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  • Hot Rolling Theory

    By definition, ingot and billet at room temperature is very difficult to deformation, not easy processing, general rolling heating to 1100 ~ 1250 ℃, the rolling technology called hot rolled. Hot end temperature is 800 ~ 900 ℃, generally in the air after cooling, and hot rolling state is equivalen...
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  • Cold Rolling Theory

    Cold rolling refers to the rolling method of squeezing steel with the pressure of roll and changing the shape of steel at room temperature. Although the process also heats up the steel sheet, it is still called cold rolling. To be specific, hot rolled coil is used as raw material for cold rolling...
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  • Difference between Cold Rolling and Hot Rolling

    The difference between cold rolling and hot rolling is mainly the temperature of rolling process. “Cold” is normal temperature, “hot” is high temperature. From the viewpoint of metallography, the boundary between cold rolling and hot rolling should be distinguished by recr...
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  • Carry out the Internal Training of “Forging Super Exercising Training Camp”

    Carry out the Internal Training of “Forging Super Exercising Training Camp”

    Mr. Zheng Wensheng, the chairman of “Leading Consulting (China) Group Co., Ltd.”, went to the company to conduct a one-day “Extreme Execution” training.
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