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ANTECH JL-SJ101
Description
Technical specification
ANTECH JL-SJ101
Welding Flux – High-Performance SAW Flux for Structural and Pressure Applications
ANTECH JL-SJ101 is an agglomerated fluoride-basic submerged arc welding (SAW) flux designed for high-performance welding of structural and pressure-grade steels. With a basicity index of 1.8 and a grain size of 10–60 mesh, this flux ensures stable arc characteristics, excellent slag removal, and superior weld bead appearance. It is compatible with both AC and DC power sources, with the electrode connected to the positive pole when using DC.
Key Features
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- Stable Arc and Easy Slag Removal: Provides a steady arc and facilitates easy slag detachment, resulting in clean and aesthetically pleasing welds.
- Low Hydrogen Content: The deposited metal exhibits low diffusible hydrogen content (<5ml/100g), enhancing resistance to cold and heat cracking.
- Excellent Mechanical Properties: When paired with appropriate wires like EM12K or EH14, it delivers high tensile strength (up to 660 MPa) and good impact
- Versatile Applications: Suitable for welding low-carbon and low-alloy steels in industries such as shipbuilding, boiler manufacturing, pipeline construction, and pressure vessel fabrication.
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Chemical Composition (%)
| Component | Range |
|---|---|
| SiO₂ + TiO₂ | 15–25 |
| CaO + MgO | 25–35 |
| Al₂O₃ + MnO | 20–30 |
| CaF₂ | 15–25 |
| S | ≤0.06 |
| P | ≤0.06 |
Mechanical Properties (with EM12K Wire)
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥330 |
| Tensile Strength (MPa) | 415–550 |
| Elongation (%) | ≥22 |
| Impact Toughness (J) | ≥110 at 0°C |
Usage Guidelines
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- Pre-Weld Preparation: Ensure the welding area is free from rust, oil, and moisture.
- Flux Drying: Bake the flux at 300–350°C for 2 hours before use to eliminate moisture.
- Welding Parameters: Suitable for twin-wire, tandem, and multi-wire SAW processes, as well as two-run techniques.
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Packaging
Typically available in 25 kg kraft paper bags with plastic lining to prevent moisture ingress.
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