10
TRI TOOL INC.
92-0756 : Rev. 060811
CUTTING SPEEDS AND FEEDS
Use 200 surface inches per minute (5080 surface millimeters per minute) for:
Stainless steels in general when no coolant is allowed, all heavy-wall tube
and some chrome/molybdenum steels.
Use 250 surface inches per minute (6350 surface millimeters per minute) for:
Mild steels and some thin-wall stainless steels when coolants are permitted
and applied.
Use 300 surface inches per minute (7620 surface millimeters per minute) for:
Aluminum and some thin-wall mild steel and tube with coolants.
BASIC FEED RECOMMENDATION
Use very light feed for initial beveling or until a continuous cut is established.
This is very important for longer tool bit life when cutting through flame cut or out of
square pipe ends.
.125"
3.18 mm
509
636
763
.250"
6.35 mm
255
318
382
.375
9.53 mm
170
212
255
.500"
12.70 mm
127
159
191
.625"
15.88 mm
102
127
153
.750"
19.05 mm
85
106
127
Cutting Speed (Approximately)
RPM for
300 in/min
(7620 mm/min)
True DIA
RPM for
200 in/min
(5080 mm/min)
RPM for
250 in/min
(6350 mm/min)