Free Cutting Rephosphorized and Resulfurized Steels
Chemical Composition Ranges and Limits
SAE No. C Mn P S
1212 .13 max .70/1.00 .07/.12 .16/.23
1213 .13 max .70/1.00 .07/.12 .24/.33
1215 .09 max .75/1.05 .04/.09 .26/.35

NOTE: 12XX grades are customarily furnished without specified silicon content because of adverse effect on machinability.

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