Chapter 16      Stainless Steels - Machining Data

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 FACE MILLING DATA FOR CAST MARTENSITIC 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
 CA-15, 175-225 0.040 135 0.008 M2, M7 625 0.008 CC-6
 CA-15a, A, N, NT 0.150 110 0.012 M2, M7 460 0.012 CC-6
 CA-15M,   0.300 85 0.016 M2, M7 355 0.016 CC-5
 CA-40 275-325 0.040 90 0.006 T15, M42 475 0.005 CC-6
  QT 0.150 70 0.009 T15, M42 355 0.007 CC-6
    0.300 50 0.012 T15, M42 280 0.009 CC-5
  375-425 0.040 70 0.004 T15, M42 300 0.003 CC-6
  QT 0.150 50 0.006 T15, M42 215 0.005 CC-6
    0.300 35 0.008 T15, M42 160 0.007 CC-6
 a. Heat treatment abbreviations are as follows: A - annealed; N - normalized; NT - normalized & tempered; QT - quenched & tempered.
 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.
 

 

C

 The Ferrous Metals Data Book

 The Ferrous Metals Data Book