- AWS : E-312
- AWS Specification : AWS A / SFA 5.4
- CLASSIFICATION : E 29 9 R 12
Rutile type medium heavy coating.
30 /10 type SS deposit.
High strength weld with excellent resistance to cracking , fissuring and oxidation.
Low spatter, Smooth weld bead
Easy slag detachability.
Radiographic quality weld.
| Carbon% | 0.07 |
|---|---|
| Manganese% | 1.50 |
| Silicon% | 0.5 |
| Chromium% | 29.5 |
| Nickel% | 9.8 |
| Sulphur% | 0.02 |
| Phosphorous% | 0.02 |
| UTS (MPa) | 700-860 |
|---|---|
| % Elong. (L=4Xd) | 22.0 |
| Size (Mm) : | 2.50x350 | 3.15x350 | 4.00x350 |
|---|---|---|---|
| Current ( Amp ) : | 80 -100 | 110- 140 | 150 -180 |
250 - 300 Deg C for one hour.
