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TURNCERM.TXT
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1989-03-07
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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