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TURNHISP.TXT
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1989-02-17
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2KB
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32 lines
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