The BCuP-series brazing alloys are mainly used for brazing pure copper, brass and bronze based components, with excellent wettability, excellent capillary filling capacity, low melting temperature, and self-fluxing feature for copper-copper joints, no extra flux required. Flux is mandatory for brass or bronze brazing. Suitable for gas flame brazing, induction brazing, furnace brazing, resistance brazing.
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This series of brazing alloys is mainly applied for brazing pure copper, brass and bronze based components. It is not suitable for stainless steel, carbon steel or aluminum alloys.It features good wettability, flowability, and self-fluxing feature when brazing pure copper, no extra flux required. Flux is suggested for brazing brass or bronze to obtain better wetting. Applicable brazing processes such as gas flame brazing, induction brazing, and furnace brazing.
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This series of brazing alloy is suitable for brazing Copper-Copper based and Copper alloys material. It features excellent flowability, good toughness. Compared with silver-free phosphor copper brazing alloys, the addition of silver reduces brittleness, improves corrosion resistance, and delivers higher reliability of brazed joints. It is suitable for multiple brazing processes, including gas flame brazing, high-frequency induction brazing, furnace brazing, resistance brazing and dip brazing.
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Pure-copper brazing fillers (AWS BCu-1 / BCu-1a) are widely used for low-carbon steel, alloy steel, stainless steel, cemented carbide tools, pure copper and partial nickel-base alloys. Suitable for dissimilar joints such as steel-to-carbide and steel-to-copper.It features good wettability, flowability, excellent ductility and toughness for withstanding strong impact and vibration. Very high melting temperature yields outstanding electrical and thermal conductivity. Widely used in vacuum brazing process, protective atmosphere furnace brazing process, gas flame brazing for certain situations.
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The brass-series brazing alloys are suitable for brazing pure copper, brass, bronze, low-carbon steel, cast iron, nickel-base alloys and carbide cutting tools. It performs well for dissimilar-metal joints such as copper-to-steel and copper-to-cast-iron. Not recommended for aluminum alloy, titanium alloy and high-corrosion-resistance stainless-steel service. Low melting temperature, Good wetting performance on copper-alloy, carbon-steel and cast-iron substrates. Flux is MANDATORY, no self-fluxing feature. Moderate-good flowability, excellent ductility and toughness to withstand vibration and impact loads. This series of alloy can be applied to various brazing processes such as furnace brazing and induction brazing.Note that vacuum brazing is not recommended as Zinc (Zn) tends to evaporate under high-temperature heating, which may cause fume and porosity.
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This Cu-Ni series of alloy is widely used for brazing dissimilar metal material such as carbon steel, stainless steel, cast iron, copper alloys, nickel based alloys. Cost-effective when compared with silver based brazing alloys. Good wettability on stainless steel, nickel based alloys. Flux is mandatory for flame brazing. Moderate flowability, high melting range provides high-temperature mechanical performance and good high-temperature corrosion resistance. It is widely applied in vacuum brazing, protective atmosphere furnace brazing, gas flame brazing.
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