详细说明
日本JIS标准机械结构用钢牌号:
S10CS12CS15CS17CS20CS22CS25CS28CS30CS33CS35CS38CS40CS43CS45CS48CS50CS53CS58CS09CKS15CKS20CK
日本JIS标准淬透性结构用钢牌号:
SMn420HSMn433HSMn438HSMn4443HSCr415HSCr420HSCr435HSCr440HSCM415HSCM418HSCM420HSCM435HSCM440HSCM822HSNC415HSNC631HSNC220HSNC420H