 1301 |
Magnesium | 0.8 - 1.2 % | H18 | EN 573-3, EN 1301 |
Manganese | 0.15 % | H18 | EN 573-3, EN 1301 |
Silicon | 0.4 - 0.8 % | H18 | EN 573-3, EN 1301 |
Titanium | 0.15 % | H18 | EN 573-3, EN 1301 |
Zinc | 0.25 % | H18 | EN 573-3, EN 1301 |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | decorative: acceptable, Protective: very good | |
| Brazing | hard brazing (with flux/ without flux): good / sufficient, friction soldering: good, soft brazing with flux: acceptable | |
| Corrosion properties | Seawater: good to acceptable, weathering: good | |
| Workability | Bending / Spinning (cold): acceptable (T3, T4) / good (O), Impact extrusion (cold): good (O), Deep drawing / upsetting (Condition) good (O) / good (O) | |
Metal
- EN 573-3 Grade 3.1305 H18 Aluminium Alloy Specifications
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- AW-8079 H18 Aluminum Alloy – EN 573-3 Certified, Food‑Safe, High‑Strength
- EN 573-3 Grade 3.1325 H18 Aluminium – Key Properties & Standards
- EN 573-3 Grade 3.2315 H18 – Aluminum 6000 Series Properties
- EN 573-3 Grade 3.3206 H18 – Detailed Material Properties & Standards
- AW-2117 H18: Premium Age-Hardenable AlCu Alloy (EN 573-3 Grade)
- EN 573-3 Grade AW-6056 H18 – High-Strength Age-Hardenable AlMgSi Alloy
- EN 573-3 Grade 3.3211 O3 – High‑Performance Alloy for Corrosion Resistance & Surface Finish
- EN 573-3 Grade 3.3211 F – High-Performance Anodizable Aluminium Alloy