High Carbon & Carbon Tool Steel

ALLOYS & TEMPERS: 1050 Cold Rolled Annealed Spring Steel

Specifications – ASTM A 684-14; RB 82 max.
Generally used when hardening and tempering is required after fabrication
Some applications are for brackets, blades, clips, springs and washers

1074/1075 Cold Rolled Annealed Spring Steel
Specifications – ASTM A 684-14; RB 88 max.
Generally used as a medium carbon grade alloy with good forming qualities and good results when hardened and tempered
Some applications are for brackets, blades, clips, springs and washers

C1074/1075 Spring Steel, Scaleless Blue Tempered
Specifications – RC 44-47 (.010”- .062”); RC 44-50 (.094”-.125”)
Generally used as medium high carbon alloy with good forming qualities when higher carbon and polished surface are not required
Some applications are for various types of springs

1095 Cold Rolled Annealed Spring Steel
Specifications – ASTM A 684-14; RB 88 max.
Generally used when elasticity and fatigue limits are not critical, although it has the highest rated values of the commonly used spring steel alloys
It is used for intricate shapes that cannot be formed from pre-tempered steel

C1095 Blue Tempered & Polished (BP) Spring Steel
Specifications Rockwell C 48-51
Finish – Deep blue & polished
Generally used for electrical & electronic applications, coil or flat mechanical springs