Chapter 16      Stainless Steels - Machining Data

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 FACE MILLING DATA FOR 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
 CD-4MCu,  325-375 0.040 75 0.005 T15, M42 475 0.004 CC-6
 CB-7Cu ST 0.150 55 0.008 T15, M42 350 0.006 CC-6
    0.300 40 0.010 T15, M42 280 0.008 CC-5
  400-450 0.040 55 0.003 T15, M42 325 0.003 CC-6
  STH 0.150 45 0.005 T15, M42 250 0.005 CC-6
    0.300 30 0.007 T15, M42 195 0.007 CC-6
 a. Heat treatment abbreviations are as follows: A - annealed; 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.
 

 

 The Ferrous Metals Data Book