Chalco Aluminum supplies 7A04 7B04 T4/T6 aluminum wire according to ASTM B211/B211M-19, EN 573-3:2013. Both 7A04 and 7B04 are mainly used to manufacture power lines and cables with high strength, high corrosion resistance and high conductivity requirements.
Why choose Chalco Aluminum 7A04 7B04 T4 T6 aluminum wire?
Quality could full meet world wide aviation standard
GB/T 3191-2010
ASTM B211/B211M-19
EN 573-3:2013
Production and management comply with international aviation quality system certification
AS9100
OHSAS 18001
ISO14001
ISO 9001
NADCAP HT
NADCAP NDT
IATP16949
Specs of 7A04 7B04 T4 T6 aluminum wire
| Alloy | 7A04 7B04 |
| Temper | T4, T6, O |
| Diameter | 0.8-12MM |
| Standard | GB/T 3191-2010, ASTM B211/B211M-19, EN 573-3:2013 |
Chemical composition of 7A04 and 7B04 aluminum wire
| 7A04 | 7B04 | |
| (Al) | 90.6-92.7% | 89.0-91.2% |
| (Mg) | 2.2-2.8% | 1.9-2.5% |
| (Zn) | 5.1-6.1% | 5.0-6.0% |
| (Cu) | 0.1-0.4% | 0.1-0.25% |
| (Cr) | - | 0.05-0.25% |
| (Mn) | - | 0.02-0.10% |
| (Ti) | - | 0.02-0.10% |
| Other | 0.05% | 0.15% |
Property of 7A04 7B04 aluminum wire
| Temper | 7A04 | 7B04 | |
| T4 | Tensile strength（MPa） | 470-520 | 470-510 |
| Yield strength（MPa） | ≥290 | ≥275 | |
| Elongation（%） | ≥13 | ≥15 | |
| Hardness（HB） | 120-140 | 110-130 | |
| T6 | Tensile strength（MPa） | 520-570 | 510-550 |
| Yield strength（MPa） | ≥490 | ≥460 | |
| Elongation（%） | ≥8 | ≥10 | |
| Hardness（HB） | 140-160 | 130-150 | |
| O | Tensile strength（MPa） | ≤235 | ≤225 |
| Yield strength（MPa） | ≤95 | ≤80 | |
| Elongation（%） | ≥25 | ≥30 | |
| Hardness（HB） | ≤60 | ≤55 |
The use of 7A04 and 7B04 aluminum wire
7A04 and 7B04 aluminum alloy wires can also be used to manufacture high-strength mechanical components, aircraft structures, and other fields.
7A04 and 7B04 aluminum wires are mainly used in aerospace communication systems. These aluminum alloy wires have good electrical conductivity and signal transmission performance, which can ensure the efficient and stable operation of communication systems.
7A04 and 7B04 aluminum alloy wires are used for manufacturing aviation wires, cables, and other products. These aluminum alloy wires have the advantages of high strength, good electrical conductivity, and strong corrosion resistance, which can effectively improve the reliability and safety of power transmission and distribution systems.
Precautions in the use of 7A04 and 7B04 aluminum wire
Welding operations need to comply with relevant codes and standards to ensure the quality and reliability of welded joints.
During use, it is necessary to avoid excessive deformation and exceeding the bearing capacity of the material to prevent problems such as cracks and failure.
During storage and transportation, it is necessary to pay attention to moisture-proof, anti-corrosion and anti-vibration, so as to avoid the influence on the performance of the material.
It is necessary to pay attention to the surface treatment and protection of the material to ensure its surface finish and anti-corrosion performance.
In use, it is necessary to pay attention to the thermal expansion coefficient of the material to avoid problems such as deformation and failure caused by thermal expansion.
What problems should be paid attention to when purchasing 7A04 and 7B04 aluminum wire
Material quality: choose a regular manufacturer to ensure that the quality of the material meets the requirements of relevant standards and specifications.
Material specifications: select the appropriate material specifications according to the specific application requirements, including diameter, length, weight and strength, etc.
Material temper: select the appropriate material state according to the specific processing and use requirements, including solution treatment, aging treatment and cold working, etc.
The price of materials: choose the right price according to the market conditions and the quotation of the manufacturer. At the same time, you need to pay attention to whether the price is reasonable, so as to avoid buying low-quality or high-priced materials.
Delivery date of materials: choose the appropriate delivery date according to the specific use requirements, to avoid delays in production or project progress due to delays in delivery dates.
