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Submerged Arc Welding Flux


SLDSJ112


1SLDSJ112 is a fluorine alkali alkaline sintered flux, with gray white circular particles, particle size of 10-60 mesh, and alkalinity of 2.6. It is made from powders such as silicate, carbonate, fluoride, metal oxide, and iron alloy through processes such as balling, low-temperature drying, and high-temperature sintering. The performance of the flux can replace Lincoln's 801 flux in the United States, with beautiful weld formation, smooth surface, no slag inclusion, porosity, and cracks, and good welding process.

SLDSJ601


SLDSJ601 is an alkaline sintered flux for submerged arc welding of stainless steel and heat-resistant steel, with a particle size of 3.0-0.28mm (10-60 mesh). It is used for direct current welding and welding to the positive rod. Stable arc combustion, easy slag removal, beautiful weld formation, and excellent intergranular corrosion resistance of weld metal.

SLDSJ609


SLDSJ609 is a fluorine alkali type high alkalinity low hydrogen sintered flux with an alkalinity of about 2.2. The flux is circular particles with a particle size of 2.0-0.28mm (10-60 mesh). Adopting DC power supply, welding wire connected to positive rod, excellent welding process performance, stable arc, excellent slag removal performance, and beautiful welding formation. The weld seam has excellent crack resistance and high low-temperature impact toughness.

SLDSJ603W


SLDSJ603W is a fluorine-alkali alkaline (B ≈ 2.0) sintered flux, with spherical particles and particle size of 2.0-0.28mm (10-60 mesh). It is used for both AC and DC purposes, with stable arc stability, good high-temperature slag removal performance, and strong resistance to porosity. The flux contains deoxidizers and alloying agents, and the weld seam has excellent low-temperature impact toughness.

SLDHJ431


SLDHJ431 is a melting type high manganese, high silicon, and low fluorine solder, consisting of red brown to light yellow glassy particles with a particle size of 8-40 mesh. It can be used for both AC and DC, and the welding wire is connected to the positive rod during DC. The welding process has good performance, easy slag removal, and beautiful weld formation.

SLDHJ350


SLDHJ350 is a melting type medium manganese medium silicon medium fluorine flux, consisting of red brown to light yellow glassy particles with a particle size of 8-40 mesh. It can be used for both AC and DC, and the welding wire is connected to the positive rod during DC. The welding process has good performance, easy slag removal, and beautiful weld formation.

SLDSJ80M


SLDSJ80M flux is an aluminum titanium type acid sintered flux with a alkalinity of 0.5-0.8. Grey circular particles with a particle size of 2.0-0.28mm (10-60 mesh). It can be used for both AC and DC, and the welding wire is connected to the positive rod during DC. Stable arc combustion, easy slag removal, and beautiful weld formation. Flux has strong resistance to porosity and is not sensitive to a small amount of rust and high-temperature oxide film. Welding has a low specific gravity and a relatively low melting amount.

SLDSJ70M


SLDSJ70M flux is an aluminum titanium type acid sintered flux with a alkalinity of 0.5-0.8. Grey circular particles with a particle size of 2.0-0.28mm (10-60 mesh). It can be used for both AC and DC, and the welding wire is connected to the positive rod during DC. Stable arc combustion, easy slag removal, and beautiful weld formation. Flux has strong resistance to porosity and is not sensitive to a small amount of rust and high-temperature oxide film. Welding has a low specific gravity and a relatively low melting amount.

SLDSJ60M


SLDSJ60M flux is an aluminum titanium type acid sintered flux with a alkalinity of 0.5-0.8. Grey circular particles with a particle size of 2.0-0.28mm (10-60 mesh). It can be used for both AC and DC, and the welding wire is connected to the positive rod during DC. Stable arc combustion, easy slag removal, and beautiful weld formation. Flux has strong resistance to porosity and is not sensitive to a small amount of rust and high-temperature oxide film. Welding has a low specific gravity and a relatively low melting amount.

SLDSJ503


SLDSJ503 is an aluminum titanium type weakly acidic sintered flux, with a alkalinity of 0.7-0.9 and circular particles with a particle size of 2.0-0.28mm (10-60 mesh). It has excellent welding technology, stable arc combustion, good slag removal performance, and beautiful weld formation. Flux has strong resistance to porosity and is not sensitive to a small amount of rust and high-temperature oxide film. It can be used for both AC and DC, and the welding wire is connected to the positive rod during DC.

SLDSJ501


SLDSJ501 is an aluminum titanium type acidic sintered flux with a alkalinity of 0.5-0.8 and circular particles with a particle size of 2.0-0.28mm (10-60 mesh). It has excellent welding technology, stable arc combustion, good slag removal performance, and beautiful weld formation. Flux has strong resistance to porosity and is not sensitive to a small amount of rust and high-temperature oxide film. It can be used for both AC and DC, and the welding wire is connected to the positive rod during DC.

SLDSJ301


SLDSJ301 is a silicon calcium type sintered flux with a alkalinity of about 1.0 and circular particles with a particle size of 2.0-0.28mm (10-60 mesh). It has excellent welding technology, stable arc combustion, good slag removal performance, and beautiful weld formation. The physical characteristics of slag are short slag, which does not flow during short arc submerged arc welding, making it particularly suitable for welding various types of circumferential seams. It can be used for both AC and DC, and the welding wire is connected to the positive rod during DC.

SLDSJ101L


SLDSJ101L is a flu-alkali type sintered flux with a particle size of 2.0-0.28mm(10-60 mesh). It has excellent welding process, stable arc combustion, good slag removal, beautiful weld formation, low sulfur and phosphorus characteristics and strong porosity resistance. Due to the special process, the flux also has strong moisture resistance, which can greatly reduce the need for flux drying.

SLDSJ101D


SLDSJ101D is a fluorine-alkali sintered flux with an alkalinity of about 2.2, gray circular particles, and a particle size of 2.0-0.28mm (10-60 mesh). During welding, the arc combustion is stable, slag removal is easy, the weld formation is beautiful, and the deposited metal has high low-temperature impact toughness. During DC welding, the welding wire is connected to the positive rod.

SLDSJ101Q


SLDSJ101Q belongs to the fluorine alkali alkaline sintered flux, with a particle size of 2.0-0.28mm (10-60 mesh) and an alkalinity of about 1.8. It can be used for both AC and DC purposes. Stable arc combustion, easy slag removal, beautiful weld formation, and high low-temperature impact toughness of the weld metal.

SLDSJ101G


SLDSJ101G flux is a special sintered flux for X60-X70 grade submerged arc welding of pipes, with a alkalinity of about 1.8. It is a white circular particle with a particle size of 2.0-0.4mm (10-45 mesh). It can be used for both AC and DC, and the welding wire is connected to the positive rod during DC. Stable arc combustion, easy slag removal, and beautiful weld formation. The weld seam has high low-temperature impact toughness. Due to the use of special production processes, the flux has good moisture resistance, small welding loose weight, and low flux consumption during the welding process.
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