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GAS/MIX
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PROCESS
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MATERIALS
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APPLICATION & BENEFITS
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Norgas 1
O2,
CO2, AR
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GMAW,
FCAW (limited), Short Arc, Spray Arc, Pulse
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Carbon
Steels, Low Alloy Steels
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- 3/16” to 1/2” thickness
- Better operator appeal
verses AR/CO2 mixes
- Good multi-pass capabilities
- Good arc stability
- Low smoke & spatter
levels
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Norgas 2
HE/AR
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GMAW,
GTAW
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Aluminum,
Magnesium
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- Compared to Argon:
- Better bead width &
fusion
- Heat transfer improved
- Wetting action & travel
speeds increase
- Used for medium material
thickness, 3/32” – 3/8”
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Norgas 3
O2/CO2/AR
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GMAW,
FCAW (limited), Short Arc, Spray Arc, Pulse
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Carbon
Steels, Low Alloy Steels
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- Better choice for materials
up to 3/16"
- Both spray and short arc
transfer
- Goes into spray transfer at
lower voltages
- Increased wetting. High
deposition efficiency. Improved mechanical properties
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Norgas 4
CO2/AR/HE
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GMAW,
Short Arc only
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Stainless
Steel
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- Good for arc wire welding of
thin gauge stainless steel
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Norgas 6
CO2/AR
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GMAW,
Short Arc, Spray Arc, Pulse
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Carbon
Steels, Low Alloy Steels, Stainless Steels
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- Excellent with pulse on
heavy sections of steel and stainless
- Used for out of position
welding and thinner plate in pulse mode
- Maximum C02 allowed to weld
stainless to avoid carbide precipitation
- Low smoke
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Norgas 7
CO2/AR
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GMAW,
FCAW, Short Arc, Spray Arc, Pulse
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Carbon
Steels, Low Alloy Steels
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- Excellent mechanical
properties
- Increased travel speeds
- Improved wetting with
increase in width of fusion
- Used more in spray transfer
and metalcore wires
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Norgas 8
CO2
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GMAW,
FCAW, Short Arc, Spray Arc
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Carbon
Steels, Low Alloy Steels, Heavy Material
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- Close to Norgas
7 but has better tolerance to mil scale
- Used more in short arc than
spray mode
- Flux cored wires
- Good deposition for short
arc
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Norgas 9
CO2/AR
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GMAW,
FCAW, Short Arc Only
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Carbon
Steels, Low Alloy Steels
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- For short arc applications
versus CO2
- Decrease in crown
- Less spatter
- Less burn through
- Decrease in smoke
- Most popular for flux cored
wires
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Norgas 10
O2/AR
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GMAW,
Spray Arc Only
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Carbon
Steels, Low Alloy Steels, Stainless Steels
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- Provides good shielding at
low flow rates
- Tolerant of arc length
changes
- Good wetting and arc
stability
- Provides lowest level of
fumes on solid wires
- Also used on stainless where
high corrosion resistance is needed
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Norgas 11
O2/AR
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GMAW,
Spray Arc Only
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Carbon
Steels, Low Alloy Steels, Stainless Steels
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- Weld puddle fluidity
increases
- Faster travel speeds
- Lower transition level to
spray
- Droplet size will decrease
while the droplet rate will increase
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Norgas 12
HE/AR
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GMAW,
GTAW
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Aluminum
Alloys, Magnesium, Copper and Nickel Alloys
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- Hot
- Good on thick aluminum with
good x-ray quality
- Reduces cleaning
- Less spatter and high travel
speeds
- 5/32" - 1/2"
material thickness
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Norgas 14
H2/AR
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PAW, PAG, PAC Plasma Arc Welding, Gouging
and Cutting
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Stainless
Steels, Nickel, Nickel Alloys, Magnesium and Low Alloy Steels
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- Used mainly for plasma
cutting and gouging on stainless alloy and aluminum
- Leaves a very smooth, shiny
and non-contaminated edge or groove
- In welding, used for
high-speed automatic welding of stainless tanks
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Norgas 15
CO2/HE/AR
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GMAW,
Spray Arc, Pulse
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Stainless
Steels, Low Alloy Steels
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- Smooth spray transfer
characteristics
- Strong welds which are
smooth and bright in color
- Very high deposition rates
- Great control over the weld
pool
- Good for both stainless and
carbon steels
- Good out of position in
pulse mode
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Norgas 17
CO2/AR
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GMAW,
FCAW, Spray Arc, Pulse
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Carbon
Steels, Low Alloy Steels
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- Very close to Norgas 7 but better in the spray transfer mode
- Increased travel speeds
- Excellent mechanical
properties
- Very high deposition rates.
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Norgas 21
H2/AR
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GTAW,
PAW
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Stainless
Steels, Nickel Alloys, Low Alloy Steels
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- Used for GTAW & PAW only
- Excellent clean bead
appearance
- Increased travel speed and
penetration over argon
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Norgas 31
H2/N2
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PAC
Plasma Arc Cutting
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Aluminum,
Stainless Steels
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- Good for high speed cutting
of thin gauge material
- Dross free cut
- Much smoother and weldable edge
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Norgas 32
CO2/HE/AR
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GMAW,
Short Arc, Spray Arc, Pulse
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Stainless
Steels, Carbon Steels, Low Alloy Steels
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- Smooth short arc and spray
arc characteristics
- Works for both Carbon &
Stainless Steels
- Good for both thin &
thick materials
- Smooth starts with very
little spatter
- Very cost effective when you
can use one gas for most applications.
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