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TURNCARB.TXT
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1989-02-17
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35 lines
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.