KF-990/KW-3
Basicity:1.2
Suitable for welding carbon steel and 490N/mm2 grade steel in ship-building, steel structures, bridges and pipes.
Basicity:1.2
Suitable for welding carbon steel and 490N/mm2 grade steel in ship-building, steel structures, bridges and pipes.
| AWS A 5.17 | F7A2-EM12K/ F7P2-EM12K |
| JIS Z3183 | S502-H |
| EN 14171-A | S42 3 AB S2Si |
| GB T5293 | F5A3-H08MnA |
Please refer to Appendix E.
Suitable for welding carbon steel and 490N/mm2 grade steel in ship-building, steel structures, bridges and pipes.
| C | Si | Mn | P | S |
| 0.08 | 0.38 | 1.61 | 0.015 | 0.010 |
| Heat treatment condition | Tensile N/mm2 | Yield Strength N/mm2 | Elongation % | Charpy V-Notch ℃ | Charpy V-Notch J |
| As-welded | 580 | 500 | 29 | 0 -29 | 70 58 |
| PWHT | 497 | 405 | 36 | 0 -29 | 68 50 |