Nominal Speeds & Feeds for Face Milling Stainless Steels With
                            High Speed Steel Cutters

 Type of   Condi-      Brinell       For .150-in. depth  For .025-in. depth
 steel     tion(a)     hardness     Speed,sfm  Feed,ipt  Speed,sfm  Feed,ipt

 FM Fer    Ann         135 to 185    175        .010        235       .008
 FM Mar    Ann         135 to 185    175        .010        230       .008
           Ann or CD   185 to 240    125        .008        165       .006
           Q & T       275 to 325     85        .006        110       .005
           Q & T       375 to 425     40        .005         55       .004
 FM Aus    Ann         135 to 185    120        .010        150       .008
           CD          225 to 275    110        .010        140       .008
 Ferritic  Ann         135 to 185    135        .006        180       .005
 Mar(410)  Ann         135 to 185    125        .006        165       .005
           Ann         175 to 225    110        .006        145       .005
           Q & T       275 to 325     70        .005         95       .004
           Q & T       375 to 425     40        .004         55       .003
 Mar(431)  Ann         225 to 275     85        .006        115       .005
           Q & T       275 to 325     65        .005         90       .004
           Q & T       375 to 425     40        .004         55       .003
 Mar(440)  Ann         225 to 275     75        .006        100       .005
           Q & T       275 to 325     55        .005         75       .004
           Q & T       375 to 425     40        .004         55       .003
 Aus(304)  Ann         135 to 185     95        .006        125       .005
           CD          225 to 275     85        .006        110       .005
 Aus(316)  Ann         135 to 185     85        .006        110       .005


  (a) Ann = Annealed    CD = Cold drawn    Q & T = Quenched & Tempered
      Hard = Hardened   N & T = Normalized & Tempered
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          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.