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Maxflux HF-250 is an agglomerated hard surfacing type flux suitable for moderate abrasion resistance applications in combination with EL-8 grade (Autotherme Grade A) wire. Slag removal is easy and weld bead is smooth & shiny. The deposited weld metal is of radiographic quality.
Maxflux HF-250 is suitable for surfacing of tractor rollers, excavator parts, tracks lines, crane wheels, etc.
Re-dry the flux at 300-350°C for two hours before use.
WITH SAW WIRE | Elements | C | Mn | Si | Cr | Mo | Cu |
AUTOTHERME GRADE-A | Typical | 0.12 | 0.90 | 0.65 | 2.10 | 0.15 | 0.15 |
WITH SAW WIRE | HARDNESS | HARDNESS | HARDNESS |
ON MS PLATE | ON MS PLATE | ON MS PLATE | |
1st LAYER | 2nd LAYER | 3rd LAYER | |
AUTOTHERME GRADE-A | - | 240 – 260 BHN | 240 – 270 BHN |
SiO2 + TiO2 | CaO + MgO | Al2O3 + MnO | CaF2 |
25% | 5% | 50% | 25% |
BASICITY INDEX: ~0.70
GRAIN SIZE: 0.40 – 2.00 mm
PACKAGING: 25 Kg POLY-LINED PAPER BAG