Medium Carbon Steel
JIS G4051 Grade S35CMedium Carbon Steel
JIS G4051 Grade S40CMedium Carbon Steel
SAE J403 Grade 1040Medium Carbon Steel
JIS E1102 Grade 30HMedium Carbon Steel
JIS E1102 Grade 37HMedium Carbon Steel
JIS E1102 Grade 50NHMedium Carbon Steel
JIS E1102 Grade 40NHMedium Carbon Steel
JIS E1102 Grade 50