강철 식별 방법

그만큼 미국 철 및 강철 연구소 용도 세발 숫자 to 표시 다양한 표준 등급 of 가단성 스테인리스 강철. Among them: ① 오스테나이트 스테인리스 강철 is marked with numbers from the 200 and 300 series, for example, some more ordinary austenitic stainless steels are marked with numbers 201, 304, 316, and 310,
② Ferritic and martensitic stainless steels are represented by 400 series numbers.
③ 페라이트 스테인리스 스틸 is marked with 430 and 446, and Martensitic stainless steel is marked with 410, 420 and 440C,
④ Stainless steel, precipitation hardened stainless steel, and high alloys with an iron content of less than 50 percent are usually named under patent or trademark names.