304 Stainless Steel Square Duct

Product Description

The 304 stainless steel square duct is engineered for high-performance ventilation systems requiring corrosion resistance and durability. With smooth inner surfaces and precision fabrication, it ensures efficient airflow, low noise, and long service life. Suitable for kitchen exhaust, industrial ventilation, and environmental air treatment systems.

Materials & Specifications

• Type: Rectangular Air Duct / Ventilation Duct System
• Flange Types: TDF (Common Plate Flange) Angle Iron Flange
• Customization: Yes (OEM / ODM Supported)
• Standard Material: 304 Stainless Steel
• Optional Materials: 201 / 316 Stainless Steel, Galvanized Steel
• Surface Treatment: Anti-corrosion stainless steel finish  Smooth surface, burr-free edges, uniform color
• Thickness Options: 0.5 mm / 0.6 mm / 0.75 mm / 1.0 mm / 1.2 mm / 1.5 mm / 2.0 mm Custom thickness available upon request
• Size Range
  • Rectangular Duct: 100 × 100 mm – 1800 × 1800 mm (Customizable)
  • Round Duct: Diameter 120 mm – 3000 mm (Optional customization)
• Processing Options
  • Material + fabrication supply
  • Processing with supplied materials
  • Custom fabrication based on drawings or samples  
  • Fully mechanical manufacturing with precision welding
• Performance Parameters
  • Compressive Strength: High
  • Bending Strength: ≥ 90
  • Corrosion Resistance: Excellent, suitable for harsh environments
  • Airflow Performance: Low resistance, low noise

Product Advantages

• High-Quality Materials
  • Made from premium stainless steel or galvanized steel
  • Strong corrosion resistance and long service life
• Precision Manufacturing
  • Smooth surface without burrs
  • Clean and uniform cutting edges
  • Excellent sealing with fewer connection points
• Efficient Ventilation
  • Smooth inner and outer walls ensure optimal airflow
  • Prevents accumulation of grease and debris
  • Low airflow resistance and reduced noise
• Flexible Customization
  • Multiple sizes, materials, and flange types available
  • Suitable for diverse HVAC and industrial applications
• Aesthetic Appearance
  • Metallic texture with clean and modern finish
  • Suitable for both industrial and commercial environments

Applications

• Core Applications
  • Kitchen exhaust systems
  • Fire smoke exhaust systems
  • Industrial exhaust and environmental air treatment
• Extended Applications
• • Fresh air supply & ventilation systems
  • Dust removal and air purification systems
  • Factory cooling and ventilation
• Industry Coverage
  • Industrial: Manufacturing, machining, painting & printing, chemical processing, electronics, food production
  • Commercial: Shopping malls, hotels, restaurants, schools
  • Others: Basement ventilation, workshops, industrial dust extraction systems

Important Notes

• This is a custom-made product.
• Need confirm the dimensions, material, operating temperature requirementsairflow and acoustic performance parameters.