Specialty carbon steel electrodes with a medium carbon content deposit
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[0008] The invention has a special carbon steel electrode with medium carbon content deposited metal, the electrode includes a welding core and a coating, the welding core is a medium carbon steel core, and the formula components of the coating are rutile 7-12wt%, Marble 42-48 wt %, Fluorite 18-22 wt %, Ferrosilicon 9-12 wt %, Electrolytic Manganese 5-8 wt %, High Carbon Ferrochrome 1.5-2.8 wt %, Nickel Powder 2-4 wt %, Ferro-Titanium 0.8-1.5 wt %, ferromolybdenum 0.3-1.0 wt %, and the balance is Fe.
[0009] Further, the medium carbon steel core is 45# steel core or medium carbon alloy steel core.
[0010] Furthermore, the medium-carbon alloy steel core is a high-quality carbon structural steel with a grade of 45Mn.
[0011] After welding with this electrode, the weight percentages of the main chemical components of the deposited metal are: C 0.25-0.55%, Si 0.3-1.5%, Mn 0.8-2.5%, Mo 0.2-1.4%, Ni 0.3-2.0%, Cr ≤1.0%, S≤0.02%, P≤0.02%, Ti 0.01~0.04%, and the rest is Fe; Cr, Mo...
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