Welding gas, often referred to as shielding gas, is a critical component in many arc welding processes. Its primary purpose is to protect the molten weld pool and the electrode from atmospheric gases such as oxygen, nitrogen, and hydrogen which can cause defects like porosity, brittleness, and oxidation. The choice of gas significantly influences the stability of the arc, the depth of penetration, and the final appearance of the weld bead.
Welding gas (specifically acetylene, the fuel gas that made modern gas welding possible) was discovered in 1836 by Edmund Davy, and oxy‑acetylene welding itself was developed later in 1903 by Edmond Fouché and Charles Picard.
If in doubt as to which Welding Gas is the most appropiate for your welding requirement, always ask your local stockist.
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