Nominal Speeds and Feeds for Face Milling Stainless Steels
                             With Carbide Cutters


                                For .150-in. depth          For .025-in. depth
                                Speed (sfm) for:           Speed (sfm) for:
Type of   Condi-    Brinell                      Feed,                    Feed,
 Steel    tion(a)   hardness    Braz.   Dispos.   ipt     Braz.   Dispos.  ipt

FM Fer    Ann       135 to 185    470      520     .014      625     690   .012
FM Mar    Ann       135 to 185    470      520     .014      625     690   .012
          Ann or CD 185 to 240    430      475     .010      570     630   .008
          Q & T     275 to 325    300      330     .008      400     440   .006
          Q & T     375 to 425    150      165     .005      200     220   .004
FM Aus    Ann       135 to 185    375      415     .014      500     550   .012
          CD        225 to 275    325      360     .014      430     475   .012
Ferritic  Ann       135 to 185    425      470     .010      565     620   .008
Mar(410)  Ann       135 to 185    475      525     .010      630     685   .008
          Ann       175 to 225    425      470     .010      565     620   .008
          Q & T     275 to 325    300      330     .008      400     440   .006
          Q & T     375 to 425    135      150     .005      180     200   .004
Mar(431)  Ann       225 to 275    350      385     .010      465     510   .008
          Q & T     275 to 325    300      330     .006      400     440   .005
          Q & T     375 to 425    135      150     .005      180     200   .004
Mar(440)  Ann       225 to 275    325      360     .010      430     475   .008
          Q & T     275 to 325    275      305     .006      370     410   .005
          Q & T     375 to 425    135      150     .005      180     200   .004
Aus(304)  Ann       135 to 185    325      360     .010      430     475   .008
          CD        225 to 275    300      330     .010      400     440   .008
Aus(316)  Ann       135 to 185    300      330     .010      400     440   .008


 (a)  Ann = Annealed     CD = Cold Draw     Q & A = Quenched and tempered
      Hard = Hardened    N & T = Normalized and tempered.