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🧪 Purge gas, back purge difference, done in just 5 minutes! Back purge honey tip revealed🔥

Download link for materials (below) Purging with Nitrogen in the Welding of Austenitic Stainless Steels (AWS Homepage) https://www.google.com/url?sa=t&rct=j... 🧪 Are you accurately distinguishing between 'shielding gas' and 'purge gas' when welding? In the field, the phrase "Use argon or use nitrogen" is often used, but the characteristics and uses of the two are completely different. In this video, we will explain the chemical and physical differences between argon and nitrogen, and how to select a shielding gas for each welding process such as GTAW, GMAW, and FCAW in an easy and clear manner. 🔍 Summary of Key Learning Points SG-A (Argon) · Excellent arc stability as an inert gas · Optimal for welding non-ferrous metals such as aluminum, titanium, and nickel · Deep penetration and concentrated arc characteristics (formation of finger-shaped beads) SG-N (Nitrogen) · Used as a backing gas to protect the welding roots of some stainless steels · Can bind to metals at high temperatures and cause ferrite reduction · Mainly used in small amounts in duplex stainless steels (3% or less) ✅ What is **Back Purge**? · A method of filling the inside with gas to protect the root from oxygen and nitrogen in the air Generally argon is used, but nitrogen can be used in combination in some situations ✅ Download data AWS official data PDF link (1975) 👨‍🏭 Recommended for these people ✔️ GTAW (argon welding) practitioners or trainees ✔️ Welding engineers whose purge gas usage standards were unclear ✔️ Those for whom shielding gas selection is important when welding stainless steel/duplex ✔️ Quality document managers such as WPS writing and PQR testing #Argon gas #Nitrogen gas #Purge gas #Back purge #Shielding gas #Welding gas #argon #nitrogen #shieldinggas #purginggas #backinggas #GTAW #GMAW #Stainless steel welding #Aluminum welding #Welding quality #WPS #PQR #Plant welding #Plant lecture #Welding lecture #duplexwelding #arcstability #Inert gas #Welding practice #Welding tips

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