3105
UNS A93105
Description
Aluminum alloy 3105 is an essentially 98% pure aluminum alloy with minor additions for strength, which is not hardenable by heat treatment. The alloy has following features: (1) Average machinability. However, its machinability can be increased in harder tempers condition. (2) Good forming characteristics. (3) Good weldability. It can be welded using arc welding method. (4) Good corrosion resistance. The material temper of aluminum 3105 is O, H12, H14, H16, H18, H19, H22, H24, H26, H28, H32, H34, H36 and H38.
Chemical Component
| Al | Si | Fe | Cu | Mg | Zn | Cr | Ti | Mn | Others |
|---|---|---|---|---|---|---|---|---|---|
| Balance | 0.6% max | 0.7% max | 0.30% max | 0.20-0.8% | 0.40% max | 0.20% max | 0.10% max | 0.30-0.8% | 0.05% max (each); 0.15% max (total) |
Basic Information
| Items | 3105 |
|---|---|
| Catalog | ACAM-Al-A009 |
| Density | 0.0983 lb/in3 |
| Modulus of Elasticity | 10.0 x 106 psi |
| Thermal Conductivity | 99 Btu/ft hr °F |
| Specific Heat | 0.214 Btu/lb °F |
| Electricity Resistivity | 1.504 Microohm-in |
| Coefficient of Thermal Expansion | At 68-212 °F: 12.1 x 10-6 °F |
Material Forms
Alfa Chemistry offers aluminum alloy 3105 in the form of coil.
Mechanical Properties
- Mechanical property requirements for strain hardened H12 temper (¼ hard) as specified in ASTM B209 and ASME SB209
| Thickness, in | Yield Strength, ksi | Tensile Strength, ksi | Elongation, % | |
|---|---|---|---|---|
| Min. | Max. | |||
| 0.017-0.019 | 15.0 min | 19.0 | 26.0 | 1 min |
| 0.020-0.031 | 15.0 min | 19.0 | 26.0 | 1 min |
| 0.032-0.050 | 15.0 min | 19.0 | 26.0 | 2 min |
| 0.051-0.080 | 15.0 min | 19.0 | 26.0 | 2 min |
- Mechanical property requirements for strain hardened H14 temper (½ hard) as specified in ASTM B209 and ASME SB209
| Thickness, in | Yield Strength, ksi | Tensile Strength, ksi | Elongation, % | |
|---|---|---|---|---|
| Min. | Max. | |||
| 0.017-0.019 | 18.0 min | 22.0 | 29.0 | 1 min |
| 0.020-0.031 | 18.0 min | 22.0 | 29.0 | 1 min |
| 0.032-0.050 | 18.0 min | 22.0 | 29.0 | 2 min |
| 0.051-0.080 | 18.0 min | 22.0 | 29.0 | 2 min |
Specification
Applications
Aluminum alloy 3105 can be used in a variety of applications, including:
- General sheet metal work
- Residential siding
- Mobile homes
- Sign making
- Rain carrying goods
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
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