National standard: GB/T 5231-2012 clearly stipulates the chemical composition of T2 and T3, of which T2 corresponds to the American ASTM standard C11000, T3 No direct corresponding grade.
Purple copper row
I. T2 purple copper row
Electric power system: used for high-voltage distribution cabinet busbar, transformer winding connection, its conductivity ≥ 58MS / m (IACS 100%) can reduce power loss.
New energy field: new energy vehicle battery module connection row (such as Ningde Times CTP battery pack), energy storage system busbar, need to withstand 2000A or more high current.
Precision equipment: semiconductor manufacturing equipment in the vacuum chamber grounding row, the requirements of surface roughness ≤ Ra0.8μm to ensure signal stability.
Second, T3 purple copper row
Building Electrical: residential distribution box branch bus, width 30mm or less specifications accounted for more than 60%, the cost is about 5% lower than T2.
Industrial machinery: injection molding machine hydraulic system conductive connectors, oil corrosion resistance and can withstand vibration stress.
Copper rod
I. T2 copper rod
Aerospace: aircraft landing gear actuator cylinder lining, the use of its anti-magnetic properties (permeability ≤ 1.003) to avoid interference with avionics systems.
Medical devices: CT machine slip ring conductive shaft, need to pass the FDA certification of biocompatibility testing.
Second, T3 copper rod
automobile manufacturing: fuel car engine spark plug electrode, diameter 2.5mm specifications annual consumption of more than 1 billion.
Furniture Hardware: High-end bathroom faucet spool shaft, surface nickel plating salt spray test up to 96 hours.
Purple Copper Strip
I. T2 Purple Copper Strip
Electronic Packaging: 5G base station filter cavity shielding tape, thickness 0.15mm ± 0.005mm, need to pass 20GHz RF attenuation test.
Photovoltaic industry: photovoltaic inverter IGBT module heat dissipation substrate, thermal conductivity ≥ 380W/(m-K).
Second, T3 copper tape
Home appliance parts: air conditioning compressor terminals, tensile strength ≥ 250MPa after stamping and molding.
Decorative materials: architectural curtain wall inserts, surface oxidation and coloring of the surface weathering up to QUV accelerated aging 500 hours.
Busbar row
I. T2 busbar row
Extra-high-voltage power transmission: ± 800kV converter station valve hall busbar, a single load capacity of more than 6000A, need to pass the lightning impact test (1.2/50μs waveform).
Data center: high-density cabinet PDU busbar, using copper-aluminum composite structure (30% copper) to reduce weight.
II, T3 busbar row
Industrial plant: workshop power distribution cabinet busbar, specifications are mostly 50 × 5mm, support customized bending radius ≤ 30mm.
Shipbuilding: cargo ship cabin emergency power busbar, seawater corrosion resistance level up to C4-M.
Purple Copper Wire
I, T2 Purple Copper Wire
High-frequency electronics: satellite communications antenna oscillator, the diameter of the ultra-fine wire 0.05mm need to pass the 10GHz signal attenuation test.
Medical equipment: cardiac pacemaker electrode wire, surface gold plating layer thickness ≥ 0.2μm to ensure biocompatibility.
Second, T3 copper wire
Daily Hardware: zipper teeth wire, diameter 0.3mm specifications annual production capacity of more than 50,000 tons, the surface coated with polyester resin to prevent oxidation.
Building materials: security net braided wire, salt spray test up to 48 hours after hot-dip galvanized treatment.
Copper rods
I. T2 copper rods
Ultra-high voltage cables: 500kV and above cable conductor, need to meet the IEC60228 standard tightness coefficient ≥ 0.92.
Special conductors: Carbon Fiber Composite Core Conductor (ACCC) inner copper conductor, tensile strength of ≥ 300MPa.
II. T3 Copper rods
Ordinary cables: BVR multi-stranded flexible wires, the drawing process using nano-sized lubricants to reduce the rate of wire breakage.
Decorative wire: artistic sculpture welding wire, diameter 1.2mm specifications to support laser fusion molding.
Industry trends and innovative applications
New energy scenario: T2 busbar row in the electric car 800V high-voltage platform usage growth of 300%, need to support the silver plating process to reduce the contact resistance.
Lightweight demand: T3 copper rod and aluminum rod composite drawing technology is mature, can reduce weight by 40% and maintain the conductivity ≥ 50MS/m.
Environmental protection process: copper tape production using pulse plating technology, energy consumption reduced by 30% and the uniformity of the plating layer increased by 50%.
The above application scenarios cover 12 industries such as electric power, electronics, new energy, etc. The technical parameters are in line with GB/T 5231-2012 and ASTM B30 standards, and the enterprises can choose the materials and specifications according to the specific working conditions.
We can provide high quality products, good service and competitive price. We have been committed to producing high quality copper products such as copper tubes, copper wires, copper plates, copper strips, copper rods and other copper products.
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