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Welding repair – Fabrication defects and service failures
Introduction Welding repair of defects ranges from simple operations to improve the weld profile to more extensive procedures involving significant metal removal and subsequent rewelding to address extensive cracking. Repairing defects that occur during fabrication is generally easier than addressing service failures because the same…
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Welding Procedure and performance qualification
Welding Procedure and performance qualification – ASME Section IX Welding Procedure Specification (WPS) A Welding Procedure Specification (WPS) is a written document that provides detailed instructions to the welder for making production welds in accordance with code requirements. Every WPS must be qualified by the manufacturer….
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Helium Leak testing
Helium leak testing is a critical procedure used to identify and measure the presence of helium leaks in various systems, often employed in aerospace, industrial, and manufacturing applications due to helium’s small atomic size and inert properties. Key Concepts in Helium Leak Testing: Helium as…
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GTAW Welding on Stainless Steel
GTAW Welding on Stainless steel – SS Produces very strong/tough weld compared to other process Slow process Good appearance Mostly used for Root and hot pass & Low thickness material Low heat input…
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SMAW – Shielded Metal Arc Welding on SS Material
Arc welding on SS material : Electrode specification standard : AWS A 5.4 Gas – Not required Example of electrode spec: Austenitic SS : E209, E316, E308, E309, E316, E316L (L – Low Carbon), Martensitic : E410-16 Precipitation hardened : E7Cr-16 Enclosed herewith the Electrode selection chart for…
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Welding on Stainless Steel
Stainless Steel They are similar to steel (having Ferrous and carbon) , but chromium content is more than 10.5% thus making it more corrosion resistant What are the types of Stainless Steel ? (based on the grain structure): 1) Ferritic (ex: SS type 409, 430, 442…
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Probe Selection for Ultrasonic Scanning of welds
Ultrasonic testing involves sound waves , that is otherwise called as vibration traveling inside a medium , the ultrasonic sound waves gets reflected back whenever there is change in a material ( different acoustic impedance ) , the reflection is more when the sound…
Training
Welder Training at AQC school of Welding Excellance
Forge Your Future in Welding Excellence! Enroll at AQC School of Welding Excellance Today!
Are you passionate about welding and ready to turn that passion into a lucrative career? Look no further! 
Here’s why AQC Welding training school is the gateway to…
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What is Brazing ? Where is brazing process used ?
Brazing Process We Advanced Quality Centre, AQC School of Welding Excellence , train Welders , Brazing operators and Soldering applicator in our in house facility and other industrial facility , we train from scratch and make the experts in them. This blog answers the below basic…Latest News
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