Heat-resisting steel flux-cored wire
A technology of flux-cored welding wire and heat-resistant steel, which is applied in the direction of welding medium, welding equipment, welding equipment, etc., can solve the problems of increased oxygen content in the weld metal, decreased toughness of the weld metal, and restrictions on the use of the environment, and achieves improved metal quality. Effects of toughness, improved oxidation resistance and heat strength, and ease of use
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Embodiment 1
[0033] A low-carbon steel strip of 0.8×12mm (thickness×width) is selected and rolled into a U shape by a forming machine. Take 1000 grams of mixed material as an example: take 230 grams of rutile, 15 grams of wollastonite, 190 grams of silicon manganese alloy, 85 grams of iron powder, 15 grams of nickel powder, 25 grams of cryolite, 71 grams of feldspar, 130 grams of ferrochrome, 60 grams of ferromolybdenum, 60 grams of medium-carbon ferromanganese, 27 grams of magnesia, 61 grams of quartz, 5 grams of fluorite, 15 grams of aluminum-magnesium alloy, and 11 grams of titanium iron (the particle size of the powder obtained is sufficient to pass through a 60-mesh sieve ). Put the various powders taken into the powder mixer and mix for 40 minutes, then add the mixed powder into the U-shaped groove of the low-carbon steel belt, and the filling rate is 17%; close the U-shaped groove to wrap the powder in it; then pass The wire drawing machine draws and reduces the diameter step by st...
Embodiment 2
[0036] A low-carbon steel strip of 0.8×12mm (thickness×width) is selected and rolled into a U shape by a forming machine. Take 1000 grams of mixed material as an example: take 215 grams of rutile, 19 grams of wollastonite, 200 grams of silicon manganese alloy, 86 grams of iron powder, 17 grams of nickel powder, 25 grams of cryolite, 70 grams of feldspar, 130 grams of ferrochrome, 60 grams of ferromolybdenum, 60 grams of medium-carbon ferromanganese, 25 grams of magnesia, 65 grams of quartz, 5 grams of fluorite, 15 grams of aluminum-magnesium alloy, and 8 grams of ferro-titanium (the particle size of the powder obtained is sufficient to pass through a 60-mesh sieve ). Put the various powders taken into the powder mixer and mix for 40 minutes, then add the mixed powder into the U-shaped groove of the low-carbon steel belt, and the filling rate is 16%; close the U-shaped groove to wrap the powder in it; then pass The wire drawing machine draws and reduces the diameter step by st...
Embodiment 3
[0039] A low-carbon steel strip of 0.8×12mm (thickness×width) is selected and rolled into a U shape by a forming machine. Take 1000 grams of mixed material as an example: take 210 grams of rutile, 25 grams of wollastonite, 190 grams of silicon manganese alloy, 90 grams of iron powder, 20 grams of nickel powder, 25 grams of cryolite, 70 grams of feldspar, 135 grams of ferrochrome, 60 grams of ferromolybdenum, 60 grams of medium-carbon ferromanganese, 30 grams of magnesia, 60 grams of quartz, 5 grams of fluorite, 15 grams of aluminum-magnesium alloy, and 5 grams of titanium iron (the particle size of the powder obtained is sufficient to pass through a 60-mesh sieve ). The various powders that are taken are put into the powder mixer and mixed for 40 minutes, then the mixed powder is added in the U-shaped groove of the low-carbon steel strip, the filling rate is 18%, the U-shaped groove is closed, and the powder is wrapped therein. Then, the flux-cored welding wire of the present...
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