TURNING,WROUGHT STAINLESS STEELS

Material Hardness,Bhn Condition Depth of cut in Carbide tool
Uncoated Coated
High speed steel
tool
Speed, fpm Feed,
ipr
Tool material grade Speed fpm Feed, ipr Tool material grade
Speed, fpm Feed, ipr Tool material. AISI Brazed Indexable
Ferritic steels
405, 409, 429, 430, 434,
436, 442, 446
135 Annealed 0.04 150 0.007 M2,M3 575 650 0.007 C-7 850 0.007 CC-7
to 0.15 120 0.015 M2,M3 450 500 0.015 C-6 650 0.015 CC-6
185 0.3 95 0.02 M2,M3 275 310 0.04 C-6

Austenitic
steels

201,
202,
301,302,
302B,
304 309,
309S,
310,
310S,
314,
316,
316L,
317,
321,
330,
347,
348,
384, 385
135 Annealed 0.04 95 0.007 M2,M3 325 375 0.007 C-3 500 0.007 CC-3
to 0.15 75 0.015 M2,M3 300 325 0.015 C-3 425 0.015 CC-3
185 0.3 60 0.02 M2,M3 225 250 0.02 C-2 325 0.02 CC-2
225 Cold drawn 0.04 80 0.007 T15, M42 300 325 0.007 C-3 425 0.007 CC-3
to 0.15 65 0.015 T15, M42 250 275 0.015 C-3 350 0.015 CC-3
275 0.3 50 0.02 T15, M42 190 215 0.02 C-2 275 0.02 CC-2
0.625 40 0.03 T15, M42 140 165 0.03 C-2

Martensitic
steels
403,
410,
420,
422,
501, 502
135 Annealed 0.04 155 0.007 M2, M3 475 620 0.007 C-7 800 0.007 CC-7
to 0.15 125 0.015 M2, M3 400 480 0.015 C-6 625 0.015 CC-6
175 0.3 100 0.02 M2, M3 320 380 0.03 C-6 500 0.02 CC-6
0.625 80 0.03 M2, M3 240 300 0.04 C-6
135 Annealed 0.04 145 0.007 M2, M3 460 570 0.007 C-7 850 0.007 CC-7
to 0.15 115 0.015 M2, M3 385 450 0.015 C-6 550 0.015 CC-6
175 0.3 90 0.02 M2, M3 300 350 0.03 C-6 450 0.02 CC-6
0.625 70 0.03 M2, M3 235 260 0.04 C-6
275 Quenched 0.04 95 0.007 T15, M42 360 465 0.007 C-7 700 0.007 CC-7
to and 0.15 75 0.015 T15, M42 280 360 0.015 C-6 450 0.015 CC-6
325 tempered 0.3 60 0.02 T15, M42 225 280 0.02 C-6 375 0.02 CC-6
0.625
375 Quenched 0.04 65 0.007 T15,
M42
290 320 0.007 C-7 475 0.007 CC-7
to and 0.15 50 0.015 T15, M42 225 250 0.015 C-6 300 0.015 CC-6
425 tempered 0.3 60 0.02 T15, M42 180 200 0.02 C-6 250 0.02 CC-6
0.625
Ferritic steels
405, 409,429, 430,434, 436, 442, 446
135-185 Annealed 0.04 190 0.008 M2, M7 565 620 0.008 C-6 925 0.008 CC-6
0.15 145 0.012 M2, M7 425 470 0.012 C-6 600 0.012 CC-6
0.3 115 0.016 M2, M7 300 365 0.016 C-5 475 0.016 CC-5

Austenitic
steels
201,
202,
301,
302,
302B,
304,
304L,
305,
308,
309,
309S,
310,
310S,
314,
316,
316L,
317,
321,
330,
347,
348,
384, 385
135-185 Annealed 0.04 115 0.008 M2, M7 400 440 0.008 C-2 650 0.008 CC-2
0.15 90 0.012 M2, M7 300 470 0.012 C-6 425 0.012 CC-2
0.3 70 0.016 M2, M7 200 250 0.016 C-6 325 0.016 CC-2
225-275 Colddrawn 0.04 100 0.006 M2, M7 290 350 0.007 C-2 525 0.007 CC-2
0.15 75 0.01 M2, M7 245 300 0.01 C-2 400 0.01 CC-2
0.3 55 0.014 M2, M7 190 235 0.014 C-2 300 0.014 CC-2

Martensitic
steels
403,
410,
420,
422,
501, 502
135-175 Annealed 0.04 160 0.008 M2, M7 500 540 0.008 C-6 800 0.008 CC-6
0.15 125 0.012 M2, M7 390 480 0.012 C-6 525 0.012 CC-6
0.3 100 0.016 M2, M7 215 260 0.016 C-5 325 0.016 CC-5
175-225 Annealed 0.04 145 0.008 M2, M7 480 510 0.008 C-6 765 0.008 CC-6
0.15 115 0.012 M2, M7 365 380 0.012 C-6 500 0.012 CC-6
0.3 90 0.016 M2, M7 240 295 0.016 C-5 375 0.016 CC-5
275-325 Quenched .040 100 .006 T15, M42 370 410 .006 C-6 625 .005 CC-6
and .150 75 .009 T15, M42 280 310 .00 C-6 400 .007 CC-6
tempered .300 60 .012 T15, M42 195 240 .010 C-5 315 .009 CC-5
275-325 Quenched .040 60 .004 T15, M42 180 200 .004 C-6 300 .003 CC-6
and .150 45 .006 T15, M42 135 150 .006 C-6 200 .005 CC-6
tempered .300 35 .008 T15,
M42
95 115 .008 C-6 150 .007 CC-6