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Customized Metallurgical Equipment Field Forged Gears Discs
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Metallurgical Equipment Field Forged Gears Discs

Metallurgical Equipment Field Forged Gears Discs

Application scenarios: Main drive gears of rolling mills (herringbone gears and cylindrical gears for hot rolling mills and cold rolling mills), gears in continuous caster transmission gearboxes, gears for metallurgical cranes, etc.
Working conditions: Withstand extremely high rolling torque (tens of thousands of N·m), high temperature (partially close to 1000°C), and alternating stress; large in size (1-5 meters in diameter).

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  • Performance Requirements
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Performance Requirements

Commonly used materials:
4140/EN19/42CrMo4: It has excellent comprehensive mechanical properties and good hardenability. After quenching and tempering, its tensile strength is ≥1000MPa, with outstanding high-temperature strength and wear resistance. It is suitable for rolling mill gears under high-torque and high-temperature environments.
35CrMo: Its strength is slightly lower than that of 42CrMo, but it has better toughness and can better adapt to the impact load of equipment such as continuous casters.

Material Heat Treatment Key Characteristics Typical Applications
4140 / EN19 / 42CrMo4 Quenching and Tempering Excellent comprehensive mechanical properties, good hardenability, tensile strength ≥1000MPa, outstanding high-temperature strength, and wear resistance Rolling mill gears (high-torque, high-temperature environments)
35CrMo Quenching and Tempering Slightly lower strength than 42CrMo, better toughness, adapts to impact loads Equipment with impact loads (e.g., continuous casters)
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