NARROW GAP TIG WELDING

Narrow Gap TIG Welding (also known as Narrow Gap GTAW – Gas Tungsten Arc Welding) is a precision welding technique designed for joining thick materials with minimal groove width. Unlike conventional TIG welding, which uses a wider groove, narrow gap TIG welding employs a carefully prepared V-shaped or near-parallel groove with a small root opening. This enables deeper penetration, fewer passes, and precise control over heat input, making it ideal for critical applications where weld quality and material integrity are paramount.

This technique is particularly beneficial for materials that require minimal distortion and high structural reliability. By controlling heat input and limiting the groove size, narrow gap TIG welding minimizes residual stresses and preserves the mechanical properties of the base metal. The process produces clean, defect-free welds with superior root fusion, making it suitable for high-specification projects.