6101B Aluminum tubular Bus Bar

With the rapid development of worldwide manufacturing technology, new technologies, new materials, new processes and new products for the protection of power equipment and facilities have emerged one after another. The protection of wires and cables for remote transmission of high-voltage power enables power equipment to use high strength and high conductivity. The demand for aluminum alloy thick-walled pipe conductors is increasing. When high-strength and high-conductivity aluminum alloy thick-walled pipes are used in the protection of power facilities, they must have high strength, good plasticity, high specific strength, light weight, high conductivity, High thermal conductivity, good corrosion resistance, no tendency to stress corrosion cracking, strong resistance to intergranular corrosion, good welding performance, constant corrosion resistance of the welding zone, good machinability, etc., and has good process performance, suitable for cutting , Bending, suitable for various forms of surface oxidation and corrosion protection treatment, and maintain good performance in atmospheric acid-base, high cold, high heat, humidity, drought, sand and other environments.

6101B Aluminum tubular Bus Bar

High dimensional accuracy

It has strong conductivity and large bearing capacity

Chalco Aluminum develop new alloy 6101B, and widely used for aluminum tubular Bus Bar, 6101B Aluminum tubular Bus Bar is one of the leading products of our company and one of the key equipments (materials) in power transmission and transformation system. It plays a vital role in the safe and reliable operation of power transmission and transformation system and power equipment.

6101B aluminum tubular bus bar is a hollow conductor with small skin effect coefficient and is conducive to increasing the corona starting voltage. Outdoor distribution devices use tubular conductors, which have the advantages of small floor area, concise structure and clear layout,etc.

Secs:

1) Implementation standard: GB/T27676-2011 aluminum and aluminum alloy bus tube pipe conductor or ASTM B 317M-07

2) Product Alloy: 6101B

3) Product Temper: T7, T6

4) The product is hollow tubular structure with glossy surface, beautiful appearance and uniform size.

5)The outer diameter is from 60mm to 450mm.

6)The Wall thickness from 3mm to 15mm.

7) The length of a single bus tube pipe conductor can reach up to 15 meters.

Chemical composition and Mechanical properties of 6101B aluminum tubular bus bar

Alloy

Chemical component(%)

Si

Fe

Cu

Mn

Mg

Cr

Zn

B

Ti

Zr

Other

Al

Each

Total

 

6101B

0.30-0.7

≤0.50

≤0.10

≤0.03

0.35-0.8

≤0.03

≤0.10

0.06

-

≤0.03

≤0.10

Remain

Property / Alloy

6101B

Temper

T6

O

Density(g/cm³)(20℃)

2.73

Melting point  ℃

616-665

Tensile Strength MPa

≥210

≤130

Yield strength MPa

≥185

≤110

Elongation %

≥8

≥20

Thermal conductivity,

(K /℃ x cm x s)

0.5

Electrical Conductivity IACS%

52

52

20℃ Temperature coefficient of electrical  resistance

I/℃

0.0032

20℃ Electrical Resistivity

β,Ω.m㎡/m

0.031

0.031

Poisson's Coefficient μ

0.31

The 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

Wall thickness allowable deviation (unit: mm)

Nominal Wall Thickness

>3.0~4.0

>4.0~5.0

>5.0~8.0

>8.0~10

>10~15

Average wall thickness and

Nominal Wall Thickness  ±

Normal level

0.30

0.40

0.50

0.70

0.80

High Precision level

0.15

0.15

0.20

0.30

0.40

Any wall Thickness and

Nominal Wall Thickness  ±

Normal level

0.40

0.50

0.60

0.80

1.00

High Precision level

0.20

0.20

0.30

0.40

0.50

Main performance of 6101B aluminum tubular bus bar as follows:

1)  Smooth surface, high dimensional accuracy, high tensile strength, not easy to discharge and deformation, low power loss, equivalent to 40% of rectangular bus and cable;

2)  Excellent machining, welding, conducting and heat resistance. The products were certified by the science and technology department and reached the international advanced level.

3)  Good convection heat dissipation condition is , the temperature rise is low, the loss is small, the electrical conductivity is strong, the carrying capacity is big.

4)  Corrosion resistance is strong,and it is not easy to ice coating, the ability to resist disasters is strong, and the service life is long.

5)  Easy installation, beautiful appearance, safe, stable and reliable operation, convenient for maintenance.

Application of 6101B Aluminum tubular Bus Bar:

6101B Aluminum tubular Bus Bar 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.

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