Hypertherm HRT - Manual (Page 54)

OPERATION
3-18 Duramax Retrofit Torch
Operator Manual
Note: Torch‑to‑work dis tance for the following cut chart is 1/16 in (1.5 mm) for all cuts.
Mild steel
Arc current Arc voltage Pierce
delay
Material thickness
Recommended
cut speed
Maximum cut speed
in mm ipm mm/min ipm mm/min
60
134
0
16 Ga 1.5 502 12751 627 15926
134 10 Ga 3.4 211 5359 264 6706
138 0.25 1/4 6.4 86 2184 132 3353
141 0.75 3/8 9.5 41 1041 63 1600
141
1.50
1/2 12.7 27 686 42 1067
147 5/8 15.9 20 512 31 787
153 3/4 19.0 14 363 22 559
Stainless steel
Arc current Arc voltage Pierce
delay
Material thickness
Recommended
cut speed
Maximum cut speed
in mm ipm mm/min ipm mm/min
60
134 0 16 Ga 1.5 406 10312 625 15875
136 0.25 10 Ga 3.4 159 4039 244 6198
139 0.50 1/4 6.4 72 1829 110 2794
145 0.75 3/8 9.5 34 864 53 1346
146
2.00
1/2 12.7 23 584 35 889
149 5/8 15.9 17 429 26 660
154 3/4 19.0 12 297 18 457
Aluminum
Arc current Arc voltage Pierce
delay
Material thickness
Recommended
cut speed
Maximum cut speed
in mm ipm mm/min ipm mm/min
60
135 0 1/16 1.6 433 10995 666 16916
138
0.25
1/8 3.2 260 6604 400 10160
141 1/4 6.4 94 2388 145 3683
146 0.75 3/8 9.5 48 1219 74 1880
149
1.50
1/2 12.7 30 762 51 1295
153 5/8 15.9 21 545 33 838