钢材大致可分为四类：炭素钢，合金钢，高强度低合金钢和不锈钢。
There are four broad classifications of steel: carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
所有轴类零部件均采用优质45号钢材调制处理加工而成。
All axis adopt high quality parts are all 45 steel modulation processing and processed.
钢材大致辞可分为四类，即：碳素钢、合金钢、高强度低合金钢和不锈钢。
There are four broad classifications of steel : carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
FS12A适用于所有铁类金属及合金钢材。
箱体类主要部件（立轴箱、分动箱、卷扬机等）材质采用压力铸造高强度铝基合金替换原有普通钢材；
Box main components (vertical axle box, transfer case, hoist, etc. ) adopts the pressure casting of high strength aluminum alloy to replace the original ordinary steel;
箱体类主要部件（立轴箱、分动箱、卷扬机等）材质采用压力铸造高强度铝基合金替换原有普通钢材；
Box main components (vertical axle box, transfer case, hoist, etc. ) adopts the pressure casting of high strength aluminum alloy to replace the original ordinary steel;
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