タイトルまたは説明

 American iron and steel institute (AISI) use three numbers to clarify different types of steel which are **0, **0, **0 and **0 series. According to the components which could be discriminate into “nickel-chromium-manganese, chromium-nickel and chromium series.” The main element of Martensitic stainless steel is chromium, which could be enhanced by heat treatment and possess magnetic; **0 are more commonly used materials in **0 series which could be used in lower corrosive, higher strength, hardness and wear-resisting environments.