Medium Carbon Steel
JIS G4802 Grade S55C annealedMedium Carbon Steel
JIS G4802 Grade S55C as cold reducedMedium Carbon Steel
JIS G4802 Grade S55C austemperedMedium Carbon Steel
JIS G4802 Grade S55C quenched and temperedMedium Carbon Steel
JIS G4805 Grade C56E2 annealed (soft annealed)Medium Carbon Steel
JIS G4805 Grade C56E2 treated for cold shearing