Search results for keyword: 美国黑色金属的牌号表示方法
American ferrous metal designation method
美国黑色金属的牌号表示方法
美国的钢铁行业使用一种称为牌号的编码系统来对黑色金属进行划分和分类，牌号具体分类包括了部分可融入钢的非金属元素以及钢的化学和机械特性等。牌号可以是一位数，也可能是两位数，在美国注册的钢铁行业协会（AISI）以及它的商业伙伴们都可以针对黑色金属所列出的牌号规范。
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