Fluoride-basic type agglomerated flux for surfacing
2.2 (basic)
1.0 g/cm3
10-60 mesh
25 kg plastic valve bags, 500/1000 kg large bags
A fluoride-basic sintered flux specifically formulated for submerged arc surfacing and cladding applications, providing excellent alloy recovery and low dilution.
When paired with hardfacing wires, suitable for surfacing roller surfaces, mill rolls, continuous casting rolls, and other wear-resistant components in steel mills and mining operations.
The high calcium fluoride content provides good slag fluidity and excellent slag release at high deposition rates, ensuring smooth clad surface with uniform hardness.
Can be used for both single-layer and multi-layer surfacing. Suitable for circumferential surfacing of rolls, flat surfacing of wear plates, and repair of worn components.
| SiO₂+TiO₂ | CaO+MgO | Al₂O₃+MnO | CaF₂ | S | P |
| 18-22 | 33-37 | 10-20 | 25-30 | <=0.06 | <=0.08 |
| Application | Wire Type | Surface Hardness | Dilution | Layer |
| Roll surfacing | Cr-Mo-V | HRC 50-60 | <=20% | 2-3 layers |
| Wear plate | High-Cr cast iron | HRC 55-65 | <=15% | 2 layers |
Sintered flux for surfacing. Must be dried at 300-350C for 2 hours before use to prevent porosity in the clad layer.
Base metal preparation: Clean surfacing area thoroughly, remove all oil, rust, cracks, and fatigue layers. Preheat base metal according to material and hardness requirements.
Dilution control: Adjust current, travel speed, and oscillation to control dilution. Multi-layer surfacing required to achieve target hardness and chemistry.
Post-weld treatment: Slow cooling or stress relief may be required depending on base metal and clad alloy. Conduct hardness testing and crack inspection after surfacing.
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Moisture control is critical for submerged‑arc welding fluxes. Our standard packaging is 25‑kilogram multi‑layer kraft paper bags lined with heavy‑duty moisture‑proof plastic bags. For extreme environments or ultra‑low hydrogen requirements (such as H5 grade), we can also provide custom heavy‑duty aluminium foil vacuum packaging. All goods are stacked on wooden pallets and tightly wrapped with multiple layers of industrial shrink film to ensure 100% dryness upon arrival at the port.
No. For High-Grade Oil & Gas pipeline fabrication (such as API X60 to X70), standard neutral fluxes like 301 or active fluxes like 501 are not suitable, as they cannot guarantee the required extreme low-temperature impact toughness. You must use our dedicated pipeline-grade Fluoride-Basic agglomerated flux, GJ-101Q (or GJ-101G), combined with Mo/Ni-alloyed wires (e.g., EA2 or S3Ni1Mo).This combination ensures zero loss of alloying elements and guarantees impact values of ≥27J(or much higher) at -40°C to -50°C.
Our standard MOQ for international orders is normally 5 tons per item. For a full 20‑foot FCL container, the loading capacity is usually 24 tons subject to container space constraints, and it can reach 27 tons without pallets. A 40HQ high‑cube container can hold a maximum of 28 tons. Backed by our robust production capacity, we can finish production, quality inspection and packaging within 7‑10 days upon receiving the deposit, and deliver the goods to major Chinese ports such as Qingdao Port or Tianjin Port.
Yes! We fully understand that re-baking costs time and electricity. For customers who want to skip this step, we highly recommend selecting our Heavy-Duty Aluminum Foil Vacuum Packaging. The flux is vacuum-sealed immediately after high-temperature manufacturing. When you open the bag in your workshop, the flux is in a 100% factory-dry state and can be poured directly into the welding hopper for immediate use.
For structural steel with surface impurities like rust, oil, or mill scale, standard neutral or high-basic fluxes will likely cause porosity. You need our GJ-501A (Aluminate-Rutile Active Flux). It features a highly active deoxidizing slag system that offers exceptional tolerance to surface contaminants. This allows you to achieve flawless, X-ray quality welds at high speeds without rigorous pre-weld grinding, significantly boosting your shop floor efficiency.
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