Alloy Steel

Machinability Ratings

GRADE:

APPROXIMATE SURF. FT. PER MIN.

% RELATIVE SPEED BASED ON C-1212 as 100%

E-17-22A 95 57
E-4130 120 72
E-4130 H.T. 65 40
E-4140 110 66
E-4330 Mod 95 57
E-4340 95 57
E-4340
Mod “300M” 95 57
E-4620 110 66
E-17-22A 95 57
E-4130 120 72
E-4130 H.T. 65 40
E-4140 110 66
E-4330 Mod 95 57
E-4340 95 57
E-4340
Mod “300M” 95 57
E-4620 110 66
E-52100 65 40
E-6150 100 60
E-8740 110 66
E-9310 80 49
Nitriding 83 51
H-11 75 45
Hy-Tuf 75 45
D6AC 80 49
9-4 30 75 45

Carbon & Alloy Steel Availability Chart

CARBON & ALLOY STEELS – COMMERCIAL & AIRCRAFT

Metal

Coil/Sheet

Plate

Bar

Wire

Tube/Pipe

Forge

1000 Series X X X X X
4000 Grades X X X X X
6000 Grades X X
8000 Grades X X X X X
9000 Grades X X
52100 X X X
D6AC X X
H11 X X
HYTUF X X
NITRIDING X X
9-4-30 X X

Alloy Steel

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