Explore how subway station facilities are fabricated from sheet metal for underground transit. Learn about fire safety, material selection, and real-world installations.
Introduction
Subway stations require specialized facilities that withstand underground environmental conditions, high passenger traffic, and stringent fire safety requirements. Metal fabrication provides the durability, fire resistance, and design flexibility needed for underground transit infrastructure. At Fulei Metal, we fabricate subway facility components for transit authorities across Europe and Southeast Asia.
Subway Facility Types
Platform screen doors provide safety barriers between platforms and tracks. Station furniture includes seating, information displays, and waste receptacles. Tunnel ventilation facility housings protect ventilation equipment. Emergency exit facility housings protect emergency stairwell equipment. Station entrance canopies provide weather protection at street level. Signage and wayfinding structures guide passengers through complex stations.
Material Selection
Stainless steel (grade 304 or 316L) is the standard material for subway facilities, providing fire resistance, corrosion resistance, and durability for underground environments. We use 1.5 to 3.0 mm sheet and tube. Fire-rated materials may be required for certain applications per underground transit fire safety standards. Powder coating provides color options for station identity and wayfinding. All materials must meet underground transit fire safety standards including smoke generation and toxicity limits.
Design Considerations
Subway facilities must withstand continuous high passenger traffic and potential vandalism. All materials must meet stringent fire safety standards for underground applications. Facilities must be designed for easy cleaning and maintenance in underground environments. Accessibility must be maintained for wheelchair users and passengers with disabilities. Emergency egress must not be impeded by facility placement. All edges must be smooth for passenger safety. Aesthetic design should create a pleasant underground environment that complements station architecture. Facilities must be designed for efficient installation during limited maintenance windows.
Fabrication Process
Our TRUMPF fiber laser cuts facility components, frame parts, and mounting plates from flat sheet stock. CNC press brake machines form panels, frame profiles, and support brackets. Tube processing equipment cuts and notches frame tubes. Component assembly uses TIG welding for stainless steel, producing smooth, fire-safe structures. Surface treatments include electropolishing, powder coating with fire-rated formulations, and anti-graffiti coatings.
Field Notes: Subway and Underground Station Fittings
Station fittings below ground are specified around a set of conditions that rarely apply together elsewhere: a humid atmosphere that never fully dries, constant use, a cleaning regime that includes aggressive products, and a strict requirement that nothing in the public areas can be climbed on or used as a foothold. For metal parts that means the corrosion environment has to be taken seriously even though the parts are indoors – a galvanized or stainless specification rather than a powder coat over bare steel, because the coating will be damaged during installation and there is no second chance to protect the steel underneath. It also means every fixing is either concealed or made tamper-resistant, every cut end and open tube is closed, and the assembly is checked for stability under a load applied at the edge of a horizontal surface rather than at its centre.
Conclusion
Subway facility fabrication requires fire safety compliance, underground durability, and transit-grade manufacturing. Fulei Metal’s capabilities make us a trusted partner for underground transit infrastructure projects.
If you are sourcing this type of part, our DFM engineering review page covers the tolerances, batch sizes and inspection we work to, and custom sheet metal fabrication shows the wider range we produce in Ningbo, China. For background reading before you request a quote, see Platform Facility Fabrication.