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Copper Busbar for Electric Arc Furnaces

원래 장소 중국
브랜드 이름 Shaanxi Chengda
인증 ISO 9001
모델 번호 장비 처리 용량에 따라 협상
최소 주문 수량 1세트
가격 The price will be negotiated based on the technical requirements and supply scope of Party A
포장 세부 사항 당사자의 특정 요구 사항에 따라 논의하십시오
배달 시간 15 일
지불 조건 L/C, T/T, 웨스턴 유니온
공급 능력 완전한 생산 공급망, 정시 공급 및 품질 표준 충족

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copper busbar for arc furnaces

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As a core conductive component in the EAF short network system, the copper busbar is responsible for transmitting ultra-large currents and connecting the transformer to electrodes. Its conductive performance, mechanical strength, and heat resistance directly affect the EAF's smelting efficiency, energy consumption, and operational stability. Below is a detailed product introduction:

2.1 Core Definition & Key Functions

  • Definition: Made of high-purity electrolytic copper, the rectangular conductive conductor is formed by bending and splicing. Divided into ordinary and silver/tin-plated types, it is widely used in fixed connections of EAF secondary circuits.
  • Key Functions: Transmits electrical energy stably from the transformer to electrodes. Reduces resistance loss and electromagnetic interference through optimized design. Provides mechanical support for other short network components.

2.2 Core Composition & Material Characteristics

2.2.1 Material Selection

  • Adopts T2/T3 high-purity electrolytic copper with copper content ≥99.9% and conductivity ≥97%IACS.
  • Surface can be silver-plated (≥0.1mm) or tin-plated (≥0.05mm) to enhance oxidation and corrosion resistance.

2.2.2 Structural Design

  • Rectangular cross-section with common specifications: 50×5mm, 60×6mm, 80×8mm, 100×10mm, etc., customizable for special sizes.
  • Key connections use drilling and tapping processes with stainless steel bolts. Some busbars have heat dissipation grooves to improve cooling efficiency.

2.3 Key Technical Parameters

Rated EAF Capacity Busbar Specification (Width×Thickness) Rated Current Conductivity Tensile Strength Heat Resistance Temperature Surface Treatment
5-10t 60×6mm/80×8mm 5000-10000A ≥97%IACS ≥205MPa ≤250℃ Tin-plated/Natural
10-20t 80×8mm/100×10mm 10000-20000A ≥97%IACS ≥205MPa ≤250℃ Tin-plated/Silver-plated
20-50t 100×10mm/120×12mm 20000-35000A ≥97%IACS ≥205MPa ≤250℃ Silver-plated
Above 50t 120×12mm and above Above 35000A ≥97%IACS ≥205MPa ≤250℃ Silver-plated

2.4 Product Features

  • High Conductivity: Low resistivity reduces heat loss and EAF energy consumption.
  • Strong Mechanical Performance: Tensile strength ≥205MPa, withstanding vibration and impact during smelting.
  • Excellent Heat & Corrosion Resistance: Adapts to high-temperature and dusty working environments.
  • Customizable Adaptability: Tailorable size, length, and surface treatment for different EAF specifications.
  • Easy Installation: Rectangular structure facilitates splicing and fixing, improving construction efficiency.

2.5 Application Scenarios

  • Mainly used in EAF short network systems as fixed conductors for steelmaking and refining EAFs.
  • Connects transformer low-voltage outlets, compensators, and conductive cross arms, suitable for metallurgy, casting, and metal processing industries.
  • Applicable to conductive circuits of other high-current metallurgical equipment such as submerged arc furnaces and calcium carbide furnaces.

    2.6 Core Composition & Material Characteristics

    2.6.1 Material Selection

    • Adopts T2/T3 high-purity electrolytic copper with copper content ≥99.9% and conductivity ≥97%IACS, ensuring excellent electrical conductivity and reducing energy loss during current transmission.
    • The surface can be silver-plated or tin-plated as required, with silver plating thickness ≥0.1mm and tin plating thickness ≥0.05mm, improving oxidation and corrosion resistance and extending service life.

    2.6.2 Structural Design

    • The cross-sectional shape is mainly rectangular, with common specifications (width × thickness) including 50×5mm, 60×6mm, 80×8mm, 100×10mm, etc. Special sizes can be customized according to the EAF capacity.
    • Key connection parts adopt drilling and tapping processes, fixed with stainless steel bolts to ensure tight connection and reduce contact resistance. Some copper busbars are provided with heat dissipation grooves on the surface to improve heat dissipation efficiency.

    2.7 Key Technical Parameters

    Rated EAF Capacity Copper Busbar Specification (Width×Thickness) Rated Current Conductivity Tensile Strength Heat Resistance Temperature Surface Treatment Method
    5-10t 60×6mm/80×8mm 5000-10000A ≥97%IACS ≥205MPa ≤250℃ Tin-plated/Natural
    10-20t 80×8mm/100×10mm 10000-20000A ≥97%IACS ≥205MPa ≤250℃ Tin-plated/Silver-plated
    20-50t 100×10mm/120×12mm 20000-35000A ≥97%IACS ≥205MPa ≤250℃ Silver-plated
    Above 50t 120×12mm and above Above 35000A ≥97%IACS ≥205MPa ≤250℃ Silver-plated

    2.8Product Features

    • High Electrical Conductivity: High-purity electrolytic copper material ensures low resistivity, with conductivity far exceeding that of ordinary copper alloys, which can reduce heat loss during current transmission and lower EAF energy consumption.
    • Strong Mechanical Performance: After cold working and heat treatment processes, the tensile strength is ≥205MPa and the yield strength is ≥60MPa, with good bending and shearing performance, capable of withstanding vibration and mechanical impact during EAF smelting.
    • Excellent Heat and Corrosion Resistance: Copper itself has certain heat resistance, and the surface coating can effectively resist high-temperature oxidation and conductive dust corrosion, adapting to the harsh high-temperature and dusty working environment of EAFs.
    • Customized Adaptability: Can customize size, length and surface treatment process according to EAF capacity and short network arrangement, adapting to the installation and use needs of different specifications of EAFs.
    • Easy Installation: The rectangular structure is convenient for splicing and fixing, and the connection parts are reasonably designed, which can quickly complete the assembly with transformers, water-cooled cables and other components, improving construction efficiency.