E308L vs E309L
E308L vs E309L electrodes are both stainless steel electrodes as per AWS A5.4. 309L is typically used for dissimilar welding …
Welding Inspection
“Bend Testing”- What is it and why is it important?
Bend testing Bend testing is a destructive test that is used to determine the strength and ductility of materials. The …
ISO Weld Symbols Explained
There are different standards of welding symbols, and each one has its own applications. Apart from AWS A2.4, the 2nd …
Reverse polarity welding
Reverse polarity welding, also called DCEP, is a type of welding polarity in which the electrode is positive (Anode) and …
Low Hydrogen Electrode Storage
Low Hydrogen Electrodes Storage Electrodes packed effectively in hermetically sealed tin containers or plastic bags can be stored for any …
Ferrite Content in Welds
Ferrite content is necessary in austenite weldment to avoid hot cracking. Ferrite produces ferrite-austenite grain boundaries that controls sulfur & …
Low Hydrogen Electrode: the little-known Secret Revealed
What is Low Hydrogen Electrode? Low-hydrogen electrode, as the name implies, are those in which the coatings are absolutely free …
Polarity in Welding: Science behind Welding Polarity
What is Polarity in Welding? Polarity in welding is an important factor to consider when joining two pieces of metal …
Underbead Cracking in Welding: Causes and Prevention
What is underbead cracking in Welding? Underbead Cracking in Welding is a type of cracking that occurs in the heat …
Crater crack in Welding: Mistake you don’t want to make
What is Crater Crack in Welding? A crater crack is a type of welding defect that can occur when: Crater …
