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SCu6180 CuZn39Pb2 UNS C61800 CW617N Brass Welding Rod Wire Diameter 08 to 50 mm High Conductivity Corrosion Resistant

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Product Description

SCu6180 (also known as CuZn39Pb2, UNS C61800, or CW617N) is a high-lead brass welding rod/wire designed for welding brass alloys, copper alloys, and copper-to-steel dissimilar joints.

This alloy provides high electrical and thermal conductivity, good corrosion resistance, and stable weld performance.
It is widely used in electrical components, plumbing fittings, valves, marine piping, and industrial copper alloy assemblies.


Chemical Composition (Typical) / Approximate Values

Element Content (%)
Copper (Cu) Balance (~60–61)
Zinc (Zn) 37–40
Lead (Pb) 1.5–2.5
Tin (Sn) ≤ 0.3
Iron (Fe) ≤ 0.3
Others ≤ 0.5

Note: Exact composition may vary slightly depending on manufacturer and application requirements.


Technical Parameters

Parameter Specification
Material Type High-Lead Brass Alloy (SCu6180 / CuZn39Pb2 / UNS C61800 / CW617N)
Product Form Welding Rod / Welding Wire
Diameter 0.8 – 5.0 mm (customizable)
Length 250 – 1000 mm (customizable)
Melting Point Approx. 900–1020 °C
Conductivity High
Corrosion Resistance Good
Packaging Coils or straight rods

Custom Attributes / 产品属性

Attribute Options / Description
Alloy Grade SCu6180 / CuZn39Pb2 / UNS C61800 / CW617N
Material Type High-Lead Brass Alloy
Product Form Welding Rod / Welding Wire
Diameter 0.8 – 5.0 mm (customizable)
Diameter Tolerance ±0.01 mm
Length 250 – 1000 mm (customizable)
Surface Finish Bright, Polished
Packaging Type Coil, Bundle, Straight Rods
Melting Point Approx. 900–1020 °C
Electrical Conductivity High
Corrosion Resistance Good
Strength / Mechanical Property Moderate to High
Welding Method TIG (GTAW), MIG (GMAW), Brazing
Heat Treatment As-drawn, Annealed
Certification ISO 9001, RoHS, REACH (optional)
Special Coating Optional anti-oxidation coating
Dissimilar Metal Compatibility Copper-to-steel, Copper-to-brass joints
Application Environment Marine, Industrial, Plumbing, Electrical
Customizable Length & Diameter Any within standard ranges, special sizes on request

Applications

  • Electrical and electronic components

  • Plumbing and fluid fittings

  • Valves and pumps

  • Marine piping and seawater equipment

  • Industrial copper alloy assemblies


Features

  • High electrical and thermal conductivity

  • Good corrosion resistance

  • Smooth and stable weld quality

  • Low porosity and crack resistance

  • High ductility and mechanical strength

  • Compatible with copper-to-steel and copper-to-brass welding

  • Manual and automated welding compatible

  • Easy handling and processing

  • Customizable for special industrial applications

  • Long service life in marine and industrial environments


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