The Best Gases for CNC Plasma Cutting: Oxygen, Nitrogen, or Air?
Wondering which is the best gas for CNC plasma cutting? Depending on the type of metal that you are cutting, there are different types of gases or a mixture of gases. Some of the most common gases for CNC plasma cutting are oxygen, nitrogen, argon hydrogen and air. This is a quick guide to select the best bases for CNC plasma cutting for optimum performance & results.
Best Gases for CNC Plasma Cutting
Oxgyen
Oxygen is one of the most common CNC plasma cutting gases for mild steel. O2 allows for precise and clean cuts for quick cutting. Oxygen is not suitable for aluminium and stainless plates. It is crucial to note that oxygen is expensive and short life of consumables, also it does not work on shiny surfaces.
Nitrogen
Nitrogen is used for high-current plasma machines and can but metals of thickness up to 3 inches. Nitrogen is the best gas for plasma cutting stainless steel, aluminium and mild steel to achieve high precision cuts. For thicker metals, you can mix argon and nitrogen. Basically, air is the best secondary gas for nitrogen plasma.
Air
Air is the most versatile and best gas for plasma cutting aluminium, stainless steel and mild steel. It produces precise, high-quality cuts on various materials. Air is a cost-effective plasma gas but needs to be cleaned to remove contaminants, moisture & oil mist.
Best Recommendations for Gases for CNC Plasma Cutting
The most economical & best gas for plasma cutting is air, which is ideal for mild steel, aluminium and stainless steel.
The best gas for plasma cutting for mild steel cutting is oxygen for high-quality cuts and fast cutting.
Nitrogen plasma with the combination of CO2 is suitable for stainless steel and aluminium.
Looking for custom CNC plasma Vadodara? We provide high-quality plasma cutting services for different metals, including stainless steel, brass, mild steel, to aluminium. To discuss your requirements, call us.
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