论文部分内容阅读
合金結構鋼和合金工具鋼的合金元素总含量很少超过5.5%,它們只能算是低合金鋼(3%以下)或中合金鋼(3~5.5%)。由于工业的发展,需要有合金含量很高的鋼种,这就是高合金鋼。高合金鋼具有一些特殊性能,例如不会生銹,受得住酸、硷和海水的侵蝕,沒有磁性或者永远有磁性,或者很快有磁性而又立刻能捎除磁性,等等。它們都有特殊的用途。因此我們管它們叫特殊用途鋼。
Alloy steel and alloy tool steel alloy elements rarely exceed 5.5% of total content, they can only be considered low alloy steel (3%) or medium alloy steel (3 ~ 5.5%). Due to industrial development, the need for high alloy steel grades, which is high alloy steel. High-alloy steel has some special properties, such as no rust, acid, alkali and sea water erosion, no magnetic or always have magnetic, or quickly have a magnetic and can immediately remove the magnetism, and so on. They all have special uses. So we call them special purpose steels.