A kind of arc stabilizing agent for flux-cored welding wire and its manufacturing method and application
A technique for flux-cored welding wire and its manufacturing method, which is applied in the field of special arc stabilizer for flux-cored welding wire and its manufacturing field, which can solve the problems of deteriorating grain boundary performance where segregation occurs, decline in low-temperature impact toughness, and failure to play a positive role, etc., to achieve excellent Stable performance, improved low temperature impact toughness, high use value effect
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Embodiment 1
[0034] After rutile, potassium carbonate, sodium carbonate, magnesia, feldspar, and yttrium oxide were formulated into 5kg mixed powder according to the weight percentage content shown in Table 1, they were mixed and stirred in a powder mixer for 1.5 hours, and then packed into Put it into a box-type melting furnace in a stainless steel tray, raise the temperature to 850°C, and keep it warm for 4 hours for melting. After the heat preservation is over, slowly cool to room temperature with the furnace and take it out. Finally, the smelted product is crushed, and the crushed powder is sieved with a 60-mesh sieve, and the powder below 60 mesh is packed to make a finished product.
Embodiment 2
[0036] After rutile, potassium carbonate, sodium carbonate, magnesia, feldspar, and yttrium oxide are prepared into 10kg of mixed powder according to the weight percentage content shown in Table 1, mix and stir in a powder mixer for 3 hours, and then put it into Put it into a box-type melting furnace in a stainless steel tray, raise the temperature to 900°C, and keep it warm for 4 hours for melting. After the heat preservation is over, slowly cool to room temperature with the furnace and take it out. Finally, the smelted product is crushed, and the crushed powder is sieved with a 60-mesh sieve, and the powder below 60 mesh is packed to make a finished product.
[0037] Table 1 Example formula
[0038]
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