• Huona (Shanghai) New Material Co., Ltd.
    Alfred***
    We received the goods, everything went fine. Perfect packaging, good product quality, good price - we are satisfied.
  • Huona (Shanghai) New Material Co., Ltd.
    May***
    The product quality is very good, beyond my expectations, the actual use of fully meet my needs, we will buy again.
  • Huona (Shanghai) New Material Co., Ltd.
    Matthew***
    I bought low expansion alloy from Joy, She is a very responsible lady, Huona's products quality is pretty good.
Contact Person : Roy
Phone Number : +86 18930254719
WhatsAPP : +8618930254719

CuNi44 SCu7158 Copper Alloy Welding Rod / Wire, Diameter 1.0–5.0 mm, High Conductivity & Corrosion Resistant

Place of Origin CHINA
Brand Name HUONA
Certification ISO9001
Model Number WIRE
Minimum Order Quantity 5kg
Price negotiation
Packaging Details Carton box
Delivery Time a week
Payment Terms T/T,Western Union
Supply Ability 10 tons per month

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Product Details
Diameter Tolerance ±0.01 Mm Surface Finish Polished, Bright, Matte
Packaging Type Coil, Bundle, Straight Rods Heat Treatment As-cast, Annealed
Welding Method Manual TIG/MIG, Automated Welding Certification ISO 9001, RoHS, REACH (optional)
Special Coating Optional Anti-oxidation Or Flux Coating Length Customization Any Length Within 250–1000 Mm
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CuNi44 copper alloy welding rod

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SCu7158 high conductivity welding wire

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corrosion resistant copper welding wire

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Product Description
CuNi44 SCu7158 Copper Alloy Welding Rod / Wire
High-performance copper alloy welding rod/wire with diameters ranging from 1.0–5.0 mm, offering exceptional electrical conductivity and corrosion resistance for demanding industrial applications.
CuNi44 SCu7158 Copper Alloy Welding Rod / Wire, Diameter 1.0–5.0 mm, High Conductivity & Corrosion Resistant 0
SCu7158 is a premium copper alloy welding rod/wire specifically engineered for joining copper and copper alloy materials. This product delivers superior electrical and thermal conductivity, robust corrosion resistance, and dependable weld strength, making it ideal for precision electrical components, refrigeration and air-conditioning systems, marine piping, and industrial copper alloy assemblies.

Chemical Composition (Typical Values)
Element Content (%)
Copper (Cu) Balance
Nickel (Ni) 29.0 - 32.0
Zinc (Zn) 0.5 - 2.0
Phosphorus (P) 0.02 - 0.08
Lead (Pb) ≤ 0.05
Tin (Sn) ≤ 0.5
Note: Exact composition may vary slightly depending on manufacturer and application requirements.

Technical Specifications
Parameter Specification
Material Type Copper Alloy (SCu7158)
Diameter 1.0 - 5.0 mm (customizable)
Length 250 - 1000 mm (customizable)
Melting Point ~900-1050°C (depending on alloy composition)
Conductivity High
Corrosion Resistance Excellent
Packaging Coils or straight rods

Primary Applications
  • Electrical and electronic components
  • Air-conditioning and refrigeration piping
  • Marine equipment and piping
  • Precision machinery, valves, and fittings
  • Industrial and chemical piping systems

Key Features
  • High electrical and thermal conductivity
  • Strong corrosion resistance
  • Stable weld quality and strength
  • Suitable for both manual and automated welding processes
  • Easy to handle and process