Flux plus soldering copper paste supplier in China

Item

Type

Chemical Component

Melting temperature,degree

Usage

1

YJ-GTCu-1

Cu99.99%

1083 to 1149

High-purity copper brazing paste for furnace welding and vacuum furnace welding for joining steels, stainless steels and
nickel-based alloys.

2

YJ-GTCuP-1

Cu85.5%P6%Sn7%Ni1.5%

643 to 680

For brazing between copper and copper alloys, suitable for contact industry, can replace low silver solder. Suitable for high
frequency, resistance, flame and other welding methods

3

YJ-GTCuP-2

Cu75%P5.2%Sn15.6Ni4.2%

593 to 604

Low temperature in copper brazing filler metal, used for brazing of copper and copper alloys, suitable for common high temperature
furnace, high frequency welding, flame brazing, resistance, vacuum, ammonia decomposition furnace and other brazing

4

YJ-GTCuP-3

Ag2%Cu91%P7%

643 to 788

 The phosphorus-containing solder with low silver content has good fluidity, electrical conductivity and brazing toughness higher
than ordinary phosphorus-containing solder, suitable for brazing between copper and copper alloys

5

YJ-GTCuP-4

Ag5%Cu89%P6%

645 TO 800

Low silver content, slightly poor fluidity, good plasticity and electrical conductivity, suitable for workpieces with large gaps

6

YJ-GTCuP-6

Ag6%Cu86.75%P7.25%

643 to 718

The silver content is slightly lower, the flow performance is good, the electrical conductivity and plasticity are good, and it is
suitable for brazing of copper base metal workpieces. Can be welded with high frequency, resistance, flame, vacuum, ammonia
decomposition furnace, etc.

7

YJ-GTCuP-5

Ag15%Cu80%P5%

643 to 815

Commonly used copper-phosphorus solder for brazing between copper and copper alloys, suitable for large gap joints, suitable for
high frequency, resistance, flame, vacuum, ammonia decomposition furnace and other welding methods

8

YJ-GTCuP-8

Ag17.6%Cu76.05%P6.35%

664 to 686

Among the silver-copper-phosphorus solder series, the melting point is low, the flow is the best, the strength is high, and the
electrical conductivity is good. It can weld copper workpieces in high frequency, resistance, flame, vacuum, ammonia decomposition
furnace