Loading Port:Shanghai
Payment Terms:TT OR LC
Min Order Qty:500 kg
Supply Capability:10000 kg/month
Product: Oxygen-free Copper with High Conductivity
Type Specifications: T2, TU1, TU2, TAg
Copper busbar is a strip or bar of copper that conducts electricity, often produced with high purity oxygen-free copper ingot through extrusion and drawing processes, usually used in high and low voltage electrical equipment, switch contact, electrical distribution equipment, and bus slot, etc.
Oxygen-free copper busbar and copper bar with high conductivity Specifications
Type | Cu%(WT) | W%(WT) | RWMA | Density | E-conductivity(Min) | heat conduction | thermal expensivity | |
Class | (Min) | Hardness | ((W/mK)) | |||||
(Min) | ||||||||
CuW55 | 45±2 | Balance | 10 | 12.30g/cm3 | 49%IACS | 125HB | ~260 | ~11.7(10-6/K) |
CuW60 | 40±2 | Balance | 12.75g/cm3 | 47%IACS | 140HB | |||
CuW65 | 35±2 | Balance | 3.30g/cm3 | 44%IACS | 155HB | |||
CuW70 | 30±2 | Balance | 13.80g/cm3 | 42%IACS | 175HB | ~240 | ~9.7(10-6/K) | |
CuW75 | 25±2 | Balance | 11 | 14.50g/cm3 | 38%IACS | 195HB | 200~230 | 9.0~9.5 (10-6/K) |
CuW80 | 20±2 | Balance | 12 | 15.15g/cm3 | 34%IACS | 220HB | 190~210 | 8.0~8.5 (10-6/K) |
CuW85 | 15±2 | Balance | 15.90g/cm3 | 30%IACS | 240HB | 180~200 | 7.0~7.5(10-6/K) |
Application: Copper busbar is a strip or bar of copper that conducts electricity, often produced with high purity oxygen-free copper ingot through extrusion and drawing processes, usually used in high and low voltage electrical equipment, switch contact, electrical distribution equipment, and bus slot, etc.
Production Equipment
750-1500kg main frequency induction copper melting furnace, 80MN water seal extruder, LG60 high speed two-roll cold pilger mill, straight-line wire-drawing machine, copper tube/pipe straightener, polisher, 84′ copper coil winding machine, straightening-cutting & pancake coiling machine, thermoplastic packaging machine, 1.2T continuous bright annealing furnace.
Testing Devices
spectrum analyzer, atomic absorption analyzer, spectrophotometry, analytical balances, metallurgical microscope, eddy current flaw detector, metal tensile testing machine, eddy conductivity instrument.
Process
refined copper — smelting & casting — extrusion — rolling — drawing — straightening-cutting/forming of pancake coil — bright annealing — packaging — finished goods.
Standards
GB/T 1527-2006 Drawn tube of copper and copper alloys
GB/T 16866-2006 Dimensions and tolerances of copper and copper alloy seamless tubes
GB/T 4423-2007 Copper and copper-alloy cold-drawn rod and bar
GB/T 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products
GB/T 5585.1-2005 Copper or aluminium and its alloy bus bars for electrical purposes—Part 1:Copper andcopper alloy bus bars
GB/T 17791-2007 Seamless copper tube for air conditioner and refrigeration equipment
GB/T 19850-2005 The seamless round copper tubes for electrical purposes
GB/T 26024-2010 Seamless copper and copper alloys tube for valves on air-conditioning and refrigeration system
ASTM B280-2008 Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service
EN 12735-1：2001 Copper and copper alloys Seamless,round copper tubes for air-conditioning and refrigeration Part 1:Tubes for piping systems
EN 12735-2：2001 Copper and copper alloy – seamless round copper tube/pipe for air-conditioning and refrigeration system – for equipment
JIS H3300-2009 Seamless copper and copper alloy tube/pipe
