Stainless Steel Fire Doors: Technical Specifications and Applications
Our stainless steel fire doors are designed and manufactured according to GB12955-2008, “General Technical Conditions for Steel Fire Doors,” and have been tested by the National Fixed Fire-Fighting System and Fire-Resistant Components Quality Supervision and Inspection Center.
Fire Resistance Ratings
Grade Fire Resistance Time Door Leaf Thickness Recommended Use
A 90 minutes 55 mm For rooms with special fire protection requirements
B 60 minutes 50 mm Suitable for fire escape routes
C 30 minutes 45 mm Ideal for maintenance rooms, such as those housing piping systems

Structural Features
Door Frame: Made from high-quality 1.2 mm thick 202/304 stainless steel, the door frame is formed through a single rolling process. Custom cross-sections can be tailored to user specifications.

Door Leaf: The exterior panel of the door leaf is constructed from 0.8 mm thick 202/304 stainless steel. The interior features a groove-type skeleton filled with perlite board, securely bonded with fire-resistant adhesive. This design ensures strength without compromising fire resistance.

Hinges: The door leaf is attached to the frame using easily removable flag hinges, making installation straightforward and enhancing resistance to vandalism.

Lock and Closer: Users can select high-quality locks and door closers according to their preferences.

Applications
These stainless steel fire doors are suitable for a variety of environments, including:

Industrial Buildings: Ideal for factories and manufacturing facilities requiring compliance with fire safety regulations.

Residential Buildings: Designed for apartments and other residential complexes that need reliable fire protection.

Fire resistance steel door

Stainless steel door


Our stainless steel fire doors not only meet rigorous safety standards but also provide a robust solution for fire protection in various building types. As a reputable fire door manufacturer, we are dedicated to delivering high-quality fire doors that ensure safety and compliance in your facilities.