GRADE : SSA 1191/ 7225 / 7218 / 6582 / 5919 / 7131 8620 Machinery steel refers to a variety of steel alloys that are specifically chosen for their suitability in mechanical engineering applications. These steels are characterized by their strength, toughness, and ability to be heat-treated to achieve desired mechanical properties. Common applications include gears, shafts, axles, and other components subject to high stress and wear. 机械钢是指专为机械工程应用而精选的各种合金钢。这些钢的特点是强度高、韧性好,并且易于热处理以达到所需的机械性能。常见的应用包括齿轮、轴、轮轴以及其他承受高应力和磨损的部件。