Stainless steel electrode special for magnesium reduction pot
A technology of stainless steel and reduction tank, which is applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc. It can solve the problems of lower yield, easy occurrence of hot cracks, and inability to match the base metal, etc., to achieve cost reduction, The effect of high welding efficiency and good crack resistance
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Embodiment 1
[0028] Embodiment 1, get marble 43kg, fluorite 16kg, titanium dioxide 1kg, quartz 1kg, mica 1kg, ferrosilicon 4kg, ferrotitanium 5kg, ferromanganese 6kg, ferrochrome 8kg, calcium solvent 1kg, sodium carbonate 3kg, ferrochromium nitride 8kg of powder is mixed evenly, 24.25kg of 2.8M, 48°Be potassium sodium water glass is added to the dry powder and mixed evenly, and then press-coated on the H0Cr26Ni9 stainless steel welding core with a hydraulic press. The chemical composition of the stainless steel welding core is: C: 0.1, Si: 0.25, Mn: 2.0, P: 0.02, S: 0.008, Ni: 9.0, Cr: 27, Mo: 0.1, Cu: 0.1, the electrode is dried naturally for 24 hours, and then dried at high temperature. The chemical composition of the deposited metal after welding is: C: 0.1, Mn: 2.11, Si: 0.67, S: 0.009, P: 0.031, Cr: 26.63, Ni: 7.72, N: 0.19, Mo: 0.08, Cu: 0.13 , The service life of the post-weld reduction tank can reach 80 days (the prior art is 40 days).
Embodiment 2
[0029] Embodiment 2, get marble 52kg, fluorite 23kg, titanium dioxide 3kg, quartz 3kg, mica 3kg, ferrosilicon 6kg, ferrotitanium 3kg, ferromanganese 4kg, ferrochrome 12kg, calcium solvent 3kg, sodium carbonate 1kg, ferrochromium nitride Mix 12kg of powder evenly, add 31.25kg of 2.8M, 48°Be potassium sodium water glass into the dry powder and mix evenly, press-coat it on the H0Cr26Ni9 stainless steel welding core with a hydraulic press, the chemical composition of the stainless steel welding core is: C: 0.1, Si: 0.25, Mn: 2.0, P: 0.02, S: 0.008, Ni: 9.0, Cr: 27, Mo: 0.1, Cu: 0.1, the electrode is dried naturally for 24 hours, and then dried at high temperature. The chemical composition of the deposited metal after welding is: C: 0.1, Mn: 2.05, Si: 0.7, S: 0.009, P: 0.031, Cr: 26.9, Ni: 7.72, N: 0.21, Mo: 0.08, Cu: 0.13 , The service life of the post-weld reduction tank can reach 82 days (the prior art is 40 days).
Embodiment 3
[0030] Embodiment 3, get marble 50kg, fluorite 22kg, titanium dioxide 2kg, quartz 3kg, mica 3kg, ferrosilicon 5kg, ferrotitanium 3kg, ferromanganese 4kg, ferrochromium 11kg, calcium solvent 2kg, sodium carbonate 1kg, ferrochromium nitride Mix 10kg of powder evenly, add 29kg of 2.8M, 48°Be potassium sodium water glass into the dry powder and mix evenly, and apply it on the H0Cr26Ni9 stainless steel welding core with a hydraulic press. The chemical composition of the stainless steel welding core is: C: 0.1, Si : 0.25, Mn: 2.0, P: 0.02, S: 0.008, Ni: 9.0, Cr: 27, Mo: 0.1, Cu: 0.1, the electrode is dried naturally for 24 hours, and then dried at high temperature. The chemical composition of the deposited metal after welding is: C: 0.1, Mn: 2.05, Si: 0.67, S: 0.009, P: 0.031, Cr: 26.88, Ni: 7.72, N: 0.2, Mo: 0.08, Cu: 0.13 , The service life of the post-weld reduction tank can reach 80 days (the prior art is 40 days).
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