Category
类 别 

Trade-mark
牌号 

Specification
规 格 

Melting
Point
熔点(℃)

Chemical
composition
主要成份(%)

Application
用 途

Equivalent
to AWS
相当AWS

Copper
zinc

铜锌 

L103

Wire & rod
丝 

885-888

Cu54 Zn Rem.

Brazing of copper, bronze and steel, subjected to low load.
钎焊铜、青铜和钢等受力不大工件 

L104

Foil
箔 

890-930

Cu57 Mn2
Co2 Zn Rem.

Brazing of carbide cutting tool.
钎焊硬质合金刀具

Copper
phosphorus

铜磷 

L201

Cast rod, wire & rod, powder
铸条、丝、粉 

710-800

P7 Cu Rem.

Brazing of copper and copper alloys.
钎焊铜及铜合金

BCuP-2

L204

Cast rod, wire
铸条、丝 

640-815

P5 Ag15
Cu Rem.

Brazing of copper, copper alloys, silver and molybdenum etc.
钎焊铜及铜合金、银、钼等金属。 

BCuP-5

L205

Cast rod, wire & rod, powder
铸条、丝、箔 

640-800

P6 Ag5
Cu Rem.

Brazing of copper and copper alloys.
钎焊铜及铜合金

BCuP-3

L207

Cast rod, wire & rod
铸条、丝 

640-770

P7 Ag5
Cu Rem.

Brazing of copper and copper alloys.
钎焊铜及铜合金

BCuP-7

L209

Cast rod, wire
铸条、丝 

684-710

P7 Ag2
Cu Rem.

Brazing of copper and copper alloys.
钎焊铜及铜合金。 

BCuP-6

Silver
base

银基 

L302

Wire & rod
丝 

745-775

Ag25 Cu40
Zn Rem.

Brazing of copper, copper alloys, steel and stainless steel etc.
钎焊铜及铜合金、钢及不锈钢等

L303

Wire & rod
丝 

660-725

Ag45 Cu30
Zn余 

Brazing of copper, copper alloys, steel and stainless steel etc.
钎焊铜及铜合金、钢及不锈钢等

BAg-5

L303F

Flux coated rod
涂药丝 

660-725

Ag45 Cu30
Zn Rem.

L303 coated with flux, the same application as L303.
外涂钎剂的L303，用途与L303相同 

BAg-5