| Parameter | Specification / Typical Value |
| Component Types | Hollow Elevator Guide Rail (TK3 / TK5 / TK3A / TK5A), Door Guide Channel (C/U-section), Rail Bracket / Fishplate Stiffener, Car Frame Reinforcement Strip |
| Manufacturing Process | Continuous Cold Roll Forming + In-line Piercing + Laser/Hydraulic Cut-to-length; Hollow rails seam-welded (optional) |
| Material Grade | Q235B / Q345B (ASTM A36 / S355JR), SUS304 Stainless (optional for decorative/marine elevators) |
| Yield Strength | ≥235 MPa (Q235); ≥345 MPa (Q345) |
| Material Thickness | 1.2 – 3.0 mm (hollow rail); 1.0 – 2.0 mm (door channel); 2.0 – 4.0 mm (bracket) |
| Typical Rail Dimensions (Hollow T) | TK3: 70×55×10×1.8mm; TK5: 87×60×16×1.8mm; TK3A/TK5A per JG/T spec |
| Door Guide Channel Size | 16×16mm / 20×20mm / 25×25mm C-channel or U-channel, with pre-drilled M6/M8 holes |
| Rail Bracket Size | L-shaped / Z-shaped stiffeners, 30–80mm leg, thickness 2.5–4.0mm, punched for M12/M16 anchor |
| Length (Cut-to-length) | 1,000 – 6,000 mm (standard 5m), tolerance ±1.0 mm |
| Straightness (Rail) | ≤0.5 mm/m, ≤2.5 mm/5m (per JG/T 5072.3 Class A) |
| Twist (Rail) | ≤1.0 mm over full length |
| Surface Treatment | Hot-Dip Galvanized (HDG ≥65μm), Electro-Galvanized (Zn 8–12μm), Black Oil Coating, or Pickled & Oiled (for further painting) |
| Punching / Holes | Fishplate bolt holes (M10/M12), bracket mounting holes per T-rail standard pitch (200/400mm options) |
| Applicable Standards | EN 81-20/50, ISO 7465, JG/T 5072.3-1996, GB/T 10060, ASME A17.1 (on request) |
| Packaging | Bundled with steel strap + VCI paper + Plywood crate for export |
High straightness and uniform profile geometry
Inline precision hole punching for easy assembly
Corrosion-resistant surface (galvanized / pre-painted / powder coated)
Customizable cross-section as per customer drawing or samples
We are looking forward to working with you. Please feel free to contact us if you have any inquiry.