亚细晶粒,中速加工,通用性能好,推荐制作加工钻头,立铣刀,适合加工普通合金钢、铝合金、耐热合金、铸铁等。
Sub-fine grain size, processing by medium speed , good general performance, drill bits and end mills are recommended, suitable for cutting ordinary alloy steel, aluminum alloy, heat resistant alloy, castiron, etc.