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MAXFLUX HF-250
AWS: SFA
EN ISO CODE:
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.
Approvals
CHEMICAL COMPOSITION OF ALL WELD METAL (%)
| WITH SAW WIRE | Elements | C | Mn | Si | Cr | Mo | Cu | |
| AUTOTHERME GRADE-A |
|
0.12 | 0.90 | 0.65 | 2.10 | 0.15 | 0.15 |
METAL HARDNESS OF ALL WELD METAL
| 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 |
MAJOR CONSTITUTENTS
| SiO2 + TiO2 | CaO+MgO | Al2O3+MnO | CaF2 |
| 25% | 5% | 50% | 25% |
Additional Information
BASICITY INDEX : ~0.70
GRAIN SIZE : 0.40 – 2.00 mm
PACKAGING : 25 Kg POLY-LINED PAPER BAG
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