C8 MIG Welding Gas 300 cu/ft (Cylinder Size T, 50)
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Premium 92/8 Argon/CO₂ MIG Shielding Gas (C8)
- This is product page is for ordering of gas only. A Business account and cylinder rental agreement is required. Please contact our sales team for more information. support@canadaweldingsupply.ca, 1-888-817-3344
Product Overview
Our 92/8 Argon/CO₂ Blend (C8) is a high-performance, precision-engineered shielding gas designed for structural fabrication, heavy manufacturing, and high-speed production welding of carbon and low-alloy steels. By optimizing the mixture to 92% Argon and 8% Carbon Dioxide, this blend serves as the ultimate catalyst for spray-transfer MIG welding.
While standard C25 gas is limited to lower-productivity short-circuit welding, C8 allows you to turn up the voltage and transition into a smooth, high-deposition "spray" of molten metal droplets. The result is exceptionally deep penetration, incredibly fast travel speeds, and an almost entirely spatter-free finish on thick structural plates.
Key Features & Benefits
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Optimized for Spray-Transfer: The low 8% $\text{CO}_2$ content allows the welding arc to easily cross the threshold into a true spray transfer mode, delivering massive deposition rates.
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Virtually Spatter-Free: Experience incredibly clean welds. C8 eliminates the harsh, explosive droplets of high-CO2 mixes, virtually wiping out post-weld grinding and cleanup time.
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High-Speed Productivity: Excellent fluid puddle fluidity allows for faster travel speeds, making it the top choice for automated, robotic, and high-volume manual production lines.
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Excellent Bead Appearance: Produces flat, smooth weld beads with a beautiful wash-in at the toes of the weld, reducing stress concentration points in structural joints.
Primary Welding Applications
| Material | Thickness Range | Best Used For |
| Heavy Carbon Steel | 1/4" (6 mm) and thicker |
Structural steel framing, bridges, heavy machinery, and trailer manufacturing.
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| Low-Alloy Steel | Medium to heavy plate |
Pressure vessels, earthmoving equipment, and industrial piping.
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| Robotic/Automated MIG | All compatible thicknesses |
High-speed assembly lines where post-weld cleanup must be minimized.
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Note: Because C8 operates at higher heat and energy inputs, it is designed for welding in the flat and horizontal positions on thicker materials, rather than thin sheet metal.
Technical Specifications
- Composition: 92% Argon, 9% Carbon Dioxide
- Classification: AWS A5.32 / ISO 14175-M20
- Cylinder Valve Outlet: CGA 580 (Standard for Inert/Mix Gases)
- Recommended Transfer Mode: Spray Transfer, Pulsed Spray Transfer (Can also be used for short-circuit on specific applications)
- Gas Density: Heavier than air, providing excellent, robust weld pool coverage
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Cylinder Size: Large, T, 50L 300CF
- Cylinder Height: 1409mm / 55.5" (Approx.)
- Cylinder Width: 228.6mm / 9" (Approx.)
- Cylinder Tare Weight: 60.8kg / 134 lb (Approx.)
- TDG Name: COMPRESSED GAS, N.O.S.* (Argon, Carbon Dioxide)
- Hazard Class: CA-2.2 (Non-flammable, non-toxic gas)
- UN Number: UN1956
⚠️ Safety & Handling Information
High Heat Ventilation: Spray-transfer welding generates higher ozone and fume levels due to increased heat inputs. Always use adequate local exhaust ventilation or a fume extraction system.
Storage: Secure cylinders in an upright position using chains or robust carts. Store in a cool, dry, well-ventilated area.
Asphyxiant Hazard: Both Argon and CO2 are heavier than air and can displace oxygen in confined or poorly ventilated workspaces.