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Seamless Aluminum Tubular Busbar 6063, 6101, 6061¹

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Product Description Seamless Aluminum Tubular Busbar 6063, 6101, 6061Seamless aluminum tubular busbar refers to a seamless aluminum tube that is made of pure aluminum or aluminum alloy and processed into a hollow along its length. The size of the seamless tube is more uniform, and the performance is better than the seam tube, so the seamless aluminum alloy bus compared with ordinary aluminum alloy busbar tubes, the tube has better mechanical and electrical properties.The commonly used alloys for seamless aluminum tubular busbars are 6063, 6061 and 6101. 6063 alloy is widely used in outdoor high-voltage substation bus bars with its excellent mechanical and electrical properties. Where high strength and low conductivity are required, 6061 aluminum alloy busbar tubes are used. In the case of requiring high electrical conductivity and minimal loss of mechanical properties, 6101 alloy is used.Specs:1. Executive standard: GB/T27676-2011 seamless aluminum tubular busbar2. Alloy: 6063, 6101, 60613. Temper: T64. The product has a hollow tube structure, with a glossy surface, beautiful appearance and uniform size.5. Outer diameter: φ60mm to φ450mm;6. Wall thickness: from 3mm to 15mm,7. Length: Maximum 15 metersFeatures of seamless aluminum tubular busbar:1. Good shielding effect and strong anti-interference;2. Better mechanical strength;3. Low loss, large capacity and bandwidth;4. Not crack or be damaged easily.The Chemical composition and Mechanical properties of seamless aluminum tubular busbarAlloyChemical component(%)SiFeCuMnMgCrZnBTiNiOtherAlEachTotal 6063(6063G)0.2-0.6≤0.35≤0.1≤0.10.45-0.9≤0.10----≤0.05≤0.15Remain61010.30-0.7≤0.50≤0.10≤0.030.35-0.8≤0.03≤0.10≤0.06--≤0.03≤0.10Remain Property / Alloy61016063TemperT6T6Density(g/cm3)(20oC)2.732.75Melting point oC616-665630-650Tensile Strength MPa≥210≥205Yield strength MPa≥185≥175Elongation %≥8≥8Thermal conductivity,(K /oC x cm x s)0.50.5Electrical Conductivity IACS%525220oC Temperature coefficient of electrical resistanceI/oC0.00320.004120oC Electrical Resistivity β,Ω.m/m0.0310.034Poisson's Coefficient μ0.310.315The external diameter allowable deviation and wall thickness allowable deviation of seamless aluminum tubular busbarThe external diameter allowable deviation (unit: mm)Nominal external diameter >50~75 >75~120 >120~150 >150~200 >200~250 Normal level ± 0.23 0.30 0.40 0.60 0.80 High Precision level ± 0.15 0. 20 0.30 0.50 0.70 The Wall thickness allowable deviation (unit: mm)Nominal Wall Thickness>3.0~4.0>4.0~5.0>5.0~8.0>8.0~10>10~15Average wall thickness andNominal Wall Thickness ±Normal level0.300.400.500.700.80High Precision level0.150.150.200.300.40Any wall Thickness andNominal Wall Thickness ±Normal level0.400.500.600.801.00High Precision level0.200.200.300.400.50Application of seamless aluminum tubular busbar:Seamless aluminum tubular busbar is mainly used as overcurrent conductor in power construction projects, such as conductor connection between power grid transmission conductor and transformer substation, jumper in transmission line, connection conductor in power equipment and high current DC ice melting device,It is a new conductor to replace the traditional rectangular, groove, bar-shaped bus and soft conductor. It is one of the key equipment (materials) in power transmission and transformation system, and plays a vital role in the safe and reliable operation of power transmission and transformation system and power equipment.Common tubular busbar, Liner tube & sealing ball size or sealing cover size.Main Bus Pipe TubeLiner Bus Pipe TubeSealing ball orSealing coverOD(mm)Wall Thickness(mm)OD(mm)Wall Thickness(mm)OD(mm)8047137090579479100589589110599599120510951091307115711515071357135150101291012917071557155170101491014920010179101792501022910229

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