Aluminum 6101 T6 High Electrical Conductivity Busbar Plate
6101 aluminum busbar plate is a conductor-grade aluminum product widely used for electrical busbars in power transmission and distribution systems. The 6101 alloy belongs to the Al-Mg-Si series and has an electrical conductivity of about 54–57% IACS, with higher strength than commercially pure conductive aluminum such as 1350. 6101-T6 is commonly used for rigid aluminum busbar plates, while 6101B-T6 provides a higher-strength option for demanding applications. Typical uses include outdoor high-voltage and extra-high-voltage substations, long-span busbars, and rigid busbar structures.
Chemical Composition of Aluminum 6101 T6
Element | Composition % |
Magnesium (Mg) | 0.90% - 1.20% |
Silicon (Si) | 0.60% - 1.20% |
Iron (Fe) | ≤ 0.70% |
Copper (Cu) | ≤ 0.10% |
Manganese (Mn) | 0.20% - 0.60% |
Chromium (Cr) | ≤ 0.10% |
Zinc (Zn) | ≤ 0.20% |
Titanium (Ti) | ≤ 0.10% |
Aluminum (Al) | Balance (Rest) |
Mechanical Properties of Aluminum 6101 T6
Property | Value |
Tensile Strength | 205 MPa (minimum) |
Yield Strength | 130 MPa (minimum) |
Elongation (50 mm) | 18% (minimum) |
Brinell Hardness | 60 - 70 HB |
Modulus of Elasticity | 68.9 GPa |
Typical Sizes of Aluminum Alloy 6101 T6/6101B plate
Size | Range |
Thickness | 3 mm --100 mm (custom thicknesses available) |
Width | 100 mm --1500 mm (custom widths available) |
Length | 1000 mm -- 6000 mm (standard lengths; custom lengths available) |
Ampacity (Current-Carrying Capacity)
The current-carrying capacity of a 6101 aluminum busbar plate depends mainly on its cross-sectional area, allowable operating temperature, installation arrangement, and heat dissipation conditions. With an electrical conductivity of approximately 54–57% IACS, 6101-T6 is suitable for many high-current busbar applications.
For higher current requirements, the width and thickness of the 6101 aluminum busbar plate can be increased to provide the required cross-sectional area. The final busbar dimensions should be selected based on the rated current, temperature rise, installation conditions, and applicable electrical standards. For long-span outdoor busbars, 6101-T6 or 6101B-T6 can be selected according to the required strength and structural dimensions.
Applications of 6101 Busbars
6101 aluminum busbar plates and processed busbars are used in a wide range of high-current electrical applications, including:
High-voltage and extra-high-voltage substations – rigid outdoor busbars, substation busbar systems, and long-span busbar structures
Switchgear and power distribution equipment – switchgear busbars, switchboard busbars, and electrical distribution assemblies
Solar and wind power systems – inverter busbars, DC collection systems, and renewable energy power distribution
Battery energy storage systems (BESS) – battery connection busbars, DC busbars, and energy storage power distribution
EV and new energy equipment – battery pack busbars, power distribution units (PDU), and high-current electrical connections
Rail transit electrical systems – traction power distribution and high-current electrical connections
Industrial power distribution – large-current busbar systems, electrical cabinets, and industrial distribution equipment
For customers who need more than standard 6101 aluminum busbar plate, we can also provide cutting, bending, drilling, punching, and other busbar processing services according to the required design. Tin-plated aluminum busbars are also available to improve the electrical contact performance of the connection surfaces.
