           Nominal Speeds and Feeds for Turning Stainless Steels
                            With Ceramic Tools

                                   Rough turning        Finish turning
 Type of  Condi-     Brinell     (over .062-in. depth) (under .062-in. depth)
 steel    tion(a)    hardness    Speed,sfm  Feed,ipr   Speed,sfm   Feed,ipr

 FM Fer    Ann       135 to 185   500-1000  .005-.012   650-1100   .005-.010
 Fm Mar    Ann       135 to 185   500-1000  .005-.012   650-1100   .005-.010
           Ann or CD 185 to 240   450- 900  .005-.012   550-1000   .005-.010
           Q & T     275 to 325   350- 700  .005-.015   400- 800   .004-.010
           Q & T     375 to 425   150- 500  .005-.015   200- 600   .004-.010
 Ferritic  Ann       135 to 185   300- 700  .005-.020   400- 900   .005-.010
 Mar(all)  Ann       135 to 275   300- 700  .005-.012   350- 750   .005-.010
           Q & T     275 to 325   200- 550  .005-.015   250- 650   .004-.008
           Q & T     375 to 425   175- 450  .005-.012   200- 550   .004-.008
           Q & T    Rc48 to 52      ---        ---      150- 300   .003-.006
           Q & T    Rc54 to 56      ---        ---      100- 200   .002-.005

   (a) Ann = Annealed    CD = Cold drawn       Q & T = Quenched & tempered
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