Page 29 - Automated Cutting Solutions

INDUSTRIAL GAS SOLUTIONS

Pure Gases and Star Family of Blends

In the metal cutting Argon (Ar) Volume Pressure at 70 ºF (21 ºC) Part Number
industry, argon is used (ft3/m3) (psig/kPa)
to create an inert Cylinder Size 335/9.30 2,640/18,202 AR T
environment as well as AR K
plasma arc marking. T 248/6.88 2,200/15,168 Part Number
K Volume (ft3) Pressure (psig) On request
Cryogenic Liquid On request
160-250L 4,460-6,080 230
450-3,000L Microbulk
12,478-80,425 250, 350 or 500

Nitrogen (N2)

Nitrogen is utilized as Cylinder Size Volume Pressure at 70 ºF (21 ºC) Part Number
a shielding gas and a (ft3/m3) (psig/kPa)
plasma marking gas. T NI T
K 304/8.44 2,640/18,202 NI K
Cryogenic Liquid Part Number
160-250L 228/6.33 2,200/15,168 On request
450-3,000L Microbulk Volume (ft3) Pressure (psig) On request

3,930-4,740 230

10,332-66,590 250, 350 or 500

Oxygen (O2) Volume Pressure at 70 ºF (21 ºC) Part Number
(ft3/m3) (psig/kPa)
Cylinder Size OX T
Oxygen is typically used in 337/9.35 2,640/18,202 OX K
the oxy-fuel cutting process T Part Number
or as a plasma gas and K 249/6.91 2,200/15,168 On request
shielding gas with many Cryogenic Liquid On request
automated plasma arc 160-250L Volume (ft3) Pressure (psig)
cutting systems. 450-3,000L Microbulk
4,580-6,250 230

12,760-82,235 250, 350 or 500

Praxair’s HydroStar Blends

Produces a metallurgically Mixture Composition % Cylinder Volume Pressure Part Number
clean cut edge with virtually Ar H2 N2 Style (ft3) (psig)
no dross. HydroStar argon/ HY STAR81-T
hydrogen and nitrogen/ HydroStar F-5 5 95 T 300 2,400 HY STAR81-K
hydrogen blends are AR STAR56-T
primarily used when cutting K 223 2,000 AR STAR56-K
stainless steel and nickel
alloys. HydroStar H-35 65 35 T 276 2,400

K 207 2,000

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