Metro Segment Bolts
Metro segment bolts GNEE railmanufactured have diverse applications, ranging from metro shields and tunnel segment connections to shallow-buried longitudinal segment connections, building segment connections, and metro segment connections. In the realm of metro construction, these bolts play a pivotal role in connecting segments to create a cylindrical pipe. Due to their placement below ground and exposure to a humid environment, metro segment bolts are susceptible to corrosion and rust. Therefore, effective surface treatment is imperative to prolong the service life of both the bolts and pipelines. Inadequate corrosion prevention measures can result in rust and compromise the mechanical properties and tensile strength of the bolts when corrosion spreads internally.
Metro Segment Bolts Features
The subway bolts manufactured by GNEE are constructed from high-quality carbon steel, featuring advanced surface treatment technology. The galvanized layer on these subway bolts boasts a thickness of ≥85-100μm, ensuring rust-proofing for over 50 years and providing robust corrosion resistance for an extended service life. The anti-corrosion treatment of metro nuts and bolts mitigates issues such as over reaming, ensuring a secure and snug fit between the two. The consistent maintenance of the galvanized layer's thickness, coupled with thorough inspections for each metro bolt, guarantees reliable use and instills confidence in their performance.







