1213 Free Cutting Steel Usage: mainly used for production of a smaller force while the size and finish demanding instrument, watch parts, automobiles, machine tools and other machines used for demanding dimensional accuracy and finish, and relatively low mechanical performance requirements of standard parts such as gears, shafts, bolts, valves, bushings, pins, fittings, spring seat and machine screw, plastic mold, surgical and dental procedures appliances.
Grade Chemical Composition
C Si Mn P S Pb
1213 ≤ 0.13 ≤ 0.10 0.70-1.00 0.07-0.12 0.24-0.33 -