Self-protection open arc surfacing welding austenite matrix flux-cored wire and application method thereof
A technology of flux-cored welding wire and austenite, which is applied in the field of self-shielding open-arc surfacing welding austenitic matrix flux-cored wire to achieve good thermal strength, small thermal stress and strain, and good high-temperature oxidation resistance.
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Embodiment 1
[0036] During production, weigh high-carbon ferrochromium, ferro-niobium, flake graphite, ferrosilicon, ultrafine graphite, ultrafine aluminum powder and other alloy powders according to the powder core composition ratio of the above-mentioned flux cored wire. Among them, ultrafine graphite is also It needs to pass through a 500-mesh sieve, and the superfine aluminum powder needs to pass through a 300-mesh sieve, and then all the powders are passed through a 60-mesh sieve, and all components are mixed evenly. 15mm, put it into a drying furnace and heat it up to 70-80°C and keep it warm for 2 hours, then cool it to 30°C with the furnace and leave the oven. Immediately, the mixed powder was pressed into a YHZ-1 flux-cored wire forming machine manufactured by Tianjin Sanying Welding Co., Ltd. The outer sheath of the flux-cored wire is H08A cold-rolled steel strip (width 16mm×thickness 0.36mm, the same below), and the inner sheath is equipped with iron alloy, ultra-fine graphite a...
Embodiment 2
[0042] During production, weigh high-carbon ferrochrome, ferro-niobium, flake graphite, ferrosilicon, ultrafine graphite, ultrafine aluminum powder and other alloy powders according to the composition ratio requirements of the above-mentioned flux cored wire powder core, among which, ultrafine graphite is also It needs to pass through a 500-mesh sieve, and the superfine aluminum powder needs to pass through a 300-mesh sieve, and then all the powders are passed through a 60-mesh sieve, and all components are mixed evenly. 15mm, put it into the drying furnace and raise the temperature to 70-80°C and keep it warm for 2 hours, then cool it to 30°C with the furnace and take it out of the oven. Immediately, the mixed powder was pressed into a YHZ-1 flux-cored wire forming machine manufactured by Tianjin Sanying Welding Co., Ltd. The outer sheath of the flux-cored wire is H08A cold-rolled steel strip, and the powder core is composed of ferroalloy, ultra-fine graphite and ultra-fine a...
Embodiment 3
[0045] During production, weigh high-carbon ferrochrome, ferro-niobium, flake graphite, ferrosilicon, ultrafine graphite, ultrafine aluminum powder and other alloy powders according to the composition ratio requirements of the above-mentioned flux cored wire powder core, among which, ultrafine graphite is also It needs to pass through a 500-mesh sieve, and the superfine aluminum powder needs to pass through a 300-mesh sieve, and then all the powders are passed through a 60-mesh sieve, and all components are mixed evenly. 15mm, put it into the drying furnace and raise the temperature to 70-80°C and keep it warm for 2 hours, then cool it to 30°C with the furnace and take it out of the oven. Immediately, the mixed powder was pressed into a YHZ-1 flux-cored wire forming machine manufactured by Tianjin Sanying Welding Co., Ltd. The outer sheath of the flux-cored wire is H08A cold-rolled steel strip, and the powder core is composed of ferroalloy, ultra-fine graphite and ultra-fine a...
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