EC Aluminum Tubular Busbar Supplier

Chalco is a leading manufacturer of tubular aluminum busbars, offering high-conductivity and corrosion-resistant solutions made from alloys such as 6061, 6063, 6101, 1350, 1370, 1060, and 1070. Our seamless aluminum bus tubes feature smooth surfaces, uniform cross-sections, and no visible defects such as cracks or twists, ensuring excellent performance in both indoor and outdoor power systems.

Compared to flat or solid busbars, Chalco's tubular design provides a larger conductive cross-section, higher strength-to-weight ratio, and easier installation, making it ideal for substations, switchgear, and high-voltage applications. We support custom lengths, precision fabrication, and advanced surface treatments such as anodizing, tin plating, and nickel plating.Welcome contact

Chalco Aluminum hot selling aluminum bus pipe tube product
Essential fittings & accessories for tubular aluminum busbar systems
Production capacity of Chalco Aluminum EC tubular buspipe
Customization & Processing capabilities of Chalco aluminum EC tubular buspipe
Why bus conductor in tubular shape be recommended
Chalco conductive aluminum bus pipe tube cooperative industries
Technical Specification of Chalco conductive aluminum bus pipe tube
Size reference table of Chalco conductive aluminum bus pipe tube

Chalco Aluminum hot selling aluminum bus pipe tube product

6101 electrical tubular aluminum bus bar Quick Quote
It is a high-strength conductive material with 55% IACS, good corrosion resistance and weldability. It plays an important role in the safe transmission of power transmission and transformation systems.

High strength Conductivity 55% IACS guarantee
1350 1370 electrical tubular aluminum bus pipe Quick Quote
Alloy 1350 H111 exhibits the highest conductivity among all extruded aluminum conductors, reaching or exceeding 61.0% IACS. Widely used as a connecting conductor and overcurrent conductor in transmission and transformation network systems.

Highest conductivity Exceeding 61.0% IACS
1060 1070 EC aluminum bus tube pipe Quick Quote
1060 1070 alloy has good conductivity, low temperature rise, and low loss. It is a new type of conductor that replaces traditional rectangular groove and strip busbar, and is one of the key equipment in transmission and transformation systems.

Low temperature rise Low loss
6061 structural+conductive aluminum bus tube pipe Quick Quote
Chalco 6061 seamless tubular conductor has small Skin effect coefficient, uniform current distribution, and current density up to 1.4A/mm2, which is commonly used in power transmission systems with high strength requirements.

High strength Good machinability
6063 structural+conductive aluminum bus tube pipe Quick Quote
6063-T6 aluminum magnesium seamless busbar tube is the leading product of Chalco aluminum tubular electrical conductors. It can operate safely in 150 ℃ -200 ℃, and the tensile strength at 250 ℃ can be maintained over 88% of that at room temperature.

Leading product High heat resistance

Sch 40 aluminum tubular bus pipe

Offer a standard wall thickness with excellent balance of strength, conductivity, and weight. Ideal for high-load or long-span installations, especially in heavy-duty industrial environments.
Sch 80 aluminum tubular bus pipe

Feature thicker walls, delivering higher mechanical strength and pressure resistance. Used in high-reliability environments such as substations, transformers, and high-current distribution.
Aluminum seamless tubular buspipe

Manufactured without welds, ensuring uniform conductivity and superior mechanical strength. Used in high-reliability environments such as substations, transformers, and high-current distribution.
Aluminum extruded tubular buspipe

Shaped through continuous extrusion, offering excellent formability and dimensional consistency. Suitable for customized projects with complex shapes or large batch production.
Copper claded aluminum tubular buspipe

Combining the conductivity of copper and the light weight of aluminum, these pipes feature a metallurgically bonded copper outer layer.
Tin plated aluminum tubular buspipe

Provide strong corrosion resistance and improved contact performance, especially in humid or harsh environments.

Essential fittings & accessories for tubular aluminum busbar systems

In addition to Chalco's high-performance tubular aluminum busbars, we also supply a full range of metal-based connection fittings and accessories to ensure secure, efficient, and reliable electrical installations. These components are designed to meet the needs of power substations, switchgear assemblies, and custom busbar layouts. Quick Quote

Busbar Tube Connectors

For connecting multiple aluminum or copper busbars seamlessly.

Terminal Lugs

Used to connect cables to busbars securely and efficiently.

Support Clamps & Brackets

Provide stable mechanical support during busbar installation.

Flexible Expansion Joints

Absorb thermal movement and prevent stress on connections.

Grounding Straps

Ensure proper system grounding with corrosion-resistant options.

Transition Adapters & End Caps

For safe ends and smooth transitions between conductor types.

Production capacity of Chalco Aluminum EC tubular buspipe

Chalco manufactures conductive aluminum bus pipes using advanced processes such as hollow billet casting, three-roll rolling, and cold drawing. These techniques ensure a straight tube body, smooth surfaces, and uniform mechanical and electrical properties along the full length and cross section.

With our extensive production capacity, we are equipped to handle large-scale projects and deliver precise, high-quality buspipes that meet your specifications. Get in touch to explore how we can support your next project with our advanced production capabilities.Quick Quote

Production Standards: ASTM B241, ASTM B317M-07, GB/T 27676-2011, GB/T 33228-2016, IS:5082, IS:2673, and more
Outer Diameter Range: 10mm – 250mm, more large size can contact to inquiry
Wall Thickness: 1mm – 40mm
Length: Up to 12 meters
Tolerance Control: Strict compliance with dimensional and roundness tolerances per international standards
Material Grades: 6061, 6063, 6101, 1350, 1370, 1060, 1070, and proprietary heat-resistant/rare earth alloys

Chalco has successfully established long-term partnerships with many well-known companies in the power transmission, transformer, and switchgear industries, ensuring the highest quality and reliability of our products. Our products are widely used in power systems, transmission stations, and high-performance electrical equipment. Trusted by many leading industry partners.

Production capacity of Chalco Aluminum EC tubular buspipe

Customization & Processing capabilities of Chalco aluminum EC tubular buspipe

At Chalco, we offer a full range of customization and precision processing services for aluminum EC tubular buspipes—including cutting, bending, punching, surface treatment, and assembly support. These capabilities ensure our products align perfectly with your installation needs and technical specifications.

Whether you're designing for high-voltage substations, switchgear, or compact layouts, our engineering and production teams are ready to support your project from concept to completion.Quick Quote

Cutting, Drilling & Machining of tubular busbar

Precision CNC cutting and drilling allow for custom lengths, connection holes, and mounting slots according to your specifications. High dimensional accuracy and clean edges ensure smooth on-site assembly.

Bending & Forming of tubular busbar

Tubular busbars made of 6061-T6 and 6063-T6 alloys can be bent using industry-standard methods, with recommended inner bending radii of 5–7 times the nominal pipe size for Sch 40/80 pipes.

Key considerations in bending include:

Ductility (high elongation & low yield-to-tensile ratio)
Wall thickness to diameter ratio
Equipment and method used
Use of seamless pipe (ASTM B241)

Welding & Connector Assembly of tubular busbar

Chalco offers expert welding services for tubular aluminum bus conductors, following industry standards (Aluminum Association, Section 7.2.4).

Key specifications:

Processes: MIG (GMAW) & TIG (GTAW)
Shielding Gas: Argon or Argon/Helium mix
Filler Material: 4043 alloy
Joint Prep: Solvent cleaning + wire brushing
Temperature Control: Below 250°F (121°C) to remove moisture
Alignment: Tack welding to prevent distortion

Surface Treatment of tubular busbar

To enhance corrosion resistance and insulation, Chalco offers:

Tin plating / Nickel plating
Anodizing (protective oxide coating)
Heat-shrinkable or insulation sleeves
Copper cladding for hybrid conductivity needs

Aluminum tubular busbar bending

Aluminum tubular busbar welding

Tin plated tubular busbar

Why bus conductor in tubular shape be recommended

Low Skin effect coefficient, uniform current density distribution, small power loss of bus;
High mechanical strength and small deflection, which can save the support point of the bus pipe;
Good heat dissipation conditions and low temperature rise;
The entire length of the busbar surface is equipped with a grounding screen, and the outer surface can be directly touched, ensuring good safety.

Chalco conductive aluminum bus pipe tube cooperative industries

Power Engineering: Used for conductors and connectors in power transmission lines and substations.
Electronics Industry: Employed in electronic devices for conductive components and heat sinks.
Construction Sector: Utilized in building grounding systems and electrical wiring.
Transportation: Applied in electrical systems of vehicles such as cars, trains, and aircraft.
Industrial Production: Utilized for electrical conduction and grounding in various industrial equipment and machinery.

application

Technical Specification of Chalco conductive aluminum bus pipe tube

Conductive property of Chalco conductive bus pipe products

Alloy Grade	Typical Conductivity (% IACS)	Notes
1350 / 1370	61–64%	High-purity EC-grade aluminum
1060 / 1070	60–63%	Excellent conductivity and corrosion resistance
6101 / 6063	54–58%	Enhanced strength while maintaining good conductivity
Custom Alloys	Adjustable	Balanced electrical and mechanical performance

Mechanical property of Chalco cocnductive bus pipe products

Alloy	Temper	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Conductivity (% IACS)
1350	O	90–110	35–55	≥ 25	61–64
1350	H111	110–130	60–85	≥ 15	60–62
1060	O	70–100	25–35	≥ 30	59–61
1070	O	75–95	20–30	≥ 30	60–63
1370	H12/H111	100–135	50–75	≥ 15	61–63
6101	T6	≥ 260	≥ 240	≥ 10	54–56
6063	T6	≥ 205	≥ 180	≥ 8	≥ 53
6061	T6	≥ 260	≥ 240	≥ 8	43–50

Deflection Values of Schedule 40 Aluminum Pipe

(Simple Beam, Uniform Load — Maximum Deflection in Inches)

Pipe Size (in)	10 ft	15 ft	20 ft	25 ft	30 ft	35 ft	40 ft	45 ft	50 ft
1	0.16	0.81	2.56
1 1/4	0.10	0.49	1.54	3.77
1 1/2	0.07	0.36	1.15	2.82
2	0.04	0.23	0.72	1.76	3.65	6.76
2 1/2	0.03	0.16	0.49	1.21	2.50	4.64	7.92
3	0.02	0.10	0.33	0.80	1.66	3.08	5.25	8.40
3 1/2	0.01	0.08	0.25	0.60	1.25	2.32	3.97	6.36	9.69
4	0.01	0.06	0.19	0.47	0.98	1.82	3.11	4.98	7.58
5	0.01	0.04	0.12	0.31	0.63	1.17	2.01	3.21	4.89
6	0.01	0.03	0.09	0.21	0.44	0.82	1.40	2.25	3.43

Deflection Values of Schedule 80 Aluminum Pipe

(Simple Beam, Uniform Load — Maximum Deflection in Inches)

Pipe Size (in)	10 ft	15 ft	20 ft	25 ft	30 ft	35 ft	40 ft	45 ft	50 ft
1	0.15	0.76	2.39
1 1/4	0.09	0.46	1.45	3.55
1 1/2	0.07	0.35	1.09	2.67
2	0.04	0.21	0.68	1.65	3.46
2 1/2	0.03	0.15	0.47	1.15	2.38	4.22
3	0.02	0.10	0.31	0.76	1.58	2.93	5.00
3 1/2	0.02	0.08	0.24	0.58	1.20	2.21	3.78	6.07
4	0.01	0.06	0.19	0.45	0.94	1.74	2.96	4.76	7.26
5	0.01	0.04	0.12	0.29	0.61	1.12	1.91	3.08	4.69
6	0.01	0.03	0.08	0.20	0.42	0.79	1.34	2.15	3.28

Size reference table of Chalco conductive aluminum bus pipe tube

Size table reference table
SCH 40 Nominal size (in.)	Outside diameter of tube (in.)	Wall Thickness (in.)	Area (sq. in.)	Weight (lb/ft)
1 inch aluminum tube pipe	1.315	0.133	0.4939	0.581
1.25 inch aluminum tube pipe	1.66	0.14	0.6685	0.786
1.5 inch aluminum tube pipe	1.9	0.145	0.7995	0.94
2 inch aluminum tube pipe	2.375	0.154	1.075	1.264
2.5 inch aluminum tube pipe	2.875	0.203	1.704	2.004
3 inch aluminum tube pipe	3.5	0.216	2.228	2.621
3.5 inch aluminum tube pipe	4	0.226	2.68	3.151
4 inch aluminum tube pipe	4.5	0.237	3.174	3.733
5 inch aluminum tube pipe	5.563	0.258	4.3	5.057
6 inch aluminum tube pipe	6.625	0.28	5.581	6.564
8 inch aluminum tube pipe	8.625	0.322	8.399	9.879
SCH 80 Nominal size (in.)	Outside diameter of tube (in.)	Wall Thickness (in.)	Area (sq. in.)	Weight (lb/ft)
1 inch aluminum tube pipe	1.315	0.179	0.6388	0.751
1.25 inch aluminum tube pipe	1.66	0.191	0.8815	1.037
1.5 inch aluminum tube pipe	1.9	0.2	1.068	1.256
2 inch aluminum tube pipe	2.375	0.218	1.477	1.737
2.5 inch aluminum tube pipe	2.875	0.276	2.254	2.65
3 inch aluminum tube pipe	3.5	0.3	3.016	3.547
3.5 inch aluminum tube pipe	4	0.318	3.678	4.326
4 inch aluminum tube pipe	4.5	0.337	4.407	5.183
5 inch aluminum tube pipe	5.563	0.375	6.112	7.188
6 inch aluminum tube pipe	6.625	0.432	8.405	9.884
8 inch aluminum tube pipe	8.625	0.5	12.763	15.009

Chalco can provide you the most comprehensive inventory of aluminum products and can also supply you customized products. Precise quotation will be provided within 24 hours.

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