High-strength anti-abrasion anti-corrosion alloy steel material and preparation method thereof

[0037] The present invention also provides a preparation method for the high-strength and wear-resistant alloy steel material described in the above technical solution, comprising the following steps:

[0038] (1) Melting steel source, chromium source, deoxidizer, silicon source, molybdenum source, nickel source, manganese source and rare earth cerium to obtain molten steel;

[0039] (2) casting the molten steel obtained in the step (1) to obtain an alloy steel casting;

[0040] (3) performing annealing, quenching and tempering sequentially on the alloy steel casting obtained in the step (2) to obtain an anti-corrosion alloy steel material.

[0041]The invention melts steel source, chromium source, deoxidizer, silicon source, molybdenum source, nickel source, manganese source and rare earth cerium to obtain molten steel. In the present invention, the chromium source is preferably ferrochromium, the steel source is preferably steel scrap, the silicon source is preferably ferro...

[0058] A high-strength and corrosion-resistant alloy steel material, including the following components in weight percentage: C: 0.26%, Cr: 7.11%, Si: 0.83%, Mn: 0.67%, Mo: 0.42%, Ni: 0.73%, Ce: 0.2%, P≤0.04%, S≤0.04%, the balance is Fe.

[0059] Its preparation method steps are as follows:

[0060] ① Use scrap steel, ferrochromium, aluminum deoxidizer, ferrosilicon, ferromolybdenum, nickel plate and ferromanganese as raw materials to melt slag three times in an intermediate frequency induction furnace at 1600 ° C to obtain molten steel, in which the quality of aluminum deoxidizer is the quality of molten steel When the melting temperature of molten steel reaches 1650°C, it is poured into a ladle with a baking temperature of 800°C, and the required mass percentage of rare earth cerium is added to the bottom of the ladle, and the molten steel is poured into the casting In the mold, alloy steel castings are obtained;

[0061] ② The obtained alloy steel castings were annealed a...

[0064] A high-strength and corrosion-resistant alloy steel material, including the following components in weight percentage: C: 0.26%, Cr: 7.10%, Si: 1.57%, Mn: 0.69%, Mo: 0.42%, Ni: 0.72%, Ce: 0.2%, P≤0.04%, S≤0.04%, the balance is Fe.

[0065] Its preparation method steps are as follows:

[0066] ①Using scrap steel, ferrochromium, aluminum deoxidizer, ferrosilicon, ferromolybdenum, nickel plate and ferromanganese as raw materials, melt slag four times in an intermediate frequency induction furnace at 1620°C to obtain molten steel, in which the quality of aluminum deoxidizer is the quality of molten steel When the melting temperature of molten steel reaches 1620°C, it is poured into a ladle with a baking temperature of 900°C, and the required mass percentage of rare earth cerium is added to the bottom of the ladle, and the molten steel is poured into the casting In the mold, alloy steel castings are obtained;

[0067] ② The obtained alloy steel castings were annealed at a ...