19
Model 216B BEVELMASTER
92-1783 Orig. 161006
7. CUTTINg sPeeDs
Approximate Cutting speeds
Pipe
size
True DIA
RPM for
200 in/min
(508 cm/min)
RPM for
250 in/min
(635 cm/min)
RPM for
300 in/min
(762 cm/min)
16"
16.00"
406.4mm
4
5
6
14"
14.00"
355.6mm
5
6
7
12"
12.75"
323.9mm
5
6
7
10"
10.75"
273.1mm
6
8
9
8"
8.625"
219.1mm
8
10
12
6"
6.625"
168.3mm
10
13
15
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.