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不锈铁是不锈钢的一种，其材质主要有409、410、430、444等，属于马氏体和铁素体不锈钢，它们会被吸铁石吸引。而不锈钢统一指可以抵抗大气

或酸等化学介质腐蚀的钢材。但不锈钢并非不生锈，它只是在不同介质中的腐蚀行为不同罢了。常见的不锈钢材料以金相组织划分，能够分为马氏

体不锈钢、铁素体不锈钢和奥氏体不锈钢三种类型。430不锈铁是一种由低碳钢经过加工制成的不锈钢，它具有304不锈钢表面不会有任何污染物残

留和金属之间产生缝隙。因此这种不锈钢通常被称为不锈耐酸钢或奥氏体不锈钢。此外它们也是不锈钢不锈中硬度相对较低一点但也不超过304,它

们被广泛用于制造精密部件。

Unstainless iron is a kind of stainless steel, its material is mainly 409,410,430,444, etc., belongs to martensite and ferritic stainless steel, they will be attracted

by magnet. And stainless steel uniform refers to the steel that can resist the corrosion of chemical media such as atmosphere or acid. But stainless steel is not

without rust, it is just in a different corrosion behavior in different media. Common stainless steel materials are divided into metallographic tissue, which can

be divided into martensite stainless steel, ferrite stainless steel and austenitic stainless steel.430 stainless iron is a kind of stainless steel made of low carbon

steel, it has 304 stainless steel surface without any pollutant residue between the metal gap. Therefore this stainless steel is often known as rust-free acid-

resistant steel or austenitic stainless steel. In addition, they are also stainless steel with a relatively low hardness but no more than 304, and they are widely

used to make precision parts.