Welding is the critical link in structural steel engineering. The integrity of bridges, PEB warehouses, and heavy industrial facilities depends heavily on weld penetration and defect-free joining.
### Essential Welding Methods
1. **Shielded Metal Arc Welding (SMAW)**: Widely used for on-site structural erection and emergency repairs.
2. **Gas Metal Arc Welding (GMAW / MIG)**: Preferred in workshop environments for high-speed, continuous fabrication of PEB components and rafters.
3. **Submerged Arc Welding (SAW)**: The gold standard for heavy built-up girders and bridge trusses, providing deep penetration and high metallurgical purity.
### Quality Control & NDT Testing
At Structro Infra Tech, all welding follows strict WPS (Welding Procedure Specifications) and PQR documentation, backed by Non-Destructive Testing (NDT) including Ultrasonic Testing and Magnetic Particle Inspection.
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