Hot rolled strip mill roughing rolls

Hot rolled strip production lines typically include main components such as heating furnaces, roughing mills, finishing mills, and coilers. The roughing stage involves initially rolling the steel slab, heated to a suitable temperature, through a series of rollers to achieve the predetermined thickness and width specifications, preparing for subsequent finishing. This process not only requires high efficiency and continuity, but also places extremely high demands on the performance of the rollers, as the rollers directly determine the quality, output, and production cost of the rolled products.

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Rollers for hot-rolled section mills

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customer@yfroll.com

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Hot rolled strip production lines typically include main components such as heating furnaces, roughing mills, finishing mills, and coilers. The roughing stage involves initially rolling the steel billet, heated to a suitable temperature, through a series of rollers to achieve the predetermined thickness and width specifications, preparing for subsequent finishing. This process not only requires high efficiency and continuity but also places extremely high demands on the performance of the rollers, as the rollers directly determine the quality, output, and production cost of the rolled products.

Material Selection and Heat Treatment Process

The selection of materials for roughing work rolls is crucial. Commonly used materials include high-chromium cast iron, alloy cast steel, and high-speed steel. These materials are widely used due to their high hardness, good wear resistance, and hot strength.

Heat treatment is a key step in improving roller performance and includes processes such as quenching and tempering. Quenching significantly improves the hardness and wear resistance of the rollers, while tempering helps eliminate quenching stress and improve toughness and resistance to thermal fatigue. In addition, surface treatment technologies such as carburizing, nitriding, and laser quenching are also used to further improve the service life of the rollers.

Hot rolled strip finishing work roll

None

Roller

Steel strip casting with grooves

Roll ring

Steel rolling mill work roll

Product Message

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Chengde Bente Wanda Instrument Co., Ltd.

Address: Southwest of Xiaowanggezhuang, Fengrun District, Tangshan City (2000 meters east of Dalingongzhuang)
Mobile:+86-315-5426666/13832852388
Email:customer@yfroll.com

Website:www.yfroll.com

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