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Machinability Rating

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  • Resources
  • Machinability Rating

    • Machinability Rating

    Grade Approx.
    Surf. Ft.
    per min.    		 % Relative Speed
    Based on
    B-1112
    as 100%    		 Grade Approx.
    Surf. Ft.
    per min.    		 % Relative Speed
    Based on
    B-1112 as
    100%(165 SFM)
    302
    302/304 "B"
    303
    303 H.T.
    304
    304L
    309
    310
    316
    316 "B"
    316L
    317-317L
    321
    330
    347
    410
    416 Ann
    416 H.T.
    418*    		 70
    55
    150
    80
    70
    70
    60
    60
    60
    50
    60
    60
    60
    45
    60
    95
    150
    85
    96    		 40
    28
    75
    43
    40
    40
    36
    36
    36
    22
    36
    36
    36
    20
    36
    54
    75
    50
    50    		 420
    420F
    430
    430F
    431
    440A
    440C
    440F Se
    446
    Ph-13-8 MO
    15-5 PH
    17-4 PH
    17-4 PH "H1150"
    Fer. 255/2205
    AM 355
    Nitronic 40
    Nitronic 50
    Nitronic 60
    Carp. 20    		 85
    125
    110
    150
    80
    65
    65
    80
    60
    60
    75
    75
    85
    60
    72
    50
    50
    50
    70    		 50
    68
    66
    75
    48
    40
    40
    48
    36
    36
    45
    45
    50
    36
    42
    22
    22
    22
    40

    SUPER ALLOYS - TITANIUM - ELECTRICAL STEELS
    6AL-4V
    Maraging "300"
    A-286
    4750
    L-605
    Nickel 400
    Nickel 600
    Nickel 625    		 90
    60
    54
    60
    15
    50
    50
    50    		 54
    36
    28
    36
    9
    22
    22
    22

    Waspaloy
    Hastelloy C (C-276)
    Hastelloy X
    Kovar
    Haynes Alloy 41
    (Rene 41)

    45
    40
    45
    60
    15

    20
    18
    20
    36
    9

    ALLOY
    E-4130 Annealed
    E-4130 H.T.
    E-4140 Annealed
    E-4140 H.T.
    E-4340 Annealed
    E-4340 H.T.
    Mod "300M".
    E-8620
    E-52100
    E-6150    		 120
    65
    110
    60
    95
    55
    95
    110
    65
    100    		 72
    40
    66
    35
    57
    35
    57
    66
    40
    60    		 E-8740
    E-9310
    EN30B Annealed
    EN30B H.T.
    H-11
    Hy-Tuf
    D6AC
    9-4-30
    M-50    		 110
    80
    55
    40
    75
    75
    80
    75
    70    		 66
    49
    35
    25
    45
    45
    49
    45
    40

    CARBON
    C-1018
    C-1045
    C-1117
    C-1137    		 130
    95
    150
    150    		 78
    57
    91
    72    		 C-1144
    C-12L14
    C-1215
    Stressproof    		 125
    325
    225
    125    		 76
    198
    136
    76

    Supplying the world AISI 4130 (E4130) and 4340 (E4340) Aircraft Quality Steel.
    Partner with a company that stands behind its products and services!      
    Call us at
    1-908-497-1477