DESCRIPTION
The deposited metal of VHF-400 is designed to give an excellent hardness and resistance to cracking. It is suitable for hard surfacing of heavy duty intermetallic abrasion and light impact abrasion such as bulldozer parts. Its machining is a little bit difficult as welded condition.
APPLICATIONS
Hard surfacing of bulldozer links, idlers, rollers and sprockets, etc.
INSTRUCTIONS FOR WELDING
1.) Preheat at 150ºC and over in general.
2.) In the case of multi-layer build-up welding or hardenable steel welding, underlay with low hydrogen type electrode (LS-50 0r LS-55).
3.) Dry the electrodes at 300~350ºC for 30~60 minutes before use.
TYPICAL ANALYSIS OF ALL WELD DEPOSIT:
C |
Si |
Mn |
Cr |
Mo |
V |
|
|
|
0.23 |
1.15 |
0.60 |
2.52 |
0.53 |
0.38 |
|
|
|
HARDNESS: 45-49 HRC (450-500 Hv)
RECCOMENDED CURRENTS: Ampere (AC/DC+)
Size |
Dia |
3.2 |
4.0 |
5.0 |
(mm) |
Length |
350 |
350 |
350 |
Current Range |
90-130 |
120-180 |
170-230 |
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. |
