Lincoln Electric 718115 Spirit II 275 - Manual (Page 96)

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.
5-26
Stainless Steel - 150 Amps - H17 Plasma / Nitrogen Shield
Copper Electrode
(H17 = 17.5% Hydrogen / 32.5% Argon / 50% Nitrogen)
This gas combination gives the best cut quality and minimum dross levels
Shield Cap Nozzle Electrode
277298 277297 277135
Outer Cap Retaining Cap Swirl Ring Torch Head
284150 277266 277139 279100
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)
1/4
25 77 75 81 165
95 .250 .250 400
.135
3/8 75 .150 .275 500
1/2 60 .165 .300 600
.140
5/8 50 .185 .325 800
3/4 40 .250 .350 1200 .145
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)
10
25 77 75 81
155
1845 3.8 7.0
600
3.4
12 1610 4.1 7.4
3.6
16 1260 4.7 8.3 800
20 167 940 6.9 9.0 1200 3.7
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 135 250 6350 .100 2.5 .100 2.5 0
Argon** Nitrogen** N/A 50 25 N/A 81 100 2540 .140 3.6 .100 2.5 0
* Use an arc transfer height (ignition height) of .200” (5.1 mm) for cutting and .100” (2.5 mm) for marking.
** Only available on systems with the Automatic Gas Console.
(Revised 04/26/2013)