Chapter 9     Carbon & Alloy Steels - Machining Data

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TURNING DATA FOR HIGH CARBON STEELS

 

 

 

High Speed Steel Tool

Coated Carbide Tool

Material

Hardness HB

Cut

Speed

Feed

Tool

Speed

Feed

Tool
AISI Heat Treatmenta Depth in fpm ipr Material fpm ipr Materialb
1060, 1064, 125-175 0.040 120 0.007 M2, M3 750 0.007 CC-7
1065, 1069, HR, N, A, CD 0.150 90 0.015 M2, M3 500 0.015 CC-6
 1070, 1074,   0.300 70 0.020 M2, M3 400 0.020 CC-6
1075, 1078,   0.625 50 0.030 M2, M3 --- --- ---
1080, 1084, 225-275 0.040 100 0.007 M2, M3 700 0.007 CC-7
1085, 1086, HR, N, A, CD, QT 0.150 80 0.015 M2, M3 475 0.015 CC-6
1090, 1095,   0.300 60 0.020 M2, M3 375 0.020 CC-6
    0.625 --- 0.030 M2, M3 --- --- ---
  275-325 0.040 80 0.007 T15, M42 675 0.007 CC-7
  HR, N, A, CD, QT 0.150 60 0.015 T15, M42 450 0.015 CC-6
    0.300 50 0.020 T15, M42 350 0.020 CC-6
    0.625 --- --- --- --- --- ---
  325-375 0.040 60 0.007 T15, M42 550 0.007 CC-7
  QT 0.150 45 0.015 T15, M42 375 0.015 CC-6
    0.300 35 0.020 T15, M42 300 0.020 CC-6
    0.625 --- --- --- --- --- ---
  375-425 0.040 45 0.007 T15, M42 425 0.007 CC-7
  QT 0.150 35 0.015 T15, M42 275 0.015 CC-6
    0.300 25 0.020 T15, M42 225 0.020 CC-6
    0.625 --- --- --- --- --- ---

 a. Heat treatment abbreviations are as follows: HR - hot rolled; A - annealed; N - Normalized; CD - cold drawn; QT - quenched & tempered.

 b. Coated carbide tool material grades are designated by an prefix letter C, to distinguish it from the Industry Code system for

 uncoated carbide tools.

 

 The Ferrous Metals Data Book

t"> uncoated carbide tools.

 

 The Ferrous Metals Data Book