Thick Steel Welding Duct
Category: Air Duct
Overview
Thick steel welding duct is fabricated by full-penetration weld seam on heavy-gauge carbon or galvanized steel plate. The welded construction eliminates seam leakage, making it the preferred choice for high-pressure industrial exhaust systems, chemical plant fume extraction, and high-temperature applications where standard lockseam duct is inadequate.
Technical Specifications
| Base Material | Carbon Steel / Galvanized Steel |
| Thickness | 1.6 – 4.0 mm |
| Size | Ø 200–1,500 mm; custom rectangular |
| Length | 1.5 – 3.0 m per section |
| Seam | Full-penetration weld (AWS D1.1) |
| Max Temperature | 300°C (coated) / 500°C (bare) |
| Static Pressure | 2,500 – 10,000 Pa |
| Standard | SMACNA Industrial / AWS D1.1 |
Applications
- Industrial exhaust & fume extraction
- foundry ventilation
- chemical plant ducting
- power station flue gas
- heavy industrial process ventilation
Key Features
- Zero-leakage welded seams
- withstands extreme static pressure
- available in stainless steel SUS304/316
- custom fabricated
- suitable for abrasive & corrosive environments
For technical inquiries & custom orders: supakorn@stico.co.th | Tel: 02-035-9589
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