<*n style="font-size:14px;">不同类型的轧机以及同类型而使用条件不同的轧机，对所用的轧辊性能要求不尽雷同，如方坯和板坯初轧机轧辊要具有好的扭转和弯曲强度、韧性、咬入性、*热裂性和热冲击性以及*性；而热带精轧机架要求轧辊辊面的高硬度、*压痕、*、*剥落和耐热裂等性能。

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<*n style="font-size:14px;">Different types of rolling mill and the same type and the use of different conditi* on properties of roll mill， requirements for not identical， such as billet and slab mill roll with good torsional and bending strength， toughness， bite， thermal cracking resistance and thermal shock resistance and abrasion resistance; tropical finishing stand requirements the roller surface hardness， wear resistance，crane rail哪家好， *lling resistance，crane rail生产， indentation resistance and thermal cracking performance.<*n style="font-size:14px;">

<*n style="font-size:14px;">初轧机、钢坯连轧机、大型型钢和轨梁轧机、热轧板带钢轧机*鳞和轧边机、型钢轧机的轧边机，还有小型型钢、线棒材轧机的粗轧机架等轧机使用的轧辊，大多采用整体铸造方法生产，这类轧辊使用层较厚，四平crane rail，孔型较深。

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<*n style="font-size:14px;">The rolling mill of rolling mill， billet rolling mill， large type steel and rail beam mill，crane rail生产商， hot rolled strip mill break scale， rolling edge mill， type steel universal mill， and rolling mill used in *all steel and wire rod mill are mostly produced by the whole casting method， which is thicker and deeper.<*n style="font-size:14px;">

<*n style="font-size:14px;">轧辊按材质主要分为哪几种类别？

<*n style="font-size:14px;">轧辊按制造材料主要划分为铸钢系列轧辊、铸铁系列轧辊和锻造系列轧辊三大类别。

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<*n style="font-size:14px;">What are the main categories of the roll according to the material?

<*n style="font-size:14px;">Rolls are mainly divided i* three categories: cast steel series rolls， cast ir*eries rollers and forging series rolls.