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STV® Parameters for Hypertherm125®

The following Hypertherm® Plasma Cut Settings have been re-arranged specifically for STV®CNC Plasma Table Owners. (For Air Plasma Shielded Consumables).  Select any of the Hypertherm models below to quick jump to the corresponding section:

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Hypertherm 125®
Mild Steel - Standard Consumables

Material thickness Cut Speed 1 Cut Speed 2 Cutting Height THC Piercing Height Piercing Time Floating Height
1/4"
188
168
0.18
158
0.36
200
1.0
3/8”
114
94
0.18
158
0.36
400
1.0
1/2"
75
55
0.18
158
0.36
500
1.0
5/8"
50
30
0.18
162
0.45
600
1.0
3/4"
42
22
0.18
164
0.45
800
1.0
7/8"
31
11
0.18
168
0.45
2000
1.0
1"
23
18*
0.18
169
0.45
3500
1.0
1-1/4"
16
11*
0.18
174
Edge Start
1000
1.0
1-1/2"
11
6*
0.18
179
Edge Start
1000
1.0
Please Note: “Floating height” has been set at 1.0” inch as default, but can be changed to your preference. Steer clear from dross puddles.
Please Note: “Cut Speed 2” has been set 20” in/min slower than “Cut Speed 1”. Adjust Accordingly within 20-40” in/min.
Please Note: “Cut Speed 2” with a ( * ) has been set 5” in/min slower than “Cut Speed 1”. Adjust Accordingly within 5 – 8” in/min.
Gas Flow Rate – slpm/scfh: 260/550 Hot (cut flow); 345/730 Cold (post flow)

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Hypertherm 125®
Stainless Steel - Standard Consumables

Material thickness Cut Speed 1 Cut Speed 2 Cutting Height THC Piercing Height Piercing Time Floating Height
1/4"
220
200
0.18
156
0.36
500
1.0
3/8”
104
84
0.18
158
0.36
500
1.0
1/2"
78
58
0.18
163
0.36
500
1.0
5/8"
45
25
0.18
165
0.45
700
1.0
3/4"
40
20
0.18
167
0.45
1200
1.0
7/8"
30
25*
0.18
168
Edge Start
800
1.0
1"
20
15*
0.18
173
Edge Start
1000
1.0
1-1/4"
16
11*
0.18
177
Edge Start
1100
1.0
1-1/2"
9
4*
0.18
183
Edge Start
1200
1.0
Please Note: “Floating height” has been set at 1.0” inch as default, but can be changed to your preference.
Please Note: “Cut Speed 2” has been set 20” in/min slower than “Cut Speed 1”. Adjust Accordingly within 20-40” in/min.
Please Note: “Cut Speed 2” with a ( * ) has been set 5” in/min slower than “Cut Speed 1”. Adjust Accordingly within 5 – 8” in/min.
Gas Flow Rate – slpm/scfh: 260/550 Hot (cut flow); 345/730 Cold (post flow)

Click here for Consumables

Hypertherm 125®
Aluminum - Standard Consumables

EXPLOSION HAZARD – CUTTING WITH ALUMINUM NEAR WATER. Do not cut aluminum alloys underwater or on a water table UNLESS you can prevent the accumulation of hydrogen gas. Never cut aluminum-lithium alloys in the presence of water. Aluminum can react with water to produce hydrogen, resulting in a potentially explosive condition that can detonate during plasma cutting operations. Refer to the Safety and Compliance Manual (80669C) for more information.

Material thickness Cut Speed 1 Cut Speed 2 Cutting Height THC Piercing Height Piercing Time Floating Height
1/4"
284
264
0.18
159
0.36
200
1.0
3/8”
124
104
0.18
163
0.36
400
1.0
1/2"
80
60
0.18
166
0.36
500
1.0
5/8"
61
41
0.18
169
0.45
600
1.0
3/4"
52
32
0.18
170
0.45
800
1.0
7/8"
44
39*
0.18
171
0.45
2000
1.0
1"
32
27*
0.18
175
0.45
3500
1.0
1-1/4"
17
12*
0.18
182
Edge Start
1000
1.0
1-1/2"
12
7*
0.18
184
Edge Start
1000
1.0
Please Note: “Floating height” has been set at 0.5” inch as default, but can be changed to your preference.
Please Note: “Cut Speed 2” has been set 20” in/min slower than “Cut Speed 1”. Adjust Accordingly within 20-40” in/min.
Please Note: “Cut Speed 2” with a ( * ) has been set 5” in/min slower than “Cut Speed 1”. Adjust Accordingly within 5 – 8” in/min.
Gas Flow Rate – slpm/scfh: 260/550 Hot (cut flow); 345/730 Cold (post flow)

For 45A, 65A, 85A & 105A Settings on your Hypertherm 125® Plasma Cutting System, please refer to your Hypertherm® Manual.

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