DESCRIPTION
N-CuSi performs well in any position utilizing AC as well as DC machines. N-CuSi weld deposits are strong, ductile and crack resistant-even welding on dirty, oily, burned cast or maliable pars. The high silicon content of this electrode allows it to be used as a welding or brazing electrode.
APPLICATIONS
N-CuSi flux coated electrodes are used for welding or building-up silicon bronze as other copper alloys. It is an excellent choice for applications involving cast iron to steel where the part is exposed to corrosives. N-CuSi is commonly used on bronze impllers, bronze wear plates, hydraulic piston overlays, track wheels, gears, sprockets, and quite often farm implements. Should be beveled and preheated up to 500ºF depending on the thickness of the part. Thin sections do not require preheating. Maintain a medium arc length and deposit stringer beads in groove or overlay welding and use weave beads for rapid overlays, large areas and for welding ferrous metals. Peen the weld deposit and remove slag between passes.
TYPICAL ANALYSIS OF ALL WELD DEPOSIT:
Cu |
Al |
Fe |
Si |
Sn |
P |
Others |
Mn |
Pb |
Bal |
- |
<0.50 |
2.4-4 |
<1.5 |
- |
<0.50 |
<1.50 |
<0.02 |
TYPICAL ALL WELD MECHANICAL PROPERTIES:
Yield Point
N/mm2 (Ksi) |
Tensile Strength
N/mm2 (Ksi) |
Elongation
% |
HARDNESS
HB |
250 (36) |
420 (61) |
25 |
80-100 |
RECCOMMENDED CURRENTS: Ampere (DC+)
Size |
Dia |
3.2 |
4.0 |
5.0 |
|
(mm) |
Length |
350 |
350 |
350 |
|
Current
Range |
Flat |
70-110 |
110-150 |
140-180 |
|
|
|
WELDING POSITIONS:
FLAT, FILLET, VERTICAL UP, HORIZONTAL, OVERHEAD
EXPORT Packing: 5Kg plastic container, then 4 5kg containers in master carton box
LOCAL Packing: 5Kg paper box in shrink wrapped plastic
Other special packaging can be accommodated as per request. |
