Copper Busbar Manufacturers and Suppliers
Shree Metal Industries is a leading Copper BusBar Manufacturers & Suppliers in Kolkata, West Bengal, Odisha, Jharkhand, India
Copper bus bar is a major species in copper processing. The copper bus bar has high mechanical properties, good electrical conductivity, thermal conductivity, excellent corrosion resistance, electroplating, brazing, beautiful metallic luster and good forming and processing properties, so it is made of various kinds. Power transmission and transformation, electrical equipment, etc. have been widely used in the power field. In recent years, with the sustained and rapid development of the national economy, the production and consumption of copper bus bar in China has also increased substantially, and the quality requirement for copper bus bar has also been continuously improved.
The copper bus bar or copper bar is an indispensable conductive material for manufacturing & supplier of motor windings; high and low voltage electrical appliances, switch contacts, and wires for power distribution and installation.
Copper Busbar Specifications
- Grade: C1020, C1100, etc.
- Normal Sizes:3mm*25mm*50m, 3mm*25mm*15m, 6mm*50mm*50m (or customized as your needs)
- Width: 5 mm – 250 mm or custom
- Thickness: 1 mm -70 mm or custom
- Cross section up to 7500 mm2
- Length: up to 9500 mm (depending the cross section), with a standard length tolerance of 100 mm Upon demand this length tolerance could be 3 mm. Standard tolerances for straightness and edgewise bow: 1.5 mm/m
- Material: Cu-OF / Cu-ETP
- Cu content: min. 99.90%
- Shape: trapezoidal bus bar (soft), trapezoidal bus bar TTY( hardness), shaped bus bar (soft), shaped bus bar YTY (hardness), etc.
- Temper: Semi-hard
Feature
- Reduces System Cost
- Improves Reliability
- Increases Capacities
- Low Contact Resistance
- Eliminates Wiring Errors
- Provides Lower Inductance
- Provides Lower Impedance
- Provides Denser Packaging
- Provides Wide Variety of Interconnection Methods
- Improves Thermal Characteristics
Main Equipment
- Melting Furnace
- Hot Rolling Mill
- Milling Line
- 4 High /6 High Reversing Cold Rolling Mill
- 12 High /20 High Finish Rolling Mill
- Pickling Line
- Degreasing Line
- Annealing Facility
- Tension Leveler Line
- 10 Punching
Application
- Earth ground
- Power distribution
- Power conversion
- Telecommunication
- Energy management
- Power supply
- Medical
- Transportation
- Automotive industries
Technical Information
Chemical Composition and Oxygen Content:
(Chemical Composition %, the content of microelement is less than or equal to)
Cu+Ag
| P | Bi | Sb | As | Fe | Ni | Pb | Sn | S | Zn | O | |
| ≥99.97 | 0.0001 | 0.001 | 0.002 | 0.002 | 0.005 | 0.002 | 0.003 | 0.002 | 0.002 | 0.002 | 0.001 |
Resistivity of Copper Bus Bar (Shaped Copper Bus Bar):
| DC Resistivity ( Ω. Mm 2 / m) | Conductivity (% IACS) | |
| TTRYTR | ≤ 0.017241 | ≤100 |
| TTYYTY | ≤ 0.01777 | ≤97 |
The surface hardness of Trapezoidal bus bar shall be HB80—105, less than 206MPa, and elongation shall not below 35%.
Size Scope: T ≤ 24, H ≤ 150, H / t ≤ 50
Size Tolerance (Unit: mm) of Copper Bus Bar / Earth Copper Strip
| Height | Height Tolerance | Sole Edge | Sole Edge Tolerance |
| H≤ 10.0 | -0.10 | T≤ 3.00 | -0.04 |
| 10.0 < H ≤ 18.0 | -0.20 | 3.00< H ≤ 6.00 | -0.05 |
| 18.0 | -0.30 | 6.00 < H ≤ 10.00 | -0.06 |
| 30.0 | -0.60 | 10.00 < H ≤ 18.00 | -0.07 |
| 50.0 | -0.80 | 18.00 < H≤ 24.00 | -0.08 |
| 80.0 | -1.00 |
Including angel of trapezoidal bus bar shall be produced according to the sample. The spacing between the two sides shall be same with the sample and below or equal to the size of feeler gauge in the form.
| Height (mm) | Feeler Gauge (mm) |
| H≤ 30.00 | 0.03 x 3 |
| 30.00 | 0.05 x 7 |
| 80.00 | 0.08 x 10 |
| 100.00 | 0.10 x 10 |
Shape Tolerance When the length of trapezoidal bus bar is less than 500m, its faces medial is tortuocity shall not exceed 2.5mm; while, when the length is less than 1m, its straightness shall be as follows:
a) When a>2″ and H>50mm, straightness≤ 2mm
b) When a≤2″ and H≥50mm, straightness≤3mm