- Applications
- W 8016.B2 can be used for welding of 1.25%Cr-0.5%Mo steel for super-heat tubes, steam pipes and heaters of boilers for thermo-electric power plant and equipment of oil refining industries.
- Characteristics on Usage
-
- - W 8016.B2 is a low hydrogen type electrode and is usable in all positions.
- - It is suitable for welding 1.25%Cr-0.5%Mo steel pipes and high carbon Cr-Mo steel.
- Notes on Usage
-
- - Dry the electrodes at 350~400℃(662~752℉) for 60 minutes before use.
- - Preheat at 150~300℃ and postheat at 670~730℃.
- Sizes Available and Recommended Currents ( AC or DC ± )
-
Sizes Available and Recommended Currents ( AC or DC ± )
| Dia. (mm) |
2.6 |
3.2 |
4.0 |
5.0 |
6.0 |
| Length (mm) |
350 |
350 |
400 |
400 |
450 |
Current
(A) |
F |
55~90 |
90~130 |
130~180 |
180~240 |
250~300 |
| V-up & OH |
50~80 |
80~120 |
110~170 |
- |
- |
- Typical Chemical Composition of All-Weld Metal (%)
-
Typical Chemical Composition of All-Weld Metal (%)
| C |
Mn |
Si |
P |
S |
Cr |
Mo |
| 0.07 |
0.71 |
0.51 |
0.012 |
0.001 |
1.24 |
0.52 |
- Typical Mechanical Properties of All-Weld Metal
-
Typical Mechanical Properties of All-Weld Metal
| Y.S MPa |
T.S MPa |
EL(%) |
PHWT |
| 541 |
634 |
28 |
690℃ X 1hr S · R |
- Welding positions
