Boron-containing high-silicon bainite wear-resistant corrosion-resistant alloy and manufacturing method thereof
A technology of corrosion-resistant alloy and manufacturing method, which is applied in the field of steel preparation, can solve problems such as insufficient toughness, poor wear resistance, and low initial hardness, and achieve improved seawater corrosion resistance, excellent strength-toughness coordination, and refined as-cast structure Effect
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Embodiment 1
[0041] A boron-containing high-silicon bainite wear-resistant and corrosion-resistant alloy, its chemical composition is 0.45%C, 2.15%Si, 0.92%Mn, 2.6%Cr, 0.35%Mo, 0.38%Ni, 0.41%Cu, 0.2%Ti , 0.1% B, 0.05% Ce, 0.08% Nb, 0.016% P, 0.011% S, and the rest is Fe. The specific preparation steps are as follows: first put the calculated and weighed returned materials and ordinary steel scrap into the induction furnace for smelting, and add calculated and weighed ferromolybdenum, nickel plate, ferrochrome, copper plate, ferroniobium and ferromanganese during the smelting process , ferrosilicon, after the furnace charge is melted, use a carburant to adjust the carbon content; then raise the melt temperature to 1600-1620°C and then insert aluminum for one-time deoxidation, the amount of aluminum added is 0.15-0.3% of the weight of the alloy melt; then Add ferro-titanium and ferro-boron. After the molten steel is melted and slag removed, aluminum is inserted for secondary deoxidation. The...
Embodiment 2
[0043] A boron-containing high-silicon bainite wear-resistant and corrosion-resistant alloy, its chemical composition is 0.42%C, 2.25%Si, 0.85%Mn, 2.32%Cr, 0.37%Mo, 0.31%Ni, 0.35%Cu, 0.22%Ti , 0.1% B, 0.055% Ce, 0.07% Nb, 0.014% P, 0.010% S, and the rest is Fe. The specific preparation steps are as follows: first put the calculated and weighed returned materials and ordinary steel scrap into the induction furnace for smelting, and add calculated and weighed ferromolybdenum, nickel plate, ferrochrome, copper plate, ferroniobium and ferromanganese during the smelting process , ferrosilicon, after the furnace charge is melted, use a carburant to adjust the carbon content; then raise the melt temperature to 1600-1620°C and then insert aluminum for one-time deoxidation, the amount of aluminum added is 0.15-0.3% of the weight of the alloy melt; then Add ferro-titanium and ferro-boron. After the molten steel is melted and slag removed, aluminum is inserted for secondary deoxidation. ...
Embodiment 3
[0045] A boron-containing high-silicon bainite wear-resistant and corrosion-resistant alloy, its chemical composition is 0.35%C, 2.12%Si, 0.95%Mn, 1.92%Cr, 0.34%Mo, 0.41%Ni, 0.32%Cu, 0.18%Ti , 0.1% B, 0.054% Ce, 0.06% Nb, 0.018% P, 0.014% S, and the rest is Fe. The specific preparation steps are as follows: first put the calculated and weighed returned materials and ordinary steel scrap into the induction furnace for smelting, and add calculated and weighed ferromolybdenum, nickel plate, ferrochrome, copper plate, ferroniobium and ferromanganese during the smelting process , ferrosilicon, after the furnace charge is melted, use a carburant to adjust the carbon content; then raise the melt temperature to 1600-1620°C and then insert aluminum for one-time deoxidation, the amount of aluminum added is 0.15-0.3% of the weight of the alloy melt; then Add ferro-titanium and ferro-boron. After the molten steel is melted and slag removed, aluminum is inserted for secondary deoxidation. ...
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