DIN 1725-1 Grade 3.1355 H14 Aluminum Alloy – High Strength, Machinability, and Aviation‑Grade Performance
Aluminum DIN 3.1355, known for its use in aircraft industry, is an alloy that offers excellent strength. When in the annealed condition it is readily formed and has good machinability. Though it has a relatively low level of corrosion resistance, it can be machined to a high finish.
Properties
General
| Property | Temperature | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|---|
Density | 20.0 °C | 2.77 g/cm³ | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Mechanical
| Property | Temperature | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|---|
Elastic modulus | 20.0 °C | 70.0 - 74.5 GPa | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire | |
Hardness, Brinell | 20.0 °C | 75.0 [-] | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire | |
Plane-Strain Fracture Toughnes | 22.0 - 35.0 MPa·√m | Typical for Wrought 2000 Series Aluminium | ||||
Poisson's ratio | 0.33 [-] | Typical for Wrought 2000 Series Aluminium | ||||
Shear modulus | 20.0 °C | 27.0 - 28.0 GPa | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire | |
Tensile strength | 20.0 °C | 260.0 - 340.0 MPa | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Thermal
| Property | Temperature | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|---|
Coefficient of thermal expansion | 1.6e-05 - 2.4e-05 1/K | Typical for Wrought 2000 Series Aluminium | ||||
Melting point | 500.0 - 650.0 °C | Typical for Wrought 2000 Series Aluminium | ||||
Specific heat capacity | 20.0 °C | 875.0 J/(kg·K) | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire | |
Thermal conductivity | 20.0 °C | 130.0 - 150.0 W/(m·K) | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Electrical
| Property | Temperature | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|---|
Electrical conductivity | 20.0 °C | 18000000.0 - 21000000.0 S/m | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire | |
Electrical resistivity | 3.4e-08 - 6e-08 Ω·m | Typical for Wrought 2000 Series Aluminium |
Chemical properties
| Property | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|
Chromium | 0.1 | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Copper | 3.8 - 4.9 % | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Iron | 0.5 | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Magnesium | 1.2 - 1.8 % | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Manganese | 0.3 - 0.9 % | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Silicon | 0.5 | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Titanium | 0.15 | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Zinc | 0.25 | H14 | DIN 1725-1, EN 573-3, EN 573-4 | Wire |
Technological properties
| Property | ||
|---|---|---|
| Workability | Moderate Workability | |
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