Chalco conductive aluminum tubular bus pipe conforms to ASTM B241, ASTM B 317M-07, GB/27676-2011, GB/T 33228-2016, IS:5082, IS:2673 etc. standards. Hot selling alloy products include 1350, 1060, 1070, 3003, 3A21, 6061, 6063, 6101 and some others.
6061 aluminum alloy has advantages such as high strength and good machinability. 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.
Why choose Chalco 6061 aluminum tubular busbar
Chalco aluminum conductive bus pipes are produced by using the technology of casting hollow core billet + three roll rolling + cold stretching. The products have uniform and stable mechanical and electrical properties in both length and cross-sectional directions;
Chalco conductive aluminum tube products use independently developed rare earth and heat-resistant aluminum alloy materials, which have excellent processing, welding, conductivity, and heat resistance properties;
Chalco conductive aluminum tubes are widely used in power engineering such as transmission and transformation stations, as well as in power equipment such as transformers, and have established cooperation with many well-known enterprises.
Specification of Chalco 6061 EC aluminum tubular busbar
| Temper | T6 T651 H112 |
| Outer diameter | Φ60mm-Φ450mm |
| Wall thickness | 3mm-15mm |
| Length |
The length of a single bus pipe can reach 15 meters； deviation：+15~+25mm |
| Curvature | m/L<2.0mm |
| Size and Deviation | Click to view the [Size and Deviation Table] |
| Surface requirement | The surface is smooth and flat, without cracks, wrinkles, inclusions, deformation, or distortion. |
| Product requirement |
The finished pipeline is completely straight; High dimensional accuracy and high tensile strength; Not prone to discharge and corona. |
| Profiles can be provided |
Certificate of origin; Invoice and PL certified by Chamber of Commerce; Test certificate according to EN 10204 3.1; Other test reports that may be requested by the customer. |
Electrical property of Chalco 6061 aluminum tubular busbar
| Physical and electrical properties of 6061 aluminum bus pipe (Schedule 40 pipe) | |||||||||
| Inch | O.D. | Wall | Area | Weight LBS/FT | I.R. | DC RES | 60Hz RAC/RDC | AC RES | CURR RATING |
| 1 | 1.315 | 0.133 | 0.494 | 0.581 | 68.24 | 38.360 | 1.00032 | 43.820 | 622 |
| 1 1/4 | 1.660 | 0.140 | 0.669 | 0.786 | 62.68 | 28.340 | 1.00039 | 32.370 | 705 |
| 1 1/2 | 1.900 | 0.145 | 0.800 | 0.940 | 59.45 | 23.690 | 1.00046 | 27.070 | 900 |
| 2 | 2.375 | 0.154 | 1.075 | 1.264 | 54.15 | 17.630 | 1.00055 | 20.1401 | 1128 |
| 2 1/2 | 2.875 | 0.203 | 1.704 | 2.004 | 49.85 | 11.170 | 1.00150 | 12.710 | 1520 |
| 3 | 3.500 | 0.216 | 2.228 | 2.621 | 45.19 | 8.500 | 1.00180 | 9.725 | 1865 |
| 3 1/2 | 4.000 | 0.226 | 2.680 | 3.151 | 42.05 | 7.070 | 1.00220 | 8.091 | 2145 |
| 4 | 4.500 | 0.237 | 3.174 | 3.733 | 39.28 | 5.968 | 1.00270 | 6.834 | 2436 |
| 4 1/2 | 5.001 | 0.247 | 3.688 | 4.337 | 36.81 | 5.136 | 1.00330 | 5.885 | 2728 |
| 5 | 5.563 | 0.258 | 4.300 | 5.057 | 34.31 | 4.406 | 1.00400 | 5.051 | 3063 |
| 6 | 6.625 | 0.280 | 5.581 | 6.564 | 30.23 | 3.394 | 1.00540 | 3.897 | 3719 |
| Physical and electrical properties of 6061 aluminum bus pipe (Schedule 80 pipe) | |||||||||
| Inch | O.D. | Wall | Area | Weight LBS/FT | I.R. | DC RES | 60Hz RAC/RDC | AC RES | CURR RATING |
| 1 | 1.315 | 0.179 | 0.639 | 0.751 | 68.81 | 29.650 | 1.00075 | 33.840 | 707 |
| 1 1/4 | 1.660 | 0.191 | 0.882 | 1.037 | 63.14 | 21.490 | 1.00105 | 24.570 | 901 |
| 1 1/2 | 1.900 | 0.200 | 1.068 | 1.256 | 59.89 | 17.730 | 1.00150 | 20.280 | 1039 |
| 2 | 2.375 | 0.218 | 2.254 | 1.737 | 54.56 | 12.820 | 1.00210 | 14.670 | 1322 |
| 2 1/2 | 2.875 | 0.276 | 3.016 | 2.650 | 50.23 | 8.406 | 1.00390 | 9.647 | 1746 |
| 3 | 3.500 | 0.300 | 3.678 | 3.547 | 45.55 | 6.281 | 1.00490 | 7.225 | 2199 |
| 3 1/2 | 4.000 | 0.318 | 4.407 | 4.326 | 42.39 | 5.150 | 1.00750 | 5.935 | 2507 |
| 4 | 4.500 | 0.337 | 5.180 | 5.183 | 39.61 | 4.298 | 1.00950 | 4.965 | 2862 |
| 4 1/2 | 5.001 | 0.355 | 6.112 | 6.092 | 37.13 | 3.657 | 1.01160 | 4.236 | 3221 |
| 5 | 5.563 | 0.375 | 8.405 | 7.188 | 34.63 | 3.099 | 1.01650 | 3.604 | 3631 |
| 6 | 6.625 | 0.432 | 0.639 | 9.844 | 30.58 | 2.254 | 1.02120 | 2.656 | 4532 |
Mechanical property of Chalco 6061 aluminum conductive tubular bus pipe
| Temper | Wall thickness/mm | Room temperature Test Result | |||
| Tension Strength/MPa | Yield Strength/MPa | Elongation/% | |||
| A50mm | A | ||||
| Not less than | |||||
| O | all | 170 | 105 | 16 | 14 |
| T6 | <6.30 | 260 | 240 | 8 | - |
| >6.30 | 260 | 240 | 10 | 9 | |
Chemical component of Chalco 6061 aluminum alloy
| Element | Composition (%) |
| Si | 0.40-0.80 |
| Fe | 0.7 |
| Cu | 0.15-0.40 |
| Mn | 0.15 |
| Mg | 0.8-1.2 |
| Cr | 0.04-0.35 |
| Ni | - |
| Zn | 0.25 |
| Ga | - |
| V | - |
| Ti | 0.1 |
| Other | 0.15 |
| Min.Al | Remainder |
Advantages of Chalco 6061 electrical aluminum tubular busbar
Advantages of tubular busbar
- The tubular conductor has a larger cross-sectional area, reduces the influence of Skin effect and resistance loss, and improves the transmission efficiency;
- Reduce Corona Inception Voltage;
- Can be customized and assembled through various methods such as connection, bending, welding, etc., to adapt to different circuit layouts and topological structures.
Advantage of 6061 tubular aluminum busbar
- Structural grade conductive aluminum pipes, with high strength and sufficient strength to carry the self weight of the line and wind loads;
- Extremely sturdy but lightweight, with a material weight of only half that of copper;
- High conductivity and corrosion resistance;
- Good heat resistance, fast and uniform heat dissipation.
Cooperative field of Chalco 6061 aluminum EC tubular busbar
Tubular conductors are a new type of conductor that replaces traditional transmission conductors such as rectangular, slot shaped, strip busbar, and flexible conductors.
Chalco's 6061 aluminum seamless tubular busbar includes 400V tube busbar, 660V tube busbar, and 1kV tube busbar. 2kV tubular busbar, 6kV tubular busbar, 10kV tubular busbar, 35kV tubular busbar, 45kV tubular busbar, 72kV tubular busbar.
The products are used for conductor connection between power grid transmission lines and substation transformers in power construction projects, jumper wires in transmission lines, and connecting conductors in power equipment.
Chalco 6061 conductive aluminum tube is mainly used in the following power field:
- Aluminum alloy extruded pipes for high-frequency conductivity in power plants
- Current conductors in power construction projects;
- Connecting conductors in power equipment;
- High current DC ice melting device, etc.
More electrical aluminum products in Chalco
- EC Grade aluminum wire rod
- Conductive aluminum busbar
- Electrical aluminum tubular bus pipe
- Aluminum plate strip foil for capacitor
- Aluminum wire for electrical application
Deviation table Chalco 6061 aluminum tubular busbar
| Wall thickness deviation | ||||||||
| Nominal wall thickness | 3-5 | >5 -8 | >8-10 | >10-12 | >12-15 | >15 -20 | ||
| Ordinary level | Average & nominal wall thickness | ±0.30 | ±0.50 | ±0.70 | ±0.9 | ±1.10 | ±1.3 | |
| Any & nominal wall thickness | H14 | ±0.40 | ±0.60 | ±0.90 | ±1.10 | ±1.3 | ±1.6 | |
| T5A, T6, T10 | ±12% of the specified wall thickness, maximum value is 1.90 | |||||||
| High precision level | Average & nominal wall thickness | ±0.15 | ±0.20 | ±0.38 | ±0.50 | ±0.70 | ±1.00 | |
| Any & nominal wall thickness | H14 | ±0.2 | ±0.3 | ±0.5 | ±0.76 | ±1.00 | ±1.4 | |
| T5A, T6, T10 | ±10% of the specified wall thickness, maximum value is 1.70 | |||||||
| Outer diameter deviation | |||
| Nominal OD | Ordinary level | ||
| Average & Nominal outer diameter | Any & Nominal outer diameter | ||
| H14 | T5A, T6, T10 | ||
| 50.00-80.00 | ±0.24 | ±0.30 | ±0.45 |
| > 80.00-120.00 | ±0.35 | ±0.40 | ±0.62 |
| >120.00-150.00 | ±0.45 | ±0.50 | ±0.75 |
| >150.00-200.00 | ±0.65 | ±0.7 | ±1.00 |
| >200.00-250.00 | ±0.77 | ± | ±1.2 |
| >250.00-300.00 | ±0.96 | ±1 | ±1.5 |
| >300.00-350.00 | ±1.3 | ±1.4 | ±1.8 |
| Nominal OD | High precision level | ||
| Average & Nominal outer diameter | Any & Nominal outer diameter | ||
| H14 | T5A, T6, T10 | ||
| 50.00-80.00 | ±0.15 | ±0.15 | ±0.3 |
| > 80.00-120.00 | ±0.20 | ±0.20 | ±0.41 |
| >120.00-150.00 | ±0.25 | ±0.25 | ±0.5 |
| >150.00-200.00 | ±0.38 | ±0.38 | ±0.76 |
| >200.00-250.00 | ±0.50 | ±0.5 | ±1.00 |
| >250.00-300.00 | ±0.64 | ±0.64 | ±1.25 |
| >300.00-350.00 | ±0.9 | ±0.9 | ±1.6 |