Acetylene Cutting Tip Chart

CUTTING TIP SERIES 1-101, 3-101 & 5-101

Metal
Thickness
Tip
Size
Cutting Oxygen
Pressure***
(PSIG)
Preheat
Oxygen
(PSIG)
Acetylene
Pressure
(PSIG)
Speed
I.P.M.
Kerf
Width
1/8" 000 20/25 3/5 3/5 20/30 .04
1/4" 00 20/25 3/5 3/5 27/30 .05
3/8" 0 25/30 3/5 3/5 24/28 .06
1/2" 0 30/35 3/6 3/5 20/24 .006
3/4" 1 30/35 4/7 3/5 17/21 .07
1" 2 35/40 7/8 3/6 15/19 .09
2" 3 40/45 5/10 4/8 12/15 .11
3" 4 40/50 5/10 5/11 9/12 .12
4" 5 45/55 6/12 6/13 8/11 .15
6" 6** 45/55 6/15 8/14 6/8 .15
10" 7** 45/55 6/20 10/15 4/5 .34
12" 8** 45/55 7/25 10/15 3/5 .41

* Applicable for 3-hose machine cutting torches only. With a 2-hose cutting torch, preheat pressure is set by the cutting oxygen..

** For best results use ST1600C-STU-ST1900C or ST2600FC series torches and 3/8" hose when tip size 6 or larger. Torches with flashback arrestors require up to 25% more pressure as tip size increases (15 PSI maximum acetylene pressure).

*** All Pressures are measured at the regulator using 25' x 3/8" hose for tip sizes 6 and larger.

CAUTION At no time should the withdrawal rate of an individual acetylene cylinder exceed 1/7 of the cylinder contents. If additional flow capacity is required, use an acetylene manifold system of sufficient size to supply the necessary volume.