Argon-Carbon Dioxide Mixture for welding — matching the shielding mixture to the weld
An Argon-Carbon Dioxide Mixture for welding works by balancing two gases: argon stabilises the arc and limits spatter, while carbon dioxide raises heat input and penetration.
Choosing the right proportion for the thickness, wire and transfer mode is the key to a clean joint.
Choosing the right proportion for the thickness, wire and transfer mode is the key to a clean joint.
Mixtures are produced to EN ISO 14175 classifications and can support procedures qualified under EN ISO 15614-1 for MAG and flux-cored welding.
In short-arc transfer, a lower CO₂ level gives a cooler, controlled pool suited to thin plate and out-of-position work. In spray transfer, an argon-rich mixture around 10% to 18% CO₂ with sufficient current gives a fine droplet stream, high deposition and a clean bead. In pulsed MAG welding, the same mixtures help control heat input and reduce distortion on medium plate. For stainless steels, a mixture with much less CO₂ is normally chosen to protect corrosion resistance, so tell us the material when you place your order.
Typical flow rates are 12 to 18 litres per minute, and the contact tip to workpiece distance, nozzle condition and draught control all influence shielding. A well-sealed hose and a regulator without leaks help avoid air entering the weld zone and causing porosity, which is a common cause of rejected welds that has nothing to do with the gas composition itself. If you are developing a welding procedure specification, our staff can supply the exact mixture designation to enter in your documents.
🏭 Where Argon-Carbon Dioxide Welding Mixtures Are Used
- 🔥 Short-arc welding — lower CO₂ shares such as 8% help thin sheet avoid burn-through while keeping the pool controlled;
- ⚡ Spray-arc welding — argon-rich mixtures with around 10% CO₂ give high deposition rates on medium and thick plate;
- 🏗️ Flux-cored welding — 18-20% CO₂ suits many cored wires and site fabrication of structures;
- 🚢 Pipe and vessel work — consistent fusion across root and fill passes supports inspection and test requirements.
💡 Why Choose REAL GAZ
- ✅ Ratio guidance — our team recommends a proportion suited to the wire diameter and joint design;
- 🧪 Low moisture — dry mixtures reduce the risk of hydrogen-related porosity;
- 🎯 Consistent supply — the same mixture batch after batch supports a qualified welding procedure;
- 🔒 Cylinder quality — clean, inspected cylinders protect the gas on its way to the torch.
- 📄 Certificate of Analysis (CoA) — supplied with every order.
🔬 Quality Control & Safety
- controlled purification of argon and CO₂;
- accurate mixing to the ordered ratio;
- moisture analysis;
- leak testing and pressure checks.
Cylinders comply with ADR / UN transport rules and relevant EN/ISO standards.
⚙️ Trusted Gas Solutions
Welders often compare ratios by trial, but a reliable Argon-Carbon Dioxide Mixture for welding removes one variable from the test. REAL GAZ provides the gas and the advice to fabricators in Azerbaijan, Turkey, Georgia, Uzbekistan and the USA, from small workshops to shipyards and plant builders.
REAL GAZ — The right mixture makes the weld.