Tubular Welding Wire Flux Cored Mig Wire

Flux-cored wire is also called powder-cored wire and tubular wire. It is divided into two categories: gas-entrained and non-gas-protected. The surface of the flux-cored wire is the same as that of the solid wire, and is made of materials such as low-carbon steel or low-alloy steel with good plasticity. The manufacturing method is to first roll the steel strip into a U-shaped section shape, then fill the solder powder prepared according to the dosage into the U-shaped steel strip, roll it tightly with a rolling mill, and finally make it into different specifications by drawing. cored wire.

From the perspective of development and application of flux cored wire, it can be classified as follows:

Slagging-type gas-shielded flux-cored wire can be divided into CO2 gas-shielded flux-cored wire, the main varieties are used for carbon steel, 50 kg low-alloy structural steel (all-position welding), high-strength steel (60-70 kg), low temperature Steel (-45℃, -60℃ impact toughness), heat-resistant steel (1.25Cr-0.5Mo series, 2.25Cr-1Mo series), weather-resistant steel (painted and non-painted), stainless steel (welded SUS304, 304L, 316 , 316L, 317, 317L, 321, 347, 309S stainless steel), wear-resistant surfacing (Hv250, Hv350, Hv450, Hv600).

Slagging-type gas-shielded flux-cored wire can be divided into Ar-rich mixed gas shielded flux-cored wire, the main varieties are used for carbon steel, 50 kg low-alloy structural steel (all-position welding), high-strength steel (60-70 kg) , Low temperature steel (-45 ℃, -60 ℃ impact toughness), wear-resistant surfacing (13Cr-2Ni series).

Metal powder cored flux cored wire can be divided into CO2 gas shielded flux cored wire, the main varieties are used for carbon steel, 50 kg grade low alloy structural steel, high strength steel (60 kg grade), wear , Hv800).

Metal powder cored flux cored wire can be divided into Ar-rich mixed gas shielded flux cored wire, the main varieties are used for carbon steel, 50 kg low alloy structural steel, low temperature steel (-60 °C impact toughness), stainless steel (13Cr-5Ni series , 13Cr-4Ni-Mo series, 17Cr series), wear-resistant surfacing welding (13Mn series, 16Mn-16Cr series). The main varieties of self-shielding flux-cored wire are used for carbon steel, 50 kg low-alloy structural steel and wear-resistant surfacing.

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