Cutting speeds and feeds – Tri Tool 301 Tube Squaring User Manual
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TRI TOOL INC.
92-0630 Rev. 130308
CUTTING SPEEDS AND FEEDS
CUTTING SPEEDS
The chart below shows RPM required to obtain a specified Tool Bit cutting speed on
the surface of a pipe or tube.
Use 200 surface inches per minute (508 surface centimeters per minute) for:
Stainless steels in general when no coolant is allowed, all heavy-wall tube and some
of the chrome/molybdenum steels.
Use 250 surface inches per minute (635 surface centimeters per minute) for:
Mild steels and some thin wall stainless steels when coolants are permitted and
applied.
Use 300 surface inches per minute (762 surface centimeters per minute) for:
Aluminum and thin-wall mild steel and tube with coolants.
Cutting Speeds
"Outside Diameter
of the pipe or tube"
RPM for 200 in/min
(508 cm/min)
RPM for 250 in/min
(635 cm/min)
RPM for 300 in/min
(762 cm/min)
.13"
3.2 mm
509
637
764
.25"
6.4 mm
255
318
382
.38"
9.5 mm
239
209
251
.50"
12.7 mm
127
159
191
.75"
19.1 mm
85
106
127
1.00"
25.4 mm
64
80
86
Cutting Speeds for Tube Squaring
"Outside Diameter
of the pipe or tube"
RPM
Range
Time per
Head Revolution
.25"
6.4 mm
30 to 60
1 to 2 seconds
.50"
12.7 mm
20 to 40
1.5 to 3 seconds
.75"
19.1 mm
15 to 30
2 to 4 seconds
1.00"
25.4 mm
15 to 25
2.4 to 4 seconds