3103 H18 Aluminum Alloy – Non‑Heat‑Treatable Wrought Grade with Enhanced Strength
Stronger and harder than 1200, yet retains comparable ductility and corrosion resistance.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 2.73 g/cm³ |
Dimension
| Property | Value |
|---|---|
Thickness | 0.06 - 4 mm |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | 23.0 °C | 70 GPa |
Elongation A50 | 23.0 °C | 1 - 2 % |
Hardness, HBW | 23.0 °C | 62 [-] |
Shear modulus | 23.0 °C | 26.5 GPa |
Tensile strength | 23.0 °C | 185 MPa |
Yield strength | 23.0 °C | 165 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 2.5E-5 1/K | 20-100°C |
Thermal conductivity | 23.0 °C | 176 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 23.0 °C | 4.3E-8 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Chromium | 0.1 % |
Copper | 0.1 % |
Iron | 0.7 % |
Magnesium | 0.3 % |
Manganese | 0.9 - 1.5 % |
Silicon | 0.5 % |
Zinc | 0.2 % |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | Very Good | |
| Application areas | Facades: Single sheet, Sheets for composites/ sandwich Panels, Sheets for mechanized panels; Roofing: Single sheet, Sheets for composites/ sandwich Panels; Doors: Sheets for composites/ sandwich Panels, Sheets for mechanized panels; Sun Protection Systems: Single sheet (covering, sun breakers and gutters); Interiors and ceilings: Single sheet, Sheets for composites/ sandwich Panels, Sheets for mechanized panels, Decoration; Furniture, Plinths, Blinds: Single sheet, Intermediate transformation/interior use; Anodizing Quality; Lithography; Heat exchangers: Fins, Heat exchangers; Tubes: Flexible tube, Pipes; Cosmetics: Cosmetics pieces; Semi-rigid and corrugated: Smooth wall; Components: Automotive fins, Heat exchangers | |
| Brazing | Excellent | |
| Corrosion properties | Very Good | |
| Welding | Very Good | |
| Workability | Very Good | |
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