Abrasion-resistant alloy cast iron material with high hardness for chute lining plate, and preparation method thereof
A wear-resistant alloy, high-hardness technology, applied in the field of metal wear-resistant materials, can solve the problem of not being able to meet high hardness and high impact toughness at the same time, and achieve the effects of increasing hardness, enhancing stability, and improving red hardness
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[0033] Example 1
[0034] The high-hardness wear-resistant alloy cast iron material for the chute liner of this embodiment is composed of the following mass fractions of chemical composition: C2.7%, Si0.4%, Mn0.9%, Cr21.5%, Mo1.0%, Cu1.1%, W0.6%, V0.2%, Ti0.07%, B0.001%, RE0.05%, Y0.05%, Al0.07%, S≤0.06%, P≤0.06%, The rest is Fe.
[0035] The preparation method of the high hardness and wear-resistant alloy cast iron material for the chute liner of this embodiment includes the following steps:
[0036] 1) Add scrap steel, ferrochrome, ferromolybdenum, ferro tungsten, waste brass, ferromanganese, ferrovanadium, ferro-titanium, and ferro-boron to the furnace according to the formula to smelt into molten iron. The smelting temperature is 1520℃;
[0037] 2) Add rare earth silicon with a particle size of 5mm to the molten iron according to the formula for a one-time modification treatment, and pour out the molten iron when the temperature measured by the thermometer is 1520-1560℃;
[0038] ...
Example Embodiment
[0040] Example 2
[0041] The high-hardness and wear-resistant alloy cast iron material for the chute liner of this embodiment is composed of the following mass fractions of chemical components: C2.6%, Si0.65%, Mn1.0%, Cr22.5%, Mo1.1%, Cu1.0%, W0.8%, V0.1%, Ti0.09%, B0.003%, RE0.07%, Y0.07%, Al0.04%, S≤0.06%, P≤0.06%, the rest For Fe.
[0042] The preparation method of the high hardness and wear-resistant alloy cast iron material for the chute liner of this embodiment includes the following steps:
[0043] 1) Add scrap steel, ferrochrome, ferromolybdenum, ferro tungsten, waste brass, ferromanganese, ferro-vanadium, ferro-titanium, and ferro-boron to the furnace according to the formula to smelt into molten iron. The melting temperature is 1540℃;
[0044] 2) Add rare earth silicon with a particle size of 8mm to the molten iron according to the formula for a one-time modification treatment, and pour out the molten iron when the temperature measured by the thermometer is 1520-1560°C;
[...
Example Embodiment
[0047] Example 3
[0048] The high-hardness wear-resistant alloy cast iron material for the chute liner of this embodiment is composed of the following mass fractions of chemical composition: C3.0%, Si1.0%, Mn0.75%, Cr23%, Mo1.2%, Cu0. 8%, W0.75%, V0.19%, Ti0.12%, B0.0028%, RE0.04%, Y0.04%, Al0.08%, S≤0.06%, P≤0.06%, the rest are Fe.
[0049] The preparation method of the high hardness and wear-resistant alloy cast iron material for the chute liner of this embodiment includes the following steps:
[0050] 1) Add scrap steel, ferrochrome, ferromolybdenum, ferro tungsten, waste brass, ferromanganese, ferrovanadium, ferro-titanium, and ferro-boron to the furnace according to the formula to smelt into molten iron at a smelting temperature of 1560℃;
[0051] 2) Add rare earth silicon with a particle size of 6mm to the molten iron according to the formula amount for a one-time modification treatment, and pour out the molten iron when the temperature measured by the thermometer is 1520-1560...
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