Chapter 16      Stainless Steels - Machining Data

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 FACE MILLING DATA FOR AUSTENITIC STAINLESS STEELS

 

Hardness HB

 

High Speed Steel Tool

Coated Carbide Tool
Material Heat Cut Speed Feed per Tool Speed Feed per Tool
AISI Treatmenta Depth in fpm Tooth in Material fpm Tooth in Materialb
 201, 202 135-185 0.040 130 0.008 M2, M7 700 0.008 CC-2
 301, 302, A 0.150 100 0.012 M2, M7 475 0.012 CC-2
 304, 304L,   0.300 80 0.016 M2, M7 350 0.016 CC-2
 308, 321, 225-275 0.040 115 0.006 M2, M7 650 0.007 CC-2
 347, 348 CD 0.150 90 0.010 M2, M7 425 0.010 CC-2
    0.300 70 0.014 M2, M7 325 0.014 CC-2
 302B, 309 135-185 0.040 115 0.008 M2, M7 650 0.008 CC-2
 309S, 310, A 0.150 90 0.012 M2, M7 425 0.012 CC-2
 316, 316L,   0.300 70 0.016 M2, M7 325 0.016 CC-2
 317, 330 225-275 0.040 100 0.006 M2, M7 525 0.007 CC-2
  CD 0.150 75 0.010 M2, M7 400 0.010 CC-2
    0.300 55 0.014 M2, M7 300 0.014 CC-2
 Nitronic 40, 210-250 0.040 80 0.006 M2, M7 350 0.007 CC-2
 Nitronic 50, A 0.150 60 0.010 M2, M7 275 0.010 CC-2
 Nitrpnic 60   0.300 45 0.014 M2, M7 225 0.014 CC-2
 a. Heat treatment abbreviations are as follows: A - annealed; CD - cold drawn.
 b. Coated carbide tool material grades are designated by additional prefix letter C, to distinguish it from the Industry Code system for
 uncoated carbide tools.

 The Ferrous Metals Data Book

der-style: none; border-width: medium" colspan="9"> uncoated carbide tools.

 The Ferrous Metals Data Book