Home / Guides and news / Fiber laser cutting speed chart Fiber Laser Cutting Speed Chart: 1 kW to 15 kW
PCL Group application engineering, Jinan · Updated 20 October 2026
Cutting speed, gas, pressure, focus and nozzle for carbon steel, stainless steel, aluminium and brass on fiber lasers from 1 kW to 15 kW. The data are the reference cutting parameters of Maxphotonics, the laser source fitted as standard on PCL machines. Use the finder for one thickness, or the tables below for an overview.
Maximum production thickness by power
The thickest plate each source cuts reliably in continuous production, according to the laser maker. Thicker plate can often be cut, but not stably enough for series work.
Laser power Carbon steel Stainless steel Aluminium Brass 1 kW 8 mm 4 mm 2 mm 2 mm 1.5 kW 12 mm 5 mm 4 mm 4 mm 2 kW 16 mm 6 mm 4 mm 4 mm 3 kW 20 mm 8 mm 4 mm 4 mm 4 kW 22 mm 10 mm 6 mm 6 mm 6 kW 22 mm 14 mm 12 mm 12 mm 8 kW 22 mm 16 mm 14 mm 14 mm 10 kW 30 mm 20 mm 16 mm 16 mm 12 kW 35 mm 25 mm 18 mm 18 mm 15 kW 35 mm 25 mm 20 mm 20 mm
Carbon steel with oxygen: speed in m/min
Thickness 1 kW 1.5 kW 2 kW 3 kW 4 kW 6 kW 8 kW 10 kW 12 kW 15 kW 3 mm 2.8–3 2.9–3.2 3–3.2 4–4.2 · · 4.2–4.5 · · · 6 mm 1.2–1.4 1.6–1.8 2.3–2.4 2.5–2.7 2.8–2.9 2.6–2.8 2.6–2.8 2.8–2.9 2.8–2.9 2.8–2.9 10 mm 0.75–0.85 0.9–1.0 0.9–1.0 1.5 1.8–1.9 2.2–2.3 2.2–2.3 2.2–2.3 2.2–2.3 2.2–2.3 12 mm · 0.8–0.9 0.8–0.9 1.0–1.1 1.3–1.5 1.8–2.0 1.9–2.0 1.9–2 1.9–2 1.9–2 16 mm · · 0.6–0.7 0.85–0.9 0.8–0.9 1.2–1.4 1.4–1.6 1.5 1.6 1.65 20 mm · · · 0.6–0.65 0.6–0.65 0.6–0.65 0.8–1.1 1.3 1.5 1.5 25 mm · · · · 0.5–0.55 0.5–0.55 0.5–0.55 0.8 1 1.1 30 mm · · · · · · 0.28–0.3 0.35 0.4 0.42 40 mm · · · · · · · · 0.3 0.33
· = no reference value. From 8 kW up, oxygen cutting of thin and medium plate is done at reduced power, so speeds do not rise with the source rating. Above 12 kW, compressed air is faster than oxygen on medium and thick plate; use the finder to compare.
Stainless steel with nitrogen: speed in m/min
Thickness 1 kW 1.5 kW 2 kW 3 kW 4 kW 6 kW 8 kW 10 kW 12 kW 15 kW 1 mm 21–23 32–35 30–32 35–37 40–43 60–61 50–60 · · · 2 mm 6.5–7 9–10 10–11 13–15 19–21 28–32 37–40 · · · 3 mm 2.3–2.5 4.2–4.5 5–6 7–8 10–11 20–21 21–23 · · · 6 mm · 1.0–1.2 1.3–1.5 2.0–2.3 2.8–3.2 7–8 11 13 16 21 10 mm · · · 0.6–0.7 0.8–0.9 1.8–2.1 4.5 5 8 10 12 mm · · · · 0.6–0.65 1.1–1.3 2.5 3.5 5.5 7 16 mm · · · · · 0.8–0.85 1.35 2.1 2.6 3.8 20 mm · · · · · · 0.8 1.2 1.5 2.2 25 mm · · · · · · · 0.9 0.8 1.3
How to read these numbers
Speeds are starting values. They were measured with specific cutting heads, liquid oxygen (99.99%) and liquid nitrogen (99.999%), with gas pressure measured at the cutting head. Machine, head, plate quality and gas supply all change the result.Focus is given relative to the plate surface: positive above, negative into the plate. Oxygen cutting uses positive focus, air and nitrogen cutting negative. The exception is very thick stainless steel, where the data switch to pulsed nitrogen cutting with positive focus and much lower speed.1 and 1.5 kW are single-mode sources, 2 kW and above multimode. On thin sheet a single-mode source can be as fast as a slightly larger multimode one, so speeds do not always rise with power.Stand-off is the nozzle height above the plate.Thin sheet scales with power ; thick carbon steel with oxygen does not, because the oxygen reaction sets the speed. Extra power on thick plate pays off through air cutting.
For a worked example at one thickness, see laser cutting 20 mm steel . For structural sections, see the H-beam laser cutting machine .
Carbon steel: parameters by thickness Carbon steel, 1 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 24–26 12–16 0 Single 1.0 0.5 N2 32–35 12–16 0 Single 1.0 0.5 N2 38–40 12–16 0 Single 1.0 0.5 N2 43–45 12–16 0 Single 1.0 0.5 N2/Air 60–61 12–16 0 Single 2.0 0.5 N2/Air 50–60 12–16 0 Single 1.5 0.5
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Carbon steel, 2 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 8–9 12–16 0–-0.5 Single 1.5 0.5 N2 9–10 12–16 0–-0.5 Single 1.5 0.5 N2 15 12–16 0–-0.5 Single 1.5/2.0 0.5 N2 21–23 12–16 0–-0.5 Single 1.5 0.5 N2/Air 30–31 12–16 0–-0.5 Single 2.0 0.5 N2/Air 37–40 12–16 0–-0.5 Single 2.0 0.5
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Carbon steel, 3 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 2.8–3 0.6–0.9 4.5–5.5 Double 1.2 0.8 O2 2.9–3.2 0.6–0.9 4.5–5.5 Double 1.2 0.8 O2 3–3.2 0.6–0.9 4.5–5.5 Double 1.2 0.8 O2 4–4.2 0.6–0.9 4.5–5.5 Double 1.2 0.8 N2 9–10 12–16 -1–-1.5 Single 2.5 0.5 N2/Air 18–20 12–16 -1–-1.5 Single 2.5 0.5 N2 21–23 12–16 -0.5–-1 Single 3.0 0.5 O2 4.2–4.5 0.6–0.8 6–7 Double 1.2 0.6–0.8
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Carbon steel, 4 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 2.2–2.4 0.6–0.9 2–3 Double 2.0 1.5 O2 2.4–2.6 0.6–0.9 4.5–5.5 Double 1.2 0.8 O2 3.3–3.5 0.6–0.9 4.5–5.5 Double 1.2 0.8 O2 3.3–3.6 0.6–0.9 4.5–5.5 Double 1.2 0.8 N2/Air 12–14 12–16 -2–-2.5 Single 2.5 0.5 O2 3.5–3.7 0.6–0.8 4.0–5.5 Double 1.2 0.6–0.8 N2/Air 15–16 12–16 -1–-1.5 Single 3.0 0.5 O2 3.5–3.7 0.6–0.8 6–7 Double 1.2 0.6–0.8
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Carbon steel, 5 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 1.5–1.7 0.6–0.9 2–3 Double 2.5 1.5 O2 1.8–2.0 0.6–0.9 2–3 Double 1.5 1.5 N2/Air 8–10 12–16 -2.5–-3 Single 3.5 0.5 O2 3.2–3.3 0.6–0.8 4.0–5.5 Double 1.2 0.6–0.8 N2/Air 12–13 12–16 -2–-2.5 Single 3.5 0.5 O2 3.2–3.3 0.6–0.8 7–8 Double 1.2 0.6–0.8
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Carbon steel, 6 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 1.2–1.4 0.6–0.9 2–3 Double 3.0 1.5 O2 1.6–1.8 0.6–0.9 2–3 Double 2.0 1.5 O2 2.3–2.4 0.6–0.9 4.5–5.5 Double 1.2 0.8 O2 2.5–2.7 0.6–0.9 4.5–5.5 Double 1.2 0.8 O2 2.8–2.9 0.6–0.9 4.5–5.5 Double 1.2 0.8 O2 2.6–2.8 0.6–0.8 4.0–5.5 Double 1.2 0.6–0.8 N2/Air 11 12–14 -2–-3 Single 3.5 0.5 O2 2.6–2.8 0.6–0.8 7–8 Double 1.2 0.6–0.8 Air 13 12–14 -1–-2 Single 3.5 0.5 N2 13 12–14 -1–-2 Single 3.5 0.5 O2 2.8–2.9 0.6–0.8 7–8 Double 1.2 0.8 Air 18 12–14 -1–-1.5 Single 4.0 0.5 N2 16 12–14 -1–-2 Single 3.5 0.5 O2 2.8–2.9 0.6–0.8 7–8 Double 1.2 0.8 Air 22 12–14 -1–-2 Single 3.5 0.5 N2 21 12–14 -1–-2 Single 3.5 0.5 O2 2.8–2.9 0.6–0.8 7–8 Double 1.2 0.8
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Carbon steel, 8 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 1.0–1.1 0.6–0.9 2–3 Double 3.0 1.5 O2 1.1–1.3 0.6–0.9 2–3 Double 3.0 1.5 O2 1.5–1.7 0.6–0.9 4.5–5.5 Double 1.4/1.5 0.8 O2 2.1–2.2 0.6–0.9 4.5–5.5 Double 1.2 0.8 O2 2.3–2.4 0.6–0.9 5.5–6 Double 1.2 0.8 O2 2.5–2.6 0.6–0.8 5.5–6.5 Double 1.2 0.6–0.8 N2/Air 6.5 14–16 -3–-4 Single 4.5 0.5 O2 2.5–2.6 0.6–0.8 8–9 Double 1.2 0.6–0.8 Air 8.5 14–16 -2–-3 Single 4.5 0.5 N2 8 14–16 -2–-3 Single 4.5 0.5 O2 2.5–2.6 0.6–0.8 8–9 Double 1.2 0.8 Air 13 14–16 -2–-2.5 Single 4.5 0.5 N2 11 14–16 -2–-3 Single 4.5 0.5 O2 2.5–2.6 0.6–0.8 8–9 Double 1.2 0.8 Air 16 14–16 -2–-3 Single 4.5 0.5 N2 15 14–16 -2–-3 Single 4.5 0.5 O2 2.5–2.6 0.6–0.8 8–9 Double 1.2 0.8
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Carbon steel, 10 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.75–0.85 0.6–0.9 2–3 Double 3.0 1.5 O2 0.9–1.0 0.6–0.9 2–3 Double 3.0 1.5 O2 0.9–1.0 0.6–0.9 2–3 Double 3.0 1.5 O2 1.5 0.6–0.9 4.5–5.5 Double 1.4/1.5 0.8 O2 1.8–1.9 0.6–0.9 5.5–6 Double 1.2 0.8 O2 2.2–2.3 0.6–0.8 5.5–6.5 Double 1.2 0.6–0.8 O2 2.2–2.3 0.6–0.8 8–9 Double 1.2 0.6–0.8 Air 6 14–16 -3–-4 Single 4.5 0.5 N2 5 14–16 -3–-4 Single 4.5 0.5 O2 2.2–2.3 0.6–0.8 9–10 Double 1.2 0.8 Air 9 14–16 -3–-4 Single 4.5 0.5 N2 8 14–16 -3–-4 Single 4.5 0.5 O2 2.2–2.3 0.6–0.8 9–10 Double 1.2 0.8 Air 11 14–16 -3–-4 Single 4.5 0.5 N2 10 14–16 -3–-4 Single 4.5 0.5 O2 2.2–2.3 0.6–0.8 9–10 Double 1.2 0.8
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Carbon steel, 12 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.6–0.65 0.6–0.9 2–3 Double 3.0 1.5 O2 0.8–0.9 0.6–0.9 2–3 Double 3.0 1.5 O2 0.8–0.9 0.6–0.9 2–3 Double 3.0 1.5 O2 1.0–1.1 0.6–0.9 2–3 Double 3.0 1.5 O2 1.3–1.5 0.6–0.9 5.5–6 Double 1.4/1.5 0.8 O2 1.8–2.0 0.6–0.8 6–7 Double 1.2 0.6–0.8 O2 1.9–2.0 0.6–0.8 9–10 Double 1.2 0.6–0.8 Air 4 14–16 -4–-5 Single 5.0 0.5 N2 3.5 14–16 -4–-5 Single 5.0 0.5 O2 1.9–2 0.6–0.8 9–10 Double 1.2 0.8 Air 7 14–16 -4–-5 Single 5.0 0.5 N2 5.5 14–16 -4–-5 Single 5.0 0.5 O2 1.9–2 0.6–0.8 9–10 Double 1.2 0.8 N2 7 14–16 -4–-5 Single 5.0 0.5 O2 1.9–2 0.6–0.8 9–10 Double 1.2 0.8
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Carbon steel, 14 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.6–0.7 0.6–0.9 2–3 Double 4.0 1.5 O2 0.7–0.8 0.6–0.9 2–3 Double 4.0 1.5 O2 0.9–1.0 0.6–0.9 2–3 Double 4.0 1.5 O2 0.9–1.0 0.6–0.9 2–3 Double 4.0 1.5 O2 1.4–1.7 0.6–0.8 6–7 Double 1.4/1.5 0.8 O2 1.5–1.7 0.6–0.8 9–10 Double/single 1.2 0.6–0.8 Air 3.5 14–16 -6–-7 Single 5.0 0.5 N2 3 14–16 -6–-7 Single 5.0 0.5 O2 1.6 0.6–0.8 9–10 Double/single 1.2 0.8 Air 4.5 14–16 -6–-7 Single 5.0 0.5 N2 3.5 14–16 -6–-7 Single 5.0 0.5 O2 1.6 0.6–0.8 9–10 Double/single 1.2 0.8 Air 6 14–16 -6–-7 Single 5.0 0.5 N2 5 14–16 -6–-7 Single 5.0 0.5 O2 1.65 0.6–0.8 9–10 Double/single 1.2 0.8
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Carbon steel, 16 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.5–0.6 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.6–0.7 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.85–0.9 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.8–0.9 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 1.2–1.4 0.6–0.8 6–7 Double 1.4/1.5 0.8 O2 1.4–1.6 0.6–0.8 10–11 Double/single 1.4 0.6–0.8 Air 2.4 14–16 -7–-8 Single 5.0 0.5 N2 2.1 14–16 -7–-8 Single 5.0 0.5 O2 1.5 0.6–0.8 10–11 Double/single 1.4 0.8 Air 3.2 14–16 -8–-9 Single 5.0 0.5 N2 2.6 14–16 -8–-9 Single 5.0 0.5 O2 1.6 0.6–0.8 10–11 Double/single 1.4 0.8 Air 4.5 14–16 -7–-8 Single 5.0 0.5 N2 3.8 14–16 -7–-8 Single 5.0 0.5 O2 1.65 0.6–0.8 10–11 Double/single 1.4 0.8
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Carbon steel, 18 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.5–0.6 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.7–0.75 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.7–0.8 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.7–0.8 0.6–0.8 2.5–3.5 Double 3.5/4.0 1.5 O2 1.1–1.3 0.6–0.8 10–11 Double/single 1.4 0.6–0.8 Air 1.8 14–16 -10–-11 Single 5.0/6.0 0.5 O2 1.4 0.6–0.8 10–11 Double/single 1.4-1.6 0.8 Air 2.3 14–16 -10–-11 Single 5.0/6.0 0.5 O2 1.5 0.6–0.8 10–11 Double/single 1.4-1.6 0.8 Air 3.8 14–16 -10–-11 Single 5.0/6.0 0.5 O2 1.5 0.6–0.8 10–11 Double/single 1.4-1.6 0.8
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Carbon steel, 20 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.4–0.5 0.6–0.9 2–3.5 Double 4.0 1.5 O2 0.6–0.65 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.6–0.65 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.6–0.65 0.6–0.8 2.5–3.5 Double 4.0 1.5 O2 0.8–1.1 0.6–0.8 11–12 Double/single 1.4 0.6–0.8 Air 1.4 16–18 -11–-12 Single 6.0 0.5 O2 1.3 0.6–0.8 11–12 Double/single 1.4-1.6 0.8 Air 1.8 16–18 -11–-12 Single 5.0/6.0 0.5 O2 1.5 0.6–0.8 11–12 Double/single 1.4-1.6 0.8 Air 2.5 16–18 -11–-12 Single 5.0/6.0 0.5 O2 1.5 0.6–0.8 11–12 Double/single 1.4-1.6 0.8
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Carbon steel, 22 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.5–0.55 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.55–0.6 0.6–0.9 2.5–3.5 Double 4.0 1.5 O2 0.55–0.6 0.6–0.8 2.5–3.5 Double 4.0 1.5 O2 0.75 0.6–0.8 11–12 Double/single 1.6 0.6–0.8 Air 0.9 16–18 -11–-12 Single 6.0 0.5 O2 1.1 0.6–0.8 11–12 Double/single 1.6 0.8 Air 1.1 18–20 -14–-15 Single 5.0/6.0 0.5 O2 1.2 0.6–0.8 11–12 Double/single 1.6 0.8 Air 1.8 18–20 -14–-15 Single 5.0/6.0 0.5 O2 1.25 0.6–0.8 11–12 Double/single 1.6 0.8
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Carbon steel, 25 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.45–0.5 0.6–0.9 2.5–4 Double 5.0 1.5 O2 0.5–0.55 0.6–0.9 2.5–4 Double 5.0 1.5 O2 0.5–0.55 0.6–0.8 2.5–4 Double 5.0 1.5 O2 0.5–0.55 0.6–0.8 11–12 Double/single 1.6-1.8 0.6–0.8 O2 0.8 0.6–0.8 11–12 Double/single 1.6 0.8 O2 1 0.6–0.8 11–12 Double/single 1.6 0.8 O2 1.1 0.6–0.8 11–12 Double/single 1.6 0.8
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Carbon steel, 30 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.28–0.3 0.6–0.8 11–12 Double/single 1.6-1.8 0.6–0.8 O2 0.35 0.6–0.8 13–14 Double/single 1.6-1.8 0.8 O2 0.4 0.6–0.8 13–14 Double/single 1.6-1.8 0.8 O2 0.42 0.6–0.8 13–14 Double/single 1.6-1.8 0.8
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Carbon steel, 35 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.3 0.9–1.1 13–14 Double/single 1.8 0.8 O2 0.35 0.9–1.1 13–14 Double/single 1.8 0.8 O2 0.37 0.9–1 13–14 Double/single 1.8 0.8
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Carbon steel, 40 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.2 1.2–1.5 13–14 Double/single 1.8 0.8 O2 0.3 1.2–1.5 13–14 Double/single 1.8 0.8 O2 0.33 1.2–1.5 13–14 Double/single 1.8 0.8
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Carbon steel, 45 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.2 1.2–1.5 13–14 Double/single 1.8 0.8 O2 0.22 1.2–1.5 13–14 Double/single 1.8 0.8
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Carbon steel, 50 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm O2 0.18 1.2–1.5 13–14 Double/single 1.8 0.8
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Stainless steel: parameters by thickness Stainless steel, 1 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 21–23 12–16 0 Single 1.0/1.2/1.5 0.5 N2 32–35 12–16 0 Single 1.0 0.5 N2 30–32 12–16 0 Single 1.0/1.2/1.5 0.5 N2 35–37 12–16 0 Single 1.0/1.2/1.5 0.5 N2 40–43 12–16 0 Single 1.0/1.2/1.5 0.5 N2 60–61 12–16 0 Single 1.5 0.5 N2 50–60 12–16 0 Single 1.5 0.5
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Stainless steel, 2 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 6.5–7 12–16 0–-0.5 Single 1.5/2.0 0.5 N2 9–10 12–16 0–-0.5 Single 1.5 0.5 N2 10–11 12–16 0–-0.5 Single 1.5/2.0 0.5 N2 13–15 12–16 0–-0.5 Single 1.5/2.0 0.5 N2 19–21 12–16 0–-0.5 Single 1.5/2.0 0.5 N2 28–32 12–16 0–-0.5 Single 2.0 0.5 N2 37–40 12–16 0–-0.5 Single 2.0 0.5
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Stainless steel, 3 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 2.3–2.5 12–16 -1–-1.5 Single 2.0/2.5/3.0 0.5 N2 4.2–4.5 12–16 -1–-1.5 Single 2.0 0.5 N2 5–6 12–16 -1–-1.5 Single 2.0/2.5/3.0 0.5 N2 7–8 12–16 -1–-1.5 Single 2.0/2.5/3.0 0.5 N2 10–11 12–16 -1–-1.5 Single 2.0/2.5/3.0 0.5 N2 20–21 12–16 -1–-1.5 Single 2.0 0.5 N2 21–23 12–16 -0.5–-1 Single 3.0 0.5
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Stainless steel, 4 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 1.4–1.6 12–16 -2–-2.5 Single 3.0 0.5 N2 2.1–2.3 12–16 -2–-2.5 Single 3.0 0.5 N2 3–3.5 12–16 -2–-2.5 Single 3.0 0.5 N2 4.5–5.5 12–16 -2–-2.5 Single 3.0 0.5 N2 6.5–7 12–16 -2–-2.5 Single 3.0 0.5 N2 12–14 12–16 -2–-2.5 Single 2.5 0.5 N2 15–16 12–16 -1–-1.5 Single 3.0 0.5
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Stainless steel, 5 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.6–0.7 12–16 -3–-3.5 Single 3.5/4.0 0.5 N2 1.6–1.8 12–16 -3–-3.5 Single 3.5 0.5 N2 8–10 12–16 -2.5–-3 Single 3.5 0.5 N2 12–13 12–16 -2–-2.5 Single 3.5 0.5
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Stainless steel, 6 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.5–0.6 12–16 -4.5–-5 Single 3.5/4.0 0.5 N2 1.0–1.2 12–16 -4.5–-5 Single 3.5 0.5 N2 1.3–1.5 12–16 -3.5–-4 Single 3.5/4.0 0.5 N2 2.0–2.3 12–16 -3.5–-4 Single 3.5/4.0 0.5 N2 2.8–3.2 12–16 -3.5–-4 Single 3.5/4.0 0.5 N2 7–8 12–16 -3.5–-4 Single 3.5 0.5 N2 11 12–14 -2–-3 Single 3.5 0.5 Air 15 12–14 -1–-2 Single 3.5 0.5 N2 13 12–14 -1–-2 Single 3.5 0.5 Air 17 12–14 -1–-2 Single 3.5 0.5 N2 16 12–14 -1–-2 Single 3.5 0.5 Air 23 12–14 -1–-2 Single 3.5 0.5 N2 21 12–14 -1–-2 Single 3.5 0.5
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Stainless steel, 8 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.5–0.6 16–18 -6–-7 Single 4.0 0.5 N2 0.5–0.6 16–18 -5–-6 Single 4.0 0.5 N2 1.0–1.2 16–18 -5–-6 Single 4.0 0.5 N2 1.5–1.7 16–18 -5–-6 Single 4.0 0.5 N2 3.5–3.6 16–18 -5–-6 Single 3.5 0.5 N2 6.5 14–16 -3–-4 Single 4.5 0.5 Air 10 14–16 -2–-3 Single 4.5 0.5 N2 8 14–16 -2–-3 Single 4.5 0.5 Air 14 14–16 -2–-3 Single 4.5 0.5 N2 11 14–16 -2–-3 Single 4.5 0.5 Air 18 14–16 -2–-3 Single 4.5 0.5 N2 15 14–16 -2–-3 Single 4.5 0.5
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Stainless steel, 10 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.6–0.7 16–18 -6.5–-7 Single 4.0 0.5 N2 0.8–0.9 16–18 -6.5–-7 Single 4.0 0.5 N2 1.8–2.1 16–18 -6.5–-7 Single 4.0 0.5 N2 4.5 14–16 -6–-8 Single 4.5 0.5 Air 8.5 14–16 -3–-4 Single 4.5 0.5 N2 5 14–16 -3–-4 Single 4.5 0.5 Air 11 14–16 -3–-4 Single 4.5 0.5 N2 8 14–16 -3–-4 Single 4.5 0.5 Air 13 14–16 -3–-4 Single 4.5 0.5 N2 10 14–16 -3–-4 Single 4.5 0.5
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Stainless steel, 12 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.6–0.65 16–18 -7.5–-8.5 Single 3.5 0.5 N2 1.1–1.3 16–18 -7.5–-8.5 Single 4.0 0.5 N2 2.5 14–16 -7–-8 Single 5.0 0.5 Air 6 14–16 -4–-5 Single 5.0 0.5 N2 3.5 14–16 -4–-5 Single 5.0 0.5 Air 8 14–16 -4–-5 Single 5.0 0.5 N2 5.5 14–16 -4–-5 Single 5.0 0.5 Air 11 14–16 -4–-5 Single 5.0 0.5 N2 7 14–16 -4–-5 Single 5.0 0.5
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Stainless steel, 14 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.9–1.0 16–20 -9–-10 Single 5.0 0.5 N2 1.7 14–16 -8–-9 Single 5.0 0.5 Air 4.5 14–16 -6–-7 Single 5.0 0.5 N2 3 14–16 -6–-7 Single 5.0 0.5 Air 6 14–16 -6–-7 Single 5.0 0.5 N2 3.5 14–16 -6–-7 Single 5.0 0.5 Air 6 14–16 -6–-7 Single 5.0 0.5 N2 5 14–16 -6–-7 Single 5.0 0.5
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Stainless steel, 16 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.8–0.85 16–20 -10–-11 Single 5.0 0.5 N2 1.35 14–16 -10–-11 Single 5.0 0.5 Air 2.9 14–16 -7–-8 Single 5.0 0.5 N2 2.1 14–16 -7–-8 Single 5.0 0.5 Air 4 14–16 -7–-8 Single 5.0 0.5 N2 2.6 14–16 -7–-8 Single 5.0 0.5 Air 5 14–16 -7–-8 Single 5.0 0.5 N2 3.8 14–16 -7–-8 Single 5.0 0.5
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Stainless steel, 18 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 2 14–16 -10–-11 Single 5.0 0.5 N2 1.5 14–16 -10–-11 Single 5.0/6.0 0.5 Air 3 14–16 -10–-11 Single 5.0/6.0 0.5 N2 2 14–16 -10–-11 Single 5.0/6.0 0.5 Air 4 14–16 -10–-11 Single 5.0/6.0 0.5 N2 2.8 14–16 -10–-11 Single 5.0/6.0 0.5
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Stainless steel, 20 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.5–0.6 16–20 -11–-13 Single 5.0 0.5 N2 0.8 16–20 -12–-13 Single 5.0/6.0 0.5 Air 1.6 16–18 -11–-12 Single 6.0 0.5 N2 1.2 16–18 -11–-12 Single 6.0/7.0 0.5 Air 2 16–18 -11–-12 Single 6.0/7.0 0.5 N2 1.5 16–18 -11–-12 Single 6.0/7.0 0.5 Air 3 16–18 -11–-12 Single 6.0/7.0 0.5 N2 2.2 16–18 -11–-12 Single 6.0/7.0 0.5
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Stainless steel, 25 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.2 16–20 6–7 Single 5.0 0.5 Air 1.1 18–20 -14–-15 Single 6.0 0.5 N2 0.9 18–20 -14–-15 Single 6.0/7.0 0.5 Air 1.3 18–20 -14–-15 Single 6.0/7.0 0.5 N2 0.8 18–20 -14–-15 Single 6.0/7.0 0.5 Air 1.6 18–20 -14–-15 Single 6.0/7.0 0.5 N2 1.3 18–20 -14–-15 Single 6.0/7.0 0.5
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Stainless steel, 30 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.16 18–20 6–7 Single 5.0 0.5 Air 0.8 18–20 -17–-18 Single 6.0/7.0 0.5 N2 0.2 18–20 6–7 Single 5.0 0.5 Air 1.3 18–20 -17–-18 Single 6.0/7.0 0.5 N2 0.6 18–20 6–7 Single 5.0 0.5
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Stainless steel, 40 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.1 18–20 6–7 Single 5.0 0.5 N2 0.15 18–20 6–7 Single 5.0 0.5 N2 0.25 18–20 6–7 Single 5.0 0.5
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Stainless steel, 50 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.1 18–20 5–6 Single 5.0 0.5 N2 0.15 18–20 5–6 Single 5.0 0.5
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Stainless steel, 60 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.1 18–20 5–6 Single 5.0 0.5
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Stainless steel, 70 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm N2 0.06 18–20 4–5 Single 5.0 0.5
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Aluminium: parameters by thickness Aluminium, 1 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 17–18 12–16 0 Single 1.0/1.2/1.5 0.5 Air 25–27 12–16 0 Single 1.0 0.5 Air 24–25 12–16 0 Single 1.0/1.2/1.5 0.5 Air 30–33 12–16 0 Single 1.0/1.2/1.5 0.5 Air 35–37 12–16 0 Single 1.0/1.2/1.5 0.5 Air 42–45 12–16 0 Single 1.5 0.5 Air 45–47 12–16 0 Single 1.5 0.5
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Aluminium, 2 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 4.5–5 12–16 0–-0.5 Single 1.5/2.0 0.5 Air 8–9 12–16 0–-0.5 Single 1.5 0.5 Air 8–9 12–16 0–-0.5 Single 1.5/2.0 0.5 Air 10–12 12–16 0–-0.5 Single 1.5/2.0 0.5 Air 15–17 12–16 0–-0.5 Single 1.5/2.0 0.5 Air 25–27 12–16 0–-0.5 Single 2.0 0.5 Air 30–32 12–16 0–-0.5 Single 2.0 0.5
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Aluminium, 3 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 1.8–2 12–16 0–-0.5 Single 2.0/2.5/3.0 0.5 Air 3.8–4.2 12–16 0–-0.5 Single 2.0 0.5 Air 3–4 12–16 0–-0.5 Single 2.0/2.5/3.0 0.5 Air 5.5–5.9 12–16 0–-0.5 Single 2.0/2.5/3.0 0.5 Air 6.5–7 12–16 0–-0.5 Single 2.0/2.5/3.0 0.5 Air 13–15 12–16 0–-0.5 Single 2.0 0.5 Air 17–19 12–16 0–-0.5 Single 2.0 0.5
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Aluminium, 4 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 2–2.2 12–16 -1–-1.5 Single 3.0 0.5 Air 1.6–1.9 12–16 -1–-1.5 Single 3.0 0.5 Air 2.8–3.2 12–16 -1–-1.5 Single 3.0 0.5 Air 4.5–4.8 12–16 -1–-1.5 Single 3.0 0.5 Air 9–10 12–16 -1–-1.5 Single 2.0 0.5 Air 12–13 12–16 -1–-1.5 Single 2.0 0.5
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Aluminium, 5 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.8–1.0 12–16 -1.–-2 Single 3.5 0.5 Air 6–6.5 12–16 -1.5–-2 Single 2.5 0.5 Air 8–9 12–16 -1.5–-2 Single 2.5 0.5
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Aluminium, 6 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.8–0.9 12–16 -2–-3 Single 3.5/4.0 0.5 Air 1.2–1.4 12–16 -2–-3 Single 3.5/4.0 0.5 Air 2–2.2 12–16 -2–-3 Single 3.5/4.0 0.5 Air 4.5–5 12–16 -2–-3 Single 2.5 0.5 Air 7.5 12–16 -2–-3 Single 2.5 0.5 Air 10 12–16 -2–-3 Single 2.5 0.5 Air 12 12–16 -2–-3 Single 2.5 0.5 Air 14 12–16 -2–-3 Single 2.5 0.5
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Aluminium, 8 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5–0.6 16–18 -3–-4 Single 4.0 0.5 Air 1–1.2 16–18 -3–-4 Single 4.0 0.5 Air 2.8–2.9 16–18 -3–-4 Single 3.5 0.5 Air 5.8 16–18 -3–-4 Single 3.5 0.5 Air 6.5 16–18 -3–-4 Single 3.5 0.5 Air 8 16–18 -3–-4 Single 3.5 0.5 Air 9 16–18 -3–-4 Single 3.5 0.5
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Aluminium, 10 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5–0.6 16–18 -5–-5.5 Single 4.0 0.5 Air 1.7–1.8 16–18 -5–-5.5 Single 4.0 0.5 Air 3.7 16–18 -5–-5.5 Single 4.0 0.5 Air 3.5 16–18 -5–-5.5 Single 4.0 0.5 Air 5 16–18 -5–-5.5 Single 4.0 0.5 Air 6.5 16–18 -5–-5.5 Single 4.0 0.5
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Aluminium, 12 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 1.0–1.2 16–20 -6–-6.5 Single 4.0 0.5 Air 2 16–20 -6–-6.5 Single 4.0 0.5 Air 2.5 16–20 -6–-6.5 Single 4.0 0.5 Air 3 16–20 -6–-6.5 Single 4.0 0.5 Air 4 16–20 -6–-6.5 Single 4.0 0.5
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Aluminium, 14 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.7–0.9 16–20 -7–-8 Single 5.0 0.5 Air 1.2 16–20 -7–-8 Single 5.0 0.5 Air 2 16–20 -7–-8 Single 5.0 0.5 Air 2.5 16–20 -7–-8 Single 5.0 0.5 Air 3 16–20 -7–-8 Single 5.0 0.5
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Aluminium, 16 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5–0.6 16–20 -8–-9 Single 5.0 0.5 Air 0.9 16–20 -8–-9 Single 5.0 0.5 Air 1.5 16–20 -8–-9 Single 5.0 0.5 Air 1.8 16–20 -8–-9 Single 5.0 0.5 Air 2 16–20 -8–-9 Single 5.0 0.5
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Aluminium, 18 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.7 16–20 -9–-10 Single 5.0 0.5 Air 1 16–20 -9–-10 Single 5.0 0.5 Air 1.2 16–20 -9–-10 Single 5.0 0.5 Air 1.6 16–20 -9–-10 Single 5.0 0.5
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Aluminium, 20 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.6 16–20 -10–-11 Single 5.0 0.5 Air 0.8 16–20 -10–-11 Single 5.0 0.5 Air 1.2 16–20 -10–-11 Single 5.0 0.5
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Aluminium, 22 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5 16–20 -11–-12 Single 5.0 0.5 Air 0.8 16–20 -11–-12 Single 5.0 0.5
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Aluminium, 25 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5 16–20 -11–-12 Single 5.0 0.5
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Brass: parameters by thickness Brass, 1 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 15–17 12–16 0 Single 1.0/1.2/1.5 0.5 Air 24–25 12–16 0 Single 1.0 0.5 Air 22–23 12–16 0 Single 1.0/1.2/1.5 0.5 Air 28–29 12–16 0 Single 1.0/1.2/1.5 0.5 Air 33–35 12–16 0 Single 1.0/1.2/1.5 0.5 Air 40–42 12–16 0 Single 1.5 0.5 Air 42–45 12–16 0 Single 1.5 0.5
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Brass, 2 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 3–3.5 12–16 0–-0.5 Single 1.5/2.0 0.5 Air 7–8 12–16 0–-0.5 Single 1.5 0.5 Air 7–8 12–16 0–-0.5 Single 1.5/2.0 0.5 Air 9–10 12–16 0–-0.5 Single 1.5/2.0 0.5 Air 14–15 12–16 0–-0.5 Single 1.5/2.0 0.5 Air 23–25 12–16 0–-0.5 Single 2.0 0.5 Air 28–30 12–16 0–-0.5 Single 2.0 0.5
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Brass, 3 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 1.1–1.3 12–16 0–-0.5 Single 2.0/2.5/3.0 0.5 Air 2.7–3 12–16 0–-0.5 Single 2.0 0.5 Air 3–4 12–16 0–-0.5 Single 2.0/2.5/3.0 0.5 Air 4.5–5 12–16 0–-0.5 Single 2.0/2.5/3.0 0.5 Air 6.2–6.5 16–20 0–-0.5 Single 2.0/2.5/3.0 0.5 Air 12–13 12–16 0–-0.5 Single 2.0 0.5 Air 15–17 12–16 0–-0.5 Single 2.0 0.5
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Brass, 4 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 1.5–1.7 12–16 -1–-1.5 Single 3.0 0.5 Air 1.6–1.9 12–16 -1–-1.5 Single 3.0 0.5 Air 2.6–2.8 12–16 -1–-1.5 Single 3.0 0.5 Air 4.3–4.5 16–20 -1–-1.5 Single 3.0 0.5 Air 9–10 12–16 -1–-1.5 Single 2.0 0.5 Air 11–12 12–16 -1–-1.5 Single 2.0 0.5
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Brass, 5 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 5–6 12–16 -1.5–-2 Single 2.5 0.5 Air 7–8 12–16 -1.5–-2 Single 2.5 0.5
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Brass, 6 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5–0.6 12–16 -2–-3 Single 3.5/4.0 0.5 Air 1–1.2 16–18 -2–-3 Single 3.5/4.0 0.5 Air 1.8–2.0 16–20 -2–-3 Single 3.5/4.0 0.5 Air 4–4.5 12–16 -2–-3 Single 2.5 0.5 Air 6.8 12–16 -2–-3 Single 2.5 0.5 Air 9 12–16 -2–-3 Single 2.5 0.5 Air 10.5 12–16 -2–-3 Single 2.5 0.5 Air 12 12–16 -2–-3 Single 2.5 0.5
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Brass, 8 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5–0.6 16–18 -3–-4 Single 4.0 0.5 Air 0.9–1.0 16–20 -3–-4 Single 4.0 0.5 Air 2.3–2.5 16–18 -3–-4 Single 3.5 0.5 Air 5.2 16–18 -3–-4 Single 3.5 0.5 Air 6 16–18 -3–-4 Single 3.5 0.5 Air 7 16–18 -3–-4 Single 3.5 0.5 Air 8 16–18 -3–-4 Single 3.5 0.5
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Brass, 10 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5–0.6 16–18 -5–-5.5 Single 4.0 0.5 Air 1.5–1.6 16–18 -5–-5.5 Single 4.0 0.5 Air 3.2 16–18 -5–-5.5 Single 4.0 0.5 Air 3 16–18 -5–-5.5 Single 4.0 0.5 Air 4 16–18 -5–-5.5 Single 4.0 0.5 Air 5.5 16–18 -5–-5.5 Single 4.0 0.5
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Brass, 12 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 1.0–1.2 16–20 -6–-6.5 Single 4.0 0.5 Air 1.7 16–20 -6–-6.5 Single 4.0 0.5 Air 2 16–20 -6–-6.5 Single 4.0 0.5 Air 2.2 16–20 -6–-6.5 Single 4.0 0.5 Air 3.1 16–20 -6–-6.5 Single 4.0 0.5
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Brass, 14 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.7–0.9 16–20 -7–-8 Single 5.0 0.5 Air 1.2 16–20 -7–-8 Single 5.0 0.5 Air 1.6 16–20 -7–-8 Single 5.0 0.5 Air 2 16–20 -7–-8 Single 5.0 0.5 Air 2.3 16–20 -7–-8 Single 5.0 0.5
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Brass, 16 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5–0.6 16–20 -8–-9 Single 5.0 0.5 Air 0.8 16–20 -8–-9 Single 5.0 0.5 Air 1.2 16–20 -8–-9 Single 5.0 0.5 Air 1.5 16–20 -8–-9 Single 5.0 0.5 Air 1.8 16–20 -8–-9 Single 5.0 0.5
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Brass, 18 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.6 16–20 -9–-10 Single 5.0 0.5 Air 0.8 16–20 -9–-10 Single 5.0 0.5 Air 0.9 16–20 -9–-10 Single 5.0 0.5 Air 1.2 16–20 -9–-10 Single 5.0 0.5
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Brass, 20 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.5 16–20 -10–-11 Single 5.0 0.5 Air 0.7 16–20 -10–-11 Single 5.0 0.5 Air 1 16–20 -10–-11 Single 5.0 0.5
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Brass, 22 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.4 16–20 -11–-12 Single 5.0 0.5 Air 0.7 16–20 -11–-12 Single 5.0 0.5
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Brass, 25 mm Power Gas Speed m/min Pressure bar Focus mm Nozzle Stand-off mm Air 0.4 16–20 -11–-12 Single 5.0 0.5
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FAQ
How fast does a fiber laser cut 10 mm carbon steel? With oxygen, about 0.9 to 1.0 m/min at 1.5 to 2 kW, 1.8 to 1.9 m/min at 4 kW and 2.2 to 2.3 m/min from 6 kW up, according to Maxphotonics reference data. With compressed air, 12 kW reaches about 9 m/min and 15 kW about 11 m/min.
What laser power do I need to cut 20 mm stainless steel? For production, 10 kW or more: 10 kW cuts 20 mm stainless steel with nitrogen at about 1.2 m/min, 12 kW at 1.5 m/min and 15 kW at 2.2 m/min. A 6 kW source can cut through 20 mm but is not rated for series work at that thickness.
Why does oxygen cutting speed stop rising above 12 kW? In oxygen cutting the burning of iron in oxygen supplies much of the energy and limits the speed. Extra laser power is used better by cutting with high-pressure air, which keeps getting faster with power.
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