Stainless steel, 400a, H17 plasma / n₂ shield – Tweco Ultra-Cut Torch Data User Manual
Page 67: This art is for reference only
Manual 0-4828
Rev BA
8-67
TORCH DATA for Ultra-Cut
Stainless Steel
Flow Rates (SLPM / SCFH)
400A
H17
N₂
Preflow
- / -
207 / 439
H17 Plasma / N₂ Shield
Cutflow
47 / 100
173 / 367
Shield Cup
Shield Cap
Shield Gas
Distributor
Tip
Plasma Gas Distributor
Electrode
Cartridge
21-1305
21-1304
21-1303
21-1302
21-1306
21-1301
21-1300
GCM-2010
SC-3000 Torch Height Control (THC)
Basic THC
CNC Control
Material
Thickness
Pre Flow
Pressure
(N₂)
Cut Flow Rates / Pressures
Arc
Voltage Cut Height
THC
Pierce
Delay
Pierce
Ignition
Height
Elevation
Height
Control
Delay
Pierce
Height
without
Elevation
Travel
Speed
CNC
Motion
Delay
Max Kerf Width
@ Rec. Speed
Plasma (H17) Shield (N₂)
ga
(in)
inch
(psi)
Ball (psi) Ball (psi) (Volts) (in) ±0.005 (sec)
(in)
(in)
(sec)
(in)
(ipm)
(sec)
(in)
-
1/2
0.500
30
120 100 NA 100
141
0.180
0.4
0.375 0.000
0.2
N
ot R
ec
omme
nded
without Ele
va
tion Heigh
t
105
0.4
0.205
-
5/8
0.625
30
120 100 NA 100
147
0.200
0.6
0.375 0.300
0.2
90
0.6
0.200
-
3/4
0.750
30
120 100 NA 100
150
0.200
1.0
0.375 0.300
0.2
70
0.7
0.210
-
1
1.000
30
120 100 NA 100
152
0.200
1.5
0.375 0.300
0.2
50
1.2
0.212
-
1 1/4
1.250
30
120 100 NA 100
164
0.300
2.0
0.375 0.400
0.2
38
1.4
0.235
-
1 1/2
1.500
30
120 100 NA 100
164
0.300
2.8
0.375 0.500
0.2
30
2.0
0.245
-
1 3/4 1.750
30
120 100 NA 100
170
0.300
5.0
0.375 0.750
0.2
21
3.0
0.255
-
2
2.000
30
120 100 NA 100
179
0.300
8.0
0.375 0.750
0.2
17
5.5
0.280
GCM-2010
SC-3000 Torch Height Control (THC)
Basic THC
CNC Control
Material
Thickness
Pre Flow
Pressure
(N₂)
Cut Flow Rates / Pressures
Arc
Voltage Cut Height
THC
Pierce
Delay
Pierce
Ignition
Height
Elevation
Height
Control
Delay
Pierce
Height
without
Elevation
Travel
Speed
CNC
Motion
Delay
Max Kerf Width
@ Rec. Speed
Plasma (H17) Shield (N₂)
(mm)
(Bar)
Ball (Bar) Ball (Bar) (Volts) (mm) ±0.1 (sec)
(mm)
(mm)
(sec)
(mm)
(mm/
min)
(sec)
(mm)
12
2.1
120 6.9
NA
6.9
140
4.5
0.4
9.5
0.0
0.2
N
ot R
ec
omme
nded without
Ele
va
tion He
igh
t
2750
0.4
5.2
15
2.1
120 6.9
NA
6.9
145
4.9
0.5
9.5
5.5
0.2
2390
0.5
5.1
20
2.1
120 6.9
NA
6.9
150
5.1
1.1
9.5
7.6
0.2
1700
0.8
5.3
25
2.1
120 6.9
NA
6.9
152
5.1
1.5
9.5
7.6
0.2
1300
1.2
5.4
30
2.1
120 6.9
NA
6.9
161
6.9
1.9
9.5
9.5
0.2
1050
1.3
5.8
35
2.1
120 6.9
NA
6.9
164
7.6
2.4
9.5
11.5
0.2
860
1.7
6.1
40
2.1
120 6.9
NA
6.9
166
7.6
3.5
9.5
14.6
0.2
690
2.3
6.3
45
2.1
120 6.9
NA
6.9
171
7.6
5.3
9.5
19.1
0.2
520
3.2
6.5
50
2.1
120 6.9 NA 6.9
178
7.6
7.6
9.5
19.1
0.2
440
5.2
7.0
Marking
Pre Flow
Pressure
(N₂)
Marking Flow Rates /
Pressures
Arc
Voltage
Marking
Height
Pierce Ignition Height
THC and CNC
Delay
Control
Delay
Travel
Speed
Marking quality
degrades as
thickness
decreases.
50A Arc Current
Plasma (N₂)
Shield (N₂)
Burn-through may
happen for thicknesses
< 1/16” (0.063”) /
1.6 mm.
(psi) /
(Bar)
Ball (psi) /
(Bar) Ball
(psi) /
(Bar) (Volts)
(in) ±0.005 /
(mm) ±0.1
(in) ±0.005 / (mm) ±0.1
(sec)
(sec)
(ipm) /
(mm/ min)
15 / 1.0
80
100 /
6.9
NA 100 /
6.9
135 0.120 / 3.0
0.120 / 3.0
0
0.4
0 / 0
BOLD TYPE indicates maximum piercing parameters. BOLD ITALIC indicates edge starts only.
Shield Cup
Shield Cap
Shield Gas
Distributor
Tip
Gas
Distributor
Electrode
Cartridge Assembly
This Art Is For Reference Only
Art# A-10444