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Introduction: In the realm of welding, achieving high-quality welds with excellent integrity is paramount. One crucial technique that aids in this endeavor is the use of purging gas. Purging gas plays a vital role in preventing oxidation and ensuring a clean, controlled environment during welding. In this blog, we will explore the significance of purging gas, its purpose, techniques, and benefits in various welding applications. Join us as we delve into the world of purging gas and its impact on weld quality. Back purging is most important phenomenon in GTAW process because this process is mostly used in Stainless steel. Stainless steel is widely used fabrication of chemical, petrochemical, food etc. plant. All thin section and root welding is performed by GTAW process. GTAW process is also very popular in Aluminum welding. In all large diameter pipe the root pass welding is done by GTAW process where the back purging is mandatory. Purging gas protect the weld metal fro

Pressure Calculation Calculator:Minimum required thickness of pipeline for service as per ASME B31.3 Design Pressure (PSI): Diameter (inch): Stress 'S' (PSI): Quality Factor 'E': Weld Joint Reduction Factor 'W': Coefficient 'Y': Calculate Results: Min. Reqired Thickness tm (inch): 12.5% Allowance (inch): Mini. Required Thicknes (mm): After getting 12.5% allowance (inch) value again check ASME B36.10 or API 574 piping thickness table and choose thicknes value higher then this value for service. Calculating the Minimum Required Thickness of Pipelines for Service as per ASME B31.3 Introduction: In the field of engineering, designing safe and reliable pipelines is of utmost importance. The American Society of Mechanical Engineers (ASME) B31.3 code provides guidelines for the design and construction of process piping systems. One cr

Introduction: Non-destructive testing (NDT) techniques play a vital role in ensuring the integrity and safety of structures, materials, and components in various industries. Among the array of NDT methods available, ultrasonic flaw detection stands out as a powerful and versatile technique. In this blog, we will explore the fundamentals of ultrasonic flaw detection, its applications, and the benefits it offers in detecting and characterizing defects without causing damage. Join us as we dive into the world of sound waves and their ability to reveal hidden flaws. 1. Understanding Ultrasonic Flaw Detection: 1.1 The Basics of Ultrasonics: We'll introduce the principles of ultrasonics, explaining how sound waves are generated, propagated, and detected. 1.2 Interaction with Materials: We'll explore how ultrasonic waves interact with different materials, including their reflection, transmission, and absorption behaviors. 2. How Ultrasonic Flaw Detection Works: 2.1 Transducers: We'