China SCu1898 CuZn39Pb3 UNS C18980 CW614N Brass Welding Rod Wire Diameter 08 to 50 mm High Conductivity Corrosion Resistant Manufacture and Factory

SCu1898 CuZn39Pb3 UNS C18980 CW614N Brass Welding Rod Wire Diameter 08 to 50 mm High Conductivity Corrosion Resistant

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Product Description

SCu1898 (also known as CuZn39Pb3, UNS C18980, or CW614N) is a high-lead brass welding rod/wire designed for welding brass alloys, copper alloys, and copper-to-steel dissimilar joints.

This alloy offers high electrical and thermal conductivity, excellent corrosion resistance, and stable mechanical 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)	2–3
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 (SCu1898 / CuZn39Pb3 / UNS C18980 / CW614N)
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	Excellent
Packaging	Coils or straight rods

Custom Attributes

Attribute	Options / Description
Diameter Tolerance	±0.01 mm
Surface Finish	Bright, Polished
Packaging Type	Coil, Bundle, Straight Rods
Heat Treatment	As-drawn, Annealed
Welding Method	TIG (GTAW), MIG (GMAW), Brazing
Certification	ISO 9001, RoHS, REACH (optional)
Special Coating	Optional anti-oxidation coating
Length Customization	Any length within 250–1000 mm