Chapter 16      Stainless Steels - Machining Data

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 TURNING DATA FOR PRECIPITION HARDENING STAINLESS STEELS

 

Hardness HB

 

High Speed Steel Tool

Coated Carbide Tool
Material Heat Cut Speed Feed Tool Speed Feed Tool
AISI Treatmenta Depth in fpm lpr Material fpm lpr Materialb
 15-5 PH, 150-200 0.040 90 0.007 M2, M3 525 0.007 CC-7
 16-6 PH, ST 0.150 80 0.015 M2, M3 450 0.015 CC-6
 17-4 PH,   0.300 60 0.020 M2, M3 350 0.020 CC-6
 17-7 PH,   0.625 45 0.030 M2, M3 --- --- ---
 AM-350, 275-325 0.040 75 0.007 T15, M42 450 0.007 CC-7
 AM-355, ST, H 0.150 60 0.015 T15, M42 400 0.015 CC-6
 AM-363,   0.300 45 0.020 T15, M42 300 0.020 CC-6
 Custom 450,   0.625 --- --- T15, M42 --- --- ---
 Custom 455, 325-375 0.040 70 0.007 T15, M42 --- --- ---
 PH 13-8 Mo, ST, H 0.150 55 0.015 T15, M42 --- --- ---
 PH 14-8 Mo,   0.300 40 0.020 T15, M42 --- --- ---
 PH 15-7 Mo,   0.625 --- --- T15, M42 --- --- ---
 Stainless W 375-440 0.040 45 0.005 T15, M42 --- --- ---
  H 0.150 30 0.010 T15, M42 --- --- ---
    0.300 25 0.015 T15, M42 --- --- ---
    0.625 --- --- T15, M42 --- --- ---
 a. Heat treatment abbreviations are as follows: A - annealed; ST - solution treated; H - hardened.
 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

 

 The Ferrous Metals Data Book