Imperial, Metric, Marking* – for all material thicknesses – Lincoln Electric 718115 Spirit II 275 User Manual
Page 112
Section 5: Torch Consumables and Cutting Charts
Spirit II User’s Manual
This information is subject to the controls of the Export Administration Regulations [EAR]. This information shall not be provided to
non-U.S. persons or transferred by any means to any location outside the United States contrary to the requirements of the EAR.
5-42
Mild Steel - 275 Amps - Oxygen Plasma / Air Shield
Silver Electrode
Shield Cap
Nozzle
Electrode
277263
279469
279450
(red o-ring)
Outer Cap
Retaining Cap
Swirl Ring
Torch Head
284150
277266
279458
279060
Imperial*
Material
Thickness
Preflow
Plasma
Shield
Postflow
Arc
Voltage
Travel
Speed
Cutting
Height
Pierce
Height
Pierce
Time
Kerf
Width
(in)
(psi)
(psi)
(psi)
(psi)
(volts)
(ipm)
(in)
(in)
(msec)
(in)
1/2
20
81
70
79
139
125
.140
.300
500
.165
5/8
105
.135
.325
600
3/4
138
90
.120
.350
800
.170
1
144
65
.160
.400
1000
.185
1.25
150
45
.175
.500
1500
1.50 ***
163
25
.235
.350
.190
1.75 ***
170
20
.290
2.00 ***
180
15
.350
2.25 ***
185
13
.375
.375
.260
2.50 ***
190
9
.385
.385
.275
Metric*
Material
Thickness
Preflow
Plasma
Shield
Postflow
Arc
Voltage
Travel
Speed
Cutting
Height
Pierce
Height
Pierce
Time
Kerf
Width
(mm)
(psi)
(psi)
(psi)
(psi)
(volts)
(mm/m)
(mm)
(mm)
(msec)
(mm)
12
20
81
70
79
139
3290
3.6
7.4
500
4.2
16
138
2650
3.3
8.3
800
20
2190
3.1
9.0
1000
4.3
25
143
1690
4.0
10.1
4.7
32
150
1120
4.4
12.8
1500
38 ***
162
645
5.9
8.9
4.8
45 ***
170
495
7.5
50 ***
178
395
8.7
55 ***
183
345
9.2
9.2
6.6
60 ***
187
285
9.6
9.6
6.9
Marking* – For All Material Thicknesses
Type of Gas
Preflow
Plasma
Shield
Postflow
Arc
Voltage
Travel
Speed
Marking
Height
Initial
Height
Pierce
Time
(Plasma) (Shield)
(psi)
(psi)
(psi)
(psi)
(volts)
(ipm) (mm/min) (in) (mm) (in) (mm) (msec)
Nitrogen Nitrogen
N/A
25
25
N/A
108
250
6350
.100 2.5 .100 2.5
0
Argon**
Air**
N/A
50
25
N/A
54
100
2540
.120 3.0 .100 2.5
0
* Use an arc transfer height (ignition height) of .300” (7.6 mm) for cutting and .100” (2.5 mm) for marking.
** Only available on systems with the Automatic Gas Console.
*** Edge start recommended.
(Revised 04/26/2013)