A kind of heat-resistant wear-resistant alloy steel and preparation method thereof
An alloy steel, heat-resistant technology, applied in the field of metal materials, can solve the problems of low heat resistance and wear resistance, low wear resistance, etc., to improve strength, toughness, heat resistance, and high temperature wear resistance Effect
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Embodiment 1
[0032] The composition and weight percentage of heat-resistant and wear-resistant steel are: C: 0.28%, Cr: 17.5%, Mn: 17.5%, Si: 0.8%, Ti: 0.7%, W: 1.4%, P≤0.02%, S≤0.02 %, Y: 0.15%, Ce: 0.15% and Al: 0.03%, and the balance is Fe.
[0033] Put scrap steel, low-carbon ferrochromium, electrolytic manganese and other raw materials into the electric arc furnace, melt them, fully stir the molten steel, and make slag. Oxygen blowing at 1585°C, liquid pressure 0.8MPa, time 8 minutes; insert 1.2Kg70% aluminum-20% silicon-10% calcium wire per ton of molten steel, add alloy materials according to composition requirements, and add 1% carbon to the liquid surface -50% silicon-49% calcium composite powder, make slag, the slag amount reaches 3.6%, add ferro-titanium and ferro-tungsten after keeping for 20 minutes; pour molten steel into the baked ladle, add 0.2% yttrium to the bottom of the ladle -Cerium-based mixed rare earth, particle size 3~5mm, tapping temperature 1635°C; casting pouri...
Embodiment 2
[0036] Heat-resistant and wear-resistant steel, its composition by weight percentage is: C: 0.3%, Cr: 18%, Mn: 18%, Si: 1.0%, Ti: 0.8%, W: 1.6%, P≤0.02%, S≤ 0.02%, Y: 0.2%, Ce: 0.2%, Al: 0.035%, and the balance is Fe.
[0037] Put scrap steel, low-carbon ferrochrome, electrolytic manganese and other raw materials into the electric arc furnace, melt them, fully stir the molten steel, and make slag. Oxygen blowing at 1590°C, liquid pressure 0.7MPa, time 7 minutes; insert 1.3Kg70% aluminum-20% silicon-10% calcium wire into each ton of molten steel, add alloy materials according to composition requirements, and add 1% carbon to the liquid surface -50% silicon-49% calcium composite powder, make slag, the slag amount reaches 3.7%, add ferro-titanium and ferro-tungsten after keeping for 20 minutes; pour molten steel into the baked ladle, add 0.3% yttrium to the bottom of the ladle -Cerium-based mixed rare earths, particle size 3~5mm, tapping temperature 1630°C; casting pouring tempe...
Embodiment 3
[0040] Heat-resistant and wear-resistant steel, its composition by weight percentage is: C: 0.33%, Cr: 18.5%, Mn: 18.5%, Si: 1.1%, Ti: 0.9%, W: 1.8%, P≤0.02%, S≤ 0.02%, Y: 0.25%, Ce: 0.25%, Al: 0.045%, and the balance is Fe.
[0041] Put scrap steel, low-carbon ferrochrome, electrolytic manganese and other raw materials into the electric arc furnace, melt them, fully stir the molten steel, and make slag. Oxygen blowing at 1600°C, liquid pressure 0.9MPa, time 9 minutes; insert 1.4Kg70% aluminum-20% silicon-10% calcium wire into each ton of molten steel, add alloy materials according to composition requirements, and add 1% carbon to the liquid surface -50% silicon-49% calcium composite powder, make slag, the slag amount reaches 3.9%, add ferro-titanium and ferro-tungsten after keeping for 20 minutes; pour molten steel into the baked ladle, add 0.45% yttrium to the bottom of the ladle -Cerium-based mixed rare earths, particle size 3~5mm, tapping temperature 1635°C; casting pouri...
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