TIG welding



TIG Welding – Precision and Quality in Inert Gas Welding


TIG welding (tungsten inert gas welding) is a particularly precise welding process that belongs to the group of inert gas welding and fits seamlessly into the broad spectrum of arc welding. This process is primarily used for alloy steels and light metals, as it offers high weld bead quality while minimizing material distortion. In TIG welding, the electric arc forms between the tungsten electrode and the workpiece. The electrode itself does not melt but ensures a constant arc.


How does TIG welding work?


At the heart of TIG welding is the arc between the workpiece and a high-quality tungsten electrode. To join the components, a filler material in the form of a wire is often used, which is precisely fed into the weld zone. An inert gas such as argon or helium surrounds the arc and protects it from external influences such as oxygen or nitrogen. This shielding gas creates an optimal atmosphere for a clean, high-quality weld.


Advantages of TIG Welding


TIG welding offers numerous advantages that make it the preferred welding method in many industries. It provides excellent weld bead quality, as the shielding gas prevents slag formation and minimizes post-welding finishing. Material distortion is reduced to a minimum due to controlled heat input, thereby preserving shape and contours. In addition, the process is highly flexible and suitable for virtually all weldable metals and positions. The tungsten electrode ensures a constant arc, which enables consistently high quality. Precise control of the filler metal feed ensures optimal weld quality and makes TIG welding particularly reliable.


Typical Applications of TIG Welding


TIG welding is used in many industries where the highest standards of weld quality and reliability are required. In structural steel construction, load-bearing components are joined with strong and durable connections. In the chemical industry, corrosion-resistant welds are essential, and the TIG process delivers them exceptionally well. In aerospace engineering, high-precision components are manufactured that must withstand extreme stresses. In railing and piping construction, TIG welding ensures safe and aesthetically pleasing joints. Power plant construction and equipment manufacturing also benefit from the precision and versatility of this welding process.


Technical Details and Process Optimization


A key feature of TIG welding is the use of inert gases such as argon or helium, which shield the arc and create a contamination-free welding atmosphere. This prevents the formation of oxides or other impurities that could compromise the quality of the weld. The amount of filler metal is controlled manually or automatically, allowing for optimal adaptation to different workpieces. The process enables welding in all positions with consistently high quality. The tungsten electrode is highly durable and offers a long service life, which reduces costs. Modern welding machines also offer features such as pulse mode or high-frequency ignition, which further improve welding performance.


Why Choose TIG Welding at HORN?


At HORN, we rely on years of experience, state-of-the-art technology, and highly skilled welders to provide you with first-class TIG welds. Our focus is on precision, reliability, and sustainable solutions for demanding welding projects. We have a wide range of welding machines and gas shielding systems specifically designed for TIG welding. Whether for one-off pieces or series production—we always guarantee the highest quality and on-time delivery. Thanks to our comprehensive quality management system, we are able to meet the strictest standards and requirements of our customers and hold a wide range of certifications, including EN ISO 3834-2 (Quality requirements for welding), the Pressure Equipment Directive 2014/68/EU, AD 2000 Data Sheet HP0 including 2014/68/EU, Annex I, Section 3.1, certification according to EN 1090
(EN 1090-2 EXC 4/ EN 1090-3 EXC 2), and additionally a management system in accordance with EN ISO 9001:2015 as well as GTS quality management for thermal spraying. TIG welding is just one of many welding processes in which we at HORN have extensive expertise. Our core competence lies in custom manufacturing—from tank and machine construction using carbon steel, stainless steel, and specialty materials to mechanical machining, thermal coating, and complete assembly. Whether turning, milling, grinding, or welding: Our skilled professionals produce precise individual parts and complex assemblies — custom-made and of the highest quality.


WIG Schweißen für höchste Ansprüche


Das WIG Schweißen ist ein unverzichtbares Verfahren für hochwertige Schweißverbindungen mit maximaler Präzision und Sauberkeit. Es verbindet technische Raffinesse mit Flexibilität und eignet sich für vielfältige Anwendungen in Industrie und Handwerk. Mit HORN als Partner profitieren Sie von modernster Technologie und erfahrenem Know-how, um Ihre Schweißprojekte effizient und zuverlässig umzusetzen.