High-conductivity aluminum busbars are necessary for high-voltage transmission networks, energy storage, and effective power distribution in contemporary electrical systems. The outstanding electrical performance of the 1350 and 1370 aluminum busbars-whose conductivity can reach up to 61% IACS-stands out among them. They are perfect for applications requiring dependable mechanical strength, great thermal stability, and little power loss because of their high aluminum purity.
1050, 1060, 1070, 1100, 1350, 1370, 6060, 6082, 6101, and so on are all available from GNEE Aluminum.
Specification of GNEE Aluminum 1350 1370 electrical busbar
Tempers: H14, H16, H19
Standards compliance: ASTM B317, ASTM B236, IEC 60105, ISO 209-1/2, DIN EN 755-2, DIN EN 755-5:2008-06
Surface requirements: Smooth, burr-free, clean, oil-free, with a uniform, dense oxide layer for superior corrosion resistance.
Testing & Quality Control: Conductivity Test/Temperature Rise Test/Bending Test.
Surface treatments and processing options available:
Copper Clad Aluminum (CCA) Processing:Hot-dip, rolling, or explosive welding are methods used to apply copper cladding.
For various structural and assembly requirements, edge processing is available in right angle, rounded corner, and R-rounded corner forms.
Cutting, drilling, bending, stamping, and anodizing are all aspects of machining and fabrication that increase durability and resistance to oxidation.
Silver, tin, and nickel electroplating improves conductivity and prevents corrosion.
Protective spraying prolongs service life by adding extra surface protection.
Insulation Coating & Sleeves: For improved safety and electrical insulation, these products come in silicone rubber, PVC, epoxy resin coating, insulation paint, powder coating, and heat shrink tubing.
Packaging & Delivery
Length-based delivery: Bundled and boxed for easy handling.
Weight-based delivery: Packaged in discs, circles, or bundles for optimal transportation.
| Dimensions and tolerance | |||
| Length | Maximum 6 m | ||
| Width | 10 mm - 200mm | ||
| Width tolerance [mm] | b≤35.50 | ±0.40 | |
| 35.50 | ±0.80 | ||
| 6>100.00 | ±1.20 | ||
| Thickness | 0.15 mm - 40mm | ||
| Thickness tolerance [mm] | a≤6.30 | ±0.15 | |
| 6.30 | ±0.20 | ||
| a>12.50 | ±0.30 | ||
| Minimum Bend Radius [mm] | 1x thickness (up to 12mm) 2x thickness (>12mm) | ||
Note: In the above table,
a=thickness, i.e., narrow edge size;
b=width refers to the size of the wide edge.
1350-1370-Electrical-Aluminum-Busbar.pdf
Product analysis of GNEE 1350 1370 aluminum busbar
Power transmission and distribution systems depend heavily on aluminum busbars, and the greatest conductivity grades are 1350 and 1370 aluminum busbars. These busbars are extensively utilized in high-voltage power networks, substations, energy storage systems, and industrial applications due to their exceptional electrical efficiency, outstanding thermal conductivity, and dependable mechanical robustness. The primary distinction between them is the conductivity and purity of aluminum; 1370 offers the finest electrical performance and the highest purity (99.70%).
1350 aluminum busbar
1350 Aluminum Busbar – High Conductivity & Versatile Application
Because of its remarkable electrical conductivity (59% IACS), 1350 aluminum busbar is a popular option for high-efficiency electrical systems, transformers, and power transmission. Its high purity (99.50% aluminum content) guarantees little power loss and outstanding energy efficiency.
Areas of Application:
Transformer windings and networks for power distribution
Renewable energy sources, such as grids powered by wind and sun
High electrical efficiency is required for switchgear and busway components.
1370 aluminum busbar
1370 Aluminum Busbar – Ultra-High Conductivity for Power Transmission
One of the best aluminum alloys for high-voltage applications is 1370 aluminum busbar, which has even greater electrical conductivity (61% IACS). It is extensively utilized in substations, energy storage systems, and large-scale power transmission because of its 99.70% aluminum composition.
Areas of Application
Transmission of power using high-voltage direct current (HVDC)
Substation busbars for grid stability and energy distribution
Systems for UPS power backup and industrial energy storage
Mechanical properties of GNEE Aluminum 1350/1370 electrical aluminum busbar
When compared to other aluminum alloys, 1350 and 1370 aluminum busbars offer greater conductivity, low resistive losses, and good efficiency.
Physical Characteristics
| Parameter | 1350 | 1370 |
| Aluminum Purity (%) | 99.5 | 99.7 |
| Density (g/cm³) | 2.71 | 2.71 |
| Specific Heat (J/g·°C) | 0.92 | 0.92 |
| Melting Point (°C) | 660 | 660 |
| Coefficient of Thermal Expansion (mm/m/°C) | 2.3 × 10⁻⁵ | 2.3 × 10⁻⁵ |
Mechanical Properties
| Parameter | 1350 | 1370 |
| Tensile Strength (MPa) | 25 - 35 | 28 - 40 |
| Yield Strength (MPa) | 15 - 25 | 18-30 |
| Elongation (%) | 20-30 | 18 - 28 |
| Elastic Modulus (GPa) | 68 - 72 | 68 - 72 |
| Shear Strength (MPa) | 16 - 26 | 18 - 28 |
Electrical Properties
| Parameter | 1350 | 1370 |
| Conductivity % (IACS) | ~59 | ~61 |
| Electrical Resistivity (Ω·mm²/m) | 0.0275 | 0.0268 |
| Volume Conductivity (MS/m) | 36 | 37.2 |
Chemical composition of GNEE Aluminum 1350 1370 electrical aluminum busbar
| Element | 1350 (%) | 1370 (%) |
| Si (Silicon) | ≤ 0.10 | ≤ 0.10 |
| Fe (Iron) | ≤ 0.40 | ≤ 0.25 |
| Cu (Copper) | ≤ 0.05 | ≤ 0.04 |
| Mn (Manganese) | ≤ 0.01 | ≤ 0.01 |
| Mg (Magnesium) | ≤ 0.01 | ≤ 0.01 |
| Zn (Zinc) | ≤ 0.01 | ≤ 0.01 |
| Ti (Titanium) | ≤ 0.01 | ≤ 0.01 |
| Other (Each) | ≤ 0.03 | ≤ 0.03 |
| Other (Total) | ≤ 0.10 | ≤ 0.10 |
| Aluminum (Al) | ≥ 99.50 | ≥ 99.70 |
Manufacturing Processing and Customization capabilities
One of the top producers of high-performance aluminum busbars, GNEE Aluminum has extensive processing, modification, and production capabilities to satisfy a range of electrical and industrial applications. Our cutting-edge facilities guarantee precise machining, superior surface treatments, and cutting-edge material cladding to improve performance, dependability, and longevity.
Surface preparation for improved functionality
We provide the following surface treatments to our aluminum busbars to increase their longevity, conductivity, and resistance to corrosion:
Anodizing increases durability and resistance to oxidation.
Silver, tin, and nickel electroplating improves conductivity and prevents corrosion.
Protective spraying prolongs service life by adding extra surface protection.
Insulation Coating & Sleeves: For improved safety and electrical insulation, these products come in silicone rubber, PVC, epoxy resin coating, insulation paint, powder coating, and heat shrink tubing.
Personalization and quality control
Custom orders based on certain mechanical and electrical specifications are supported by us, including:
Custom measurements: Length up to 6m, Width 10mm to 200mm, Thickness 0.15mm to 40mm.
specialized bending and forming-made to match certain electrical configurations.
Strict testing protocols-such as bending, temperature increase, and conductivity tests-are used to ensure peak performance.
Accurate fabrication and machining
For a range of applications, we provide sophisticated machining services to achieve exact dimensions and structural integrity:
Cutting: Personalized length modifications for various applications.
Drilling: Accurately placing holes for electrical connections.
Bending: Customized shape to meet intricate assembly specifications.
For consistent busbar components, stamping is a high-efficiency mass manufacturing method.

Advantage of GNEE Aluminum 1350 1370 electrical aluminum busbar
GNEE can offer full design services, which include brazing, forming, and machining. Cutting, stamping, bending, drilling, and other processing can be done in accordance with the customers' particular needs for bending degree and current capacity.
For conductive aluminum busbars, GNEE can offer surface coating and insulation processing in accordance with client specifications to enhance product corrosion resistance, aesthetics, and prevent short circuits and other problems.
Outstanding conductivity: The 1350 aluminum alloy has conductivity that is nearly identical to that of pure aluminum.
Low density and lightweight: ideal for conductive situations requiring little weight.
Good corrosion resistance and processability: adaptable to various shapes and environments of use.
Reliability: The 1350 conductive aluminum busbar power transmission is more reliable because to its high conductivity and resistance to corrosion.
Long service life: The 1350 conductive aluminum busbar's dependability and resistance to corrosion allow it to last longer and require fewer replacements.

Application of GNEE Aluminum 1350 1370 electrical aluminum busbar
Power transmission and distribution system
Power electronic equipment and communication system
Industrial electrical equipment
Electric tools
Automotive and aerospace electrical systems
New energy such as solar energy, wind energy, and new energy vehicles

