|
|
 |
|
|
|
|
Description and Applications |
|
HJ300R is a titanium type
electrode. Deposited metal of about 300 Vickers hardness
in as-welded condition. Restriking and weld ability are
excellent, bead appearance is beautiful. Suitable for
multi-layer welding of gear wheels, bearing, rolling,
and wheels. |
|
|
|
Guideline in Usage |
|
1. |
Preheating at 150℃ is
required. |
|
2. |
Electrode should be re-dried
at 70～120℃
for 60 minutes before use. |
|
|
|
|
|
|
Typical
Chemical Composition of Weld Metal（％） |
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
0.130 |
0.840 |
1.25 |
0.015 |
0.009 |
0.802 |
0.020 |
|
|
|
|
Typical Hardness of
Weld Metal (Vickers Hardness) |
|
|
|
|
|
Size & Recommended Current Range（AC
） |
|
|
|
3.2 |
4.0 |
5.0 |
|
|
350 |
400 |
450 |
|
Current (Amp) |
F |
100~140 |
140~170 |
180~230 |
|
|
|
|
 |
