CuSi 3 Laser brazing -welding wire

Category 
type 
Copper-Silicon filler metal for Laser brazing.
applications 
Brazing thin plates and or galvanized plates in the car industry and also for cladding CuMn, CuSiMn and CuZn alloys. Suitable for cladding cast iron and un- and low alloyed steels. Examples: Automobile industry, art work, cladding on steel, cast iron and copper alloys etc.
Properties 

•       High quality alloyed copper wire designed for laser welding and brazing
•       The deposit is a Copper- Silicon bronze
•       Sound, pore free deposits on ferrous and non-ferrous base materials
•       Excellent corrosion resistance.
 

classification
AWS 
A 5.7: ER CuSi-A
EN ISO 
24373: Cu 6560
DIN: W.Nr. 
2.1461
DIN 
1733: SG-CuSi3
Suitable for 

Joining thin steel plates and or galvanized plates in the car industry and also for cladding CuMn, CuSiMn and CuZn alloys. Suitable for cladding cast iron and un- and low alloyed steels.

approvals 
CE approved
welding positions: 
FILLER METAL ANALYSIS % (TYPICAL VALUES)

Cu

Mn

Si

Other

bal

0.75-0.95

2.80-2.95

<0.50

mechanical properties

Heat

RP0,2

Rm

A5

Impact Energy (J) ISO-V

Hardness

Treatment

(N/mm2)

(N/mm2)

(%)

-20°C

-40°C

-60°C

HB

none

350

80

redrying temperature 
not required
welding parameters packing

Welding Parameters

Packing

D (mm)

Voltage (V)

Current (A)

spool type

kg / Spools /Drums

kg / pallet

0.8

21-23

130-150

D-200 / K-300 / D-300

5 / 15 / 250

1000 / 1080 / 1000

1.0

23-25

145-185

D-200 / K-300 / D-300

5 / 15 / 250

1000 / 1080 / 1000

1.2

26-28

195-215

D-200 / K-300 / D-300

5 / 15 / 250

1000 / 1080 / 1000

gas acc. en iso 14175:
I, Ar/He (70-30)