Electrical Conductor Grade
1350
The reference alloy for electrical conductors with the highest conductivity among all extruded alloys.
61–62% IACS Conductivity
230 W/m·K Thermal Cond.
≥99.50% Purity
1350 (formerly "EC" — Electrical Conductor) is the alloy of choice for electrical conductors. With a minimum of 99.50% aluminum and strict impurity limits, it offers the highest electrical conductivity of all extruded aluminum alloys (61–62% IACS).
International Nomenclature
| Standard | Designation |
|---|---|
| AA (USA) | 1350 (EC) |
| EN (Europa) | EN AW-1350 · EAl99.5 |
| DIN (Alemania) | E-Al99.5 / 3.0257 |
| ISO | EAl99.5 |
Chemical Composition
| Element | Symbol | Percentage |
|---|---|---|
| Aluminum | Al | ≥99.50% |
| Silicon | Si | ≤0.10% |
| Iron | Fe | ≤0.40% |
| Copper | Cu | ≤0.05% |
| Manganese | Mn | ≤0.01% |
| Chromium | Cr | ≤0.01% |
| Zinc | Zn | ≤0.05% |
Physical Properties
| Property | Value |
|---|---|
| Density | 2.70 g/cm³ |
| Melting Range | 650–660 °C |
| Thermal Conductivity | 230 W/m·K |
| Electrical Conductivity | 61–62% IACS |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (UTS) | 83–186 MPa |
| Yield Strength | 29–170 MPa |
| Elongation (O temper) | 23–35% |
| Hardness (O temper) | ~23 HB |
Key Characteristics
- Highest electrical conductivity of all extruded aluminum alloys (61–62% IACS)
- Exceptional thermal conductivity (230 W/m·K)
- Non-heat-treatable; strengthened exclusively through work-hardening
- Impurity limits specifically designed to maximize conductivity
Industries & Applications
Electrical Power
High/medium-voltage conductors, bus bars, cable sheathing
Electronics
Shims, foils, heat spreaders
Telecommunications
Overhead transmission lines
Special Notes
1350 is the alloy of choice for electrical conductors, formerly known as "EC" alloy. Elements like Mn, Cr, V, and Ti are kept extremely low because they degrade electrical performance.
Need 1350?
We manufacture this alloy in ingots, donuts, and bars to your exact specifications.