Heat resistant, high-strength and wear resistant ball with high hardness for ball grinder
A wear-resistant ball and ball mill technology, applied in the field of wear-resistant materials, can solve the problems of heat resistance, impact resistance, hardness, heat resistance, wear resistance and toughness.
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[0022] Example 1
[0023] The heat-resistant, high-strength, high-hardness and wear-resistant balls used in the ball mill of the present invention are composed of: C: 1.3%, Mn: 0.12%, Si: 0.81%, Ni: 0.33%, Cr: 4.2%, Mo: 1.3%, V: 1.0%, Nb: 0.2%, Ca: 0.038%, Zr: 0.015%, Cu: 0.03%, S: 0.022%, P: 0.031%, the balance is Fe and inevitable impurities;
[0024] The heat-resistant, high-strength, high-hardness and wear-resistant balls for the ball mill are prepared according to the above-mentioned composition ratio according to the following process:
[0025] S1. Add the scrap steel into the intermediate frequency induction melting furnace, and heat it to 1500°C, add ferrochromium, ferromolybdenum, ferrovanadium and ferroniobium after holding for 45 minutes, add ferrosilicon and ferromanganese after complete melting, and heat up to 1530°C for heating After the molten steel is completely melted, nickel alloy, silicon-calcium alloy, and zirconium iron are added, and each raw material is...
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[0030] Example 2
[0031] The heat-resistant, high-strength, high-hardness and wear-resistant balls used in the ball mill of the present invention are composed of: C: 2.0%, Mn: 0.22%, Si: 0.53%, Ni: 0.21%, Cr: 5.5%, Mo: 1.5%, V: 0.9%, Nb: 0.5%, Ca: 0.01%, Zr: 0.012%, Cu: 0.01%, S: 0.025%, P: 0.029%, the balance is Fe and inevitable impurities;
[0032] The heat-resistant, high-strength, high-hardness and wear-resistant balls for the ball mill are prepared according to the above-mentioned composition ratio according to the following process:
[0033] S1. Add the scrap steel into the intermediate frequency induction melting furnace, and heat it to 1520°C, add ferrochromium, ferromolybdenum, ferrovanadium, and ferroniobium after holding for 20 minutes, add ferrosilicon and ferromanganese after complete melting, and heat up to 1570°C for heating After the molten steel is completely melted, nickel alloy, silicon-calcium alloy, and zirconium iron are added, and each raw material is...
Example Embodiment
[0038] Example 3
[0039] The heat-resistant, high-strength, high-hardness and wear-resistant balls used in the ball mill of the present invention are composed of: C: 1.7%, Mn: 0.46%, Si: 0.74%, Ni: 0.45%, Cr: 5.95%, Mo: 1.1%, V: 0.7%, Nb: 0.4%, Ca: 0.024%, Zr: 0.01%, Cu: 0.015%, S: 0.022%, P: 0.03%, the balance is Fe and inevitable impurities;
[0040] The heat-resistant, high-strength, high-hardness and wear-resistant balls for the ball mill are prepared according to the above-mentioned composition ratio according to the following process:
[0041] S1. Add the scrap steel into the intermediate frequency induction melting furnace, and heat it to 1508 °C, add ferrochromium, ferromolybdenum, ferrovanadium, and ferroniobium after holding for 33 minutes, add ferrosilicon and ferromanganese after complete melting, and heat up to 1554 °C for heating After the molten steel is completely melted, nickel alloy, silicon-calcium alloy, and zirconium iron are added, and each raw material...
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