Grade
302
302/304 "B"
303
303 High Tensile
304
304 L
309
310
316
316 "B"
316 L
317-317 L
321
330
347
403
410
416 Ann
416 H.T.
418 (Greek Ascoloy) |
Approximate
Surf. Ft.
Per Min.
70
55
150
80
70
70
60
60
60
50
60
60
60
45
60
95
95
150
85
96 |
% Relative Speed
Based on
B-1112 as 100%
40
28
75
43
40
40
36
36
36
22
36
36
36
20
36
54
54
75
50
50 |
Grade
420
420 F
430
430 F
431
440 A
440 C
440 F Se
446
Custom 455
PH-13-8 MO
15-5 PH
17-4 PH
17-4 PH "H1150"
17-7 PH
AM 355
Nitronic 40
Nitronic 50
Nitronic 60
Carp. 20 |
Approximate
Surf. Ft.
Per Min.
85
125
110
150
80
65
65
80
60
55
60
75
75
85
75
72
50
50
50
70 |
%
Relative Speed
Based on B-1112
as 100% (165 SFM)
50
68
66
75
48
40
40
48
36
28
36
45
45
50
45
42
22
22
22
40 |
