301 stainless steel is an austenitic stainless steel with a chemical composition of 17 percent chromium and 7 percent nickel, which provides good strength and ductility when cold worked. Besides, it also has excellent corrosion resistance properties.
302 stainless steel is an austenitic stainless steel that has 18% chromium and 8% nickel. Its chemical composition relies heavily on reasonable alloy design to achieve a series of excellent properties.
303 stainless steel is an austenitic, easy-cutting wear-resistant acid stainles steel containing sulfur and selenium respectively. It is used in situations where easy cutting and high surface finish are required.
309 stainless steel is a stainless steel material with excellent corrosion resistance and high temperature performance. It is widely used in aviation, chemical industry, petroleum, food and other fields.
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