Alumina-Manganese-silicate type Agglomerged submerged arc welding Flux
CLASSIFICATION : AWS: SFA/A 5.17
F7A2-EL8, F7A0-EM12K
F7A2-EL8, F7A0-EM12K
B.I. = 0.85
Grain Size : 8 X 60 BSS
CHARACTERISTICS :
Raajmelt-2 is an agglomerged Si & Mn alloying submerged arc welding flux for the high speed welding of both butt and fillet welds in structural steel components. It is suitable for the single pass, double pass and malti pass welding of steel section up to 25mm thickness.
TYPICAL APPLICATION :
Raajmelt-2 suitable for all general application in low and medium tensile steels in combination with wire grade EL8 & EM12K. the flux is suitable for use with AC & DC current with single wire, twin wire and multi wire systems. Pressure vassals, boilers, LPG cylinder, pipes etc.
Drying requirement :
Redrying recommended at 250-300°C for one hour before use.
Main Constitutions(%)
| SiO2+TiO2 | CaO+MgO | Al2O3+MnO | CaF2 | S | P |
| 25-35 | 10-20 | 30-50 | 10 | ≤0.07 | ≤0.07 |
All Weld Metal Chemical composition (%)
| UNDER Wires | C | Mn | Si | S | P |
| RAAJSAW-1 | 0.080 | 1.40 | 0.50 | 0.016 | 0.020 |
| RAAJSAW-2 | 0.080 | 1.60 | 0.35 | 0.014 | 0.021 |
All Weld Metal Mechanical properties (Typical)
| UNDER Wires | YS(N/mm²) | UTS(N/mm²) | EL % | CHARPY “V” NOTCH IMPACT AT 0°C -20°C |
| RAAJSAW-1 | 440 | 535 | 26 | 50 J —- |
| RAAJSAW-2 | 480 | 565 | 24 | 70 J 50 J |
Raajratna offer a wide range of submerged Arc welding Fluxes for SA welding.
PACKING SPECIFICATION : packed in polythene-line paper bags of 25.00 kg net weight.