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Austenitic such as SUS304, ferritic such as SUS405 having strong magnetism, martensitic such as SUS420 that can be heat-treated used in medical instruments such as scalpels, precipitation hardening systems such as SUS630 which has excellent strength and is used as heat-resistant steel, Furthermore, in recent years, there are five main types of stainless steel, including duplex stainless steel represented by SUS329, which has excellent corrosion resistance and strength in a chloride environment consisting of austenitic and ferrite phases. What all five types have in common is that they are work hardened, have low thermal conductivity, and are easy to weld.
(FAQID:349)