1050 1060 1070 1100 3004 aluminum and aluminum alloy strips have the advantages of light weight, good electrical conductivity, good thermal conductivity, good mechanical properties and good corrosion resistance. These advantages make these alloys widely used as materials for manufacturing capacitor shells electronic products, communication equipment, automotive electronics, energy fields and industrial applications etc. fields.
Why choose Chalco aluminum alloy and strips for capacitor crust
Quality could full meet world wide aluminum alloy and strips for capacitor crust standard.
GB, EN, ASTM, BS, AMS etc. standard.Quick Quote
Production and management comply with Aluminium and aluminum alloy strip for capacitor shell quality system, to make sure it has good electrical conductivity, thermal conductivity, good mechanical properties, corrosion resistance, and high strength etc.
The Specs of Aluminium and aluminum alloy strip for capacitor shell
| Alloy | Temper | Specs | ||
| Thickness | Width | Inner ID | ||
| 1050, 1060, 1070 | O | 0.26-0.50 | 300.0-600.0 | 150, 200, 300 |
| 1100 | H12, H22, H14, H24, O | 0.26-0.50 | 300.0-600.0 | 150, 200, 300 |
| 3004 | O | 0.26-0.50 | 300.0-600.0 | 150, 200, 300 |
| Strip thickness tolerance | +0.02 mm /0 mm | |||
| Width Tolerance (Normal Grade) | ±1.0mm | |||
| Width Tolerance (High Precision) | ±0.5mm | |||
The chemical composition of aluminum and aluminum alloy strips used for capacitor case
| Element | Composition (%) | |||||
| 1050 | 1060 | 1070 | 1100 | 3004 | ||
| Si | 0.25 | 0.25 | 0.2 | Si+ Fe 0.95 | 0.3 | |
| Fe | 0.4 | 0.35 | 0.25 | 0.7 | ||
| Cu | 0.05 | 0.05 | 0.04 | 0.05-0.2 | 0.25 | |
| Mn | 0.05 | 0.03 | 0.03 | 0.05 | 1-1.5 | |
| Mg | 0.05 | 0.03 | 0.03 | － | 0.8-1.3 | |
| Cr | - | - | - | － | － | |
| Ni | - | - | - | － | － | |
| Zn | 0.05 | 0.05 | 0.04 | 0.1 | 0.25 | |
| V | 0.05 | 0.05 | 0.05 | － | － | |
| Ti | 0.03 | 0.03 | 0.03 | － | － | |
| Zr | - | - | - | － | － | |
| Other | single | 0.03 | 0.03 | 0.03 | 0.05 | 0.05 |
| total | - | - | - | 0.15 | 0.15 | |
| AL | 99.5 | 99.6 | 99.7 | 99 | Remainder | |
The mechanical properties of Aluminium and aluminum alloy strip for capacitor shell
| Alloy | Temper | Thickness/mm | Tensile Strength /(N/mm2) | Elongation /% |
| 1050, 1060, 1070 | O | 0.26-0.50 | 70-90 | ≥25 |
| 1100 | O | 0.26-0.50 | 70-100 | 25 |
| H12, H22 | 0.26-0.50 | 100-120 | 5.0 | |
| H14, H24 | 0.26-0.50 | 120-145 | 2.0 | |
| 3004 | O | 0.26-0.50 | 175-200 | 15 |
The ear rate of aluminium strip for capacitor shell
| Alloy | Temper | Ear rate/% | |
| Ordinary | High precision | ||
| 1050, 1060, 1070 | O | 6.0 | 5.0 |
| 1100 | O | 6.0 | 5.0 |
| H12, H22 | 6.0 | 5.0 | |
| H14, H24 | 5.0 | 3.0 | |
| 3004 | O | 5.0 | 3.0 |
Characteristics of aluminum strip for capacitor shell
Lightweight: Aluminum and aluminum alloy strips have a lower density, so the weight of the capacitor case can be significantly reduced. This is very beneficial for electronic devices and applications that require a lightweight design, such as mobile devices, aerospace devices, and more.
Good conductivity: Aluminum is a good conductive metal with low electrical resistance and good conductivity. Therefore, the use of aluminum and aluminum alloy strips to make capacitor shells can provide good current transmission and connection performance, which is beneficial to the performance of capacitors.
Good thermal conductivity: Aluminum and aluminum alloy strips have good thermal conductivity, which can effectively transfer and dissipate heat. This is very important for some capacitors in high power or high temperature environment, which can help reduce the temperature and improve the stability and life of the device.
Good mechanical properties: Aluminum and aluminum alloy strips have high strength and rigidity, which can provide good structural support and deformation resistance. This is critical to the stability and durability of the capacitor case, protecting the internal components from the external environment and physical damage.
Corrosion resistance: Aluminum and aluminum alloy strips have good corrosion resistance and can resist oxidation, acid and alkali and other environmental erosion. This makes the capacitor casing made of aluminum and aluminum alloy strips maintain a long service life in various working environments.
High strength: Aluminum and aluminum alloy strips have relatively high strength and can withstand certain physical and mechanical stresses. This allows the capacitor case to maintain stability and structural integrity under varying operating conditions.
Convenient processing and forming: aluminum and aluminum alloy strips are easy to process and form, and can be produced by calendering, shearing, stamping and other methods. This makes the production process of capacitor housings more flexible and efficient, able to meet the needs of different shapes and sizes.Quick Quote
Reliable connection: Aluminum and aluminum alloy strips can be reliably connected to other materials or components by welding, riveting, etc. This helps ensure a good connection and electrical conductivity between the capacitor case and the internal components.
Good appearance and surface treatment performance: Aluminum and aluminum alloy strips can be decorated and protected by anodizing, spraying, coating and other surface treatment methods. This not only provides an aesthetically pleasing case, but also increases the durability and oxidation resistance of the capacitor.
The application of aluminum strips used for capacitor case
Electronic products: Aluminum and aluminum alloy strips are used to make capacitor shells and are widely used in various electronic products. For example, electrolytic capacitors and solid electrolytic capacitors in consumer electronics products such as mobile phones, tablet computers, notebook computers, and televisions often use aluminum and aluminum alloy strips as casing materials.
Communication equipment: In the field of communication equipment, such as base stations, communication terminals, etc., the capacitor shell is made of aluminum and aluminum alloy strips to provide a lightweight, high-strength shell structure, and at the same time have good electrical conductivity and thermal conductivity to ensure the stability of the equipment and efficient operation.
Automotive electronics: With the development of automotive electronics technology, capacitors are more and more widely used in automobiles. Aluminum and aluminum alloy strips are used to make capacitor casings, which can meet the requirements of lightweight, high strength and corrosion resistance for automotive electronic products, such as automotive battery management systems, power electronic modules, etc.
Energy field: In the energy field, aluminum and aluminum alloy strips are widely used in the manufacture of casings for power capacitors and energy storage devices. These devices need to have efficient current transmission and heat dissipation capabilities, and have high requirements for structural stability and corrosion resistance.
Industrial application: Capacitor shells made of aluminum and aluminum alloy strips are also suitable for various electrical equipment, motors, frequency converters, etc. in the industrial field. Its excellent conductivity and heat dissipation performance enable it to meet the requirements of industrial equipment for capacitors in high-power and high-temperature environments.
