1. Classification of pressed metal types Rolling steel products are called black rolls. Rolling non-ferrous metal materials (copper, aluminum, etc.) products are called non-ferrous rolls.
The performance and quality of a roll generally depend on its chemical composition and manufacturing method and can be assessed by its structure, physical and
1. Rolls are mainly divided into three categories according to the material: cast iron rolls, cast steel rolls and forged steel rolls. Among them, the
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