Specifications

1.The welding wire suitable for gap brazing of copper and copper alloys.
2.The brazing wire has good wettability.

Copper-phosphorus alloy

        DIN EN 1044:                    CP202

      DIN 8513:                          L-CuP7

      EN ISO 3677:                    B-Cu93P-710/820

      AWS A 5.8:                        BCuP-2

 

Composition, typical analysis(%w/w):

Cu	P
bal.	6.8-7.5

 

Mechanical and physical properties:

      Working temperature:            730°C

       Melting range:                      710-820°C

       Tensile:                                250N/mm²

       Elongation:                               5%

 

Characteristics / Applications:

      Filler metal with good flowing properties and capillarity. Suitable for gap brazing of copper and copper alloys. Joint-brazing at working temperatures between -20°C and +150°C. Do not use in sulphurous environment and on Fe- and Ni-alloys.  

 

Copper Phosphorus alloys brazing filler metals

Reference	Composition WT %			Melting Temperature Range/°C
	Cu	P	Others	S	L
BCu94P	Bal.	5.9-6.5	/	710	925
BCu93P	Bal.	6.8-7.5	/	710	793
BCu92P	Bal.	7.5-8.1	/	710	770
BCu90PSn	Bal.	6.5-7.0	Sn:2-4	650	730