Blogs - Page 2 - Huntingdon Fusion Techniques HFT®

Principles of Tube and Pipe Weld Purging in Industrial Applications

This case study explores the critical principles of weld purging in stainless steel tube and pipe welding, highlighting the importance of eliminating atmospheric gases to achieve high-quality welds. Despite the availability of advanced purging systems, many fabricators continue to use outdated and ineffective methods, leading to weld defects, increased costs, and compromised product quality. The […]

Weld Purging Techniques in Orbital Welding for Industrial Applications

This case study explores the critical role of weld purging in orbital welding, a process increasingly used across industries requiring high-quality, repeatable welds, particularly in challenging positions such as overhead or down-hand. While orbital welding offers significant advantages over manual welding by eliminating variability and ensuring consistent results, maintaining weld quality depends on effective purging […]

Optimising Pipe Welds in Industrial Applications through Advanced Gas Purging Techniques

In industrial settings where pipe welds must endure significant stress, achieving high-quality weld roots is critical. Proper weld reinforcement, free from atmospheric contamination, ensures welded joints' mechanical strength and longevity. This case study explores the importance of gas purging in optimising root welds, highlighting techniques and tools that enhance weld quality in demanding environments. Effective […]

Innovative Pipe Freezing Solutions for Cost-Effective Maintenance in Industrial Applications

In industrial settings, repairing or replacing pipe sections and in-line components often necessitates isolating parts of the pipeline, traditionally achieved by draining the system. This process can be costly, time-consuming, and disruptive to production. Huntingdon Fusion Techniques offers an efficient alternative with their Qwik-Freezer® and Accu-Freeze® systems, which enable precise and reliable pipe-freezing to isolate […]

Argweld Weld Trailing Shield® Technology: Enhancing Inert Gas Coverage for High-Quality Welding

Maintaining high-quality, contamination-free welds on materials like titanium and stainless steel is crucial in industries where weld integrity is paramount, such as aerospace, nuclear, pharmaceuticals, and biofuels. Standard gas shielding provided by conventional welding methods often falls short, especially under high heat input or when welding sensitive alloys. This is where Argweld Weld Trailing Shields® […]

Understanding Tungsten Electrodes for TIG/GTAW Welding: A Comprehensive Guide

Tungsten Inert Gas (TIG) or Gas Tungsten Arc Welding (GTAW) has been a staple in achieving high-quality fusion welds since its inception in the 1950s. The selection of tungsten as the electrode material was primarily due to its high melting point and non-consumable nature. However, as welding technology advanced, the limitations of pure tungsten became […]

Preventing Corrosion in Stainless Steel Welding for Industrial Applications

Despite their reputation for durability, stainless steels are vulnerable to corrosion, especially during and after welding, when improper techniques can degrade their protective chromium oxide film. The study highlights the importance of weld purging—a process that displaces atmospheric gases in the weld zone with an inert gas, typically argon—to prevent oxidation during welding. Various purging […]

Advances in Weld Purge Gas Oxygen Monitoring for Critical Industrial Applications

Maintaining welds' integrity through effective gas purging is crucial in petrochemical, pharmaceutical, cryogenics, food and beverage, and semiconductor manufacturing. Oxygen contamination during welding can lead to discolouration and, more critically, the formation of oxide deposits that jeopardise product quality and safety. Ensuring oxygen levels are precisely controlled during welding is essential for achieving high-quality, corrosion-resistant […]

WAAM (Wire and Arc Additive Manufacturing) for Marine Propellers and Aircraft Structures

Wire and Arc Additive Manufacturing (WAAM) is revolutionising the production of significant, complex components, particularly in the marine and aerospace industries. Unlike traditional 3D printing methods, WAAM uses fusion welding to build metal parts layer by layer, creating durable, custom components on demand. This case study highlights WAAM's successful applications in producing marine propellers and […]

Welding Technology in the Power Industry: Facing Challenges and Opportunities

The global surge in new electricity generation plants and refits over the next two decades presents significant opportunities for the fabrication sector. Innovations in welding technology are critical to meeting the high standards required, particularly in constructing safety-critical components. As the power industry gears up for this challenge, traditional and advanced welding techniques are being […]

Welding Reactive Metals: A Case Study on Overcoming Challenges in High-Performance Industries

The Challenges of Welding Reactive Metals Reactive metals such as zirconium, titanium, and beryllium, along with refractory metals like tantalum and columbium (niobium), are increasingly being used in aerospace, automotive, medical, and military industries due to their durability, low density, biocompatibility, and high corrosion resistance. However, these materials are expensive, and welding procedures must be […]

Challenges in Welding Nickel Alloys

Nickel alloys are widely used in industries where high-temperature strength and excellent corrosion resistance are paramount. Common nickel alloys, such as those in the Hastelloy series, which contain chromium and molybdenum, find applications in aerospace, power generation, petrochemical, offshore, and automotive sectors. However, welding these alloys presents unique challenges, particularly in preventing porosity and contamination, […]

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