Flux welding AN

Welding flux AN 25kg, wholesale for regulating the chemical composition of the weld of steels of various grades, certain welding fluxes are combined with specially selected slags and electrode wires.

Designation: Flux brand "AN" stands for "Academy of Sciences" and indicates the developer - IES them. E. O. Paton, the numbers after AN are the flux number, and the letters after the number indicate the fractional composition: “A” - large granulation, “Ш” - small (traditional name according to the type of welding machine that is outdated today).

Welding fluxes AH are produced in accordance with GOST-9087-81. The production of fused fluxes consists in the fusion of its components (manganese ore, quartz sand, magnesite, fluorspar, etc.). The flux melt is granulated in water or crushed until a uniform grain size of a given fractional composition is obtained. A grain size of 0.25…1.6 mm corresponds to a welding wire with a cross section of 3 mm, a grain size of 0.35…3 mm corresponds to a wire with a cross section of more than 3 mm. Finer grain is obtained by crushing the casting - dry granulation.

Where is it applied?

Welding fluxes by purpose are divided into three main categories:

for alloyed and carbon steels, for high-alloyed steels and for non-ferrous metal alloys.

According to chem. In terms of composition, welding fluxes are divided into high-silicon and low-silicon, manganese-free and manganese.

According to the type of grain, vitreous (transparent) and pumiceous (porous) are distinguished. Vitreous welding fluxes are more widely used.

Electroslag welding uses both general-purpose fluxes (AN-22, AN-348A, ANF-5, 48-OF-6) and special-purpose fluxes (AN-8, AN-25). These fluxes contain titanium oxide, which gives them high electrical conductivity in the solid state. In automatic surfacing of steels, the same fluxes are used that are used for welding a particular steel grade, and alloyed wire.

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