What does UIC stand for in railway?
In railways, UIC stands for the International Union of Railways (French: Union internationale des chemins de fer), a global professional association. Founded in 1922, it promotes international rail transport, sets technical standards, and fosters cooperation for sustainable mobility.
Key Aspects of UIC:
Purpose: Promotes rail transport, sets technical standards, and fosters cooperation.
Membership: Comprises over 200 members across 5 continents, including rail operators, infrastructure managers, and service providers.
Standards: Develops "UIC standards" and codes to ensure technical harmonization and compatibility in railway systems (e.g., signaling, rolling stock).
Classification: It defines the UIC classification of locomotive axle arrangements used globally.
Focus Areas: Safety, sustainability, freight corridors, and passenger transport.
What is UIC Rail ?
UIC rails are available in various profiles like UIC 50, UIC 54, and UIC 60, with the numbers indicating the weight per meter in kilograms. The UIC standard ensures durability, high load capacity, and efficient transportation over long distances.
U.I.C.50 Rail Profile
- Head: 70 mm
- Height: 152 mm
- Bottom width: 125 mm
- Web thickness: 15 mm
U.I.C.54 Rail Profile
- Head width: 70 mm
- Height: 159 mm
- Bottom width: 140 mm
- Web thickness: 16 mm
U.I.C.60 Rail Profile
- Head width: 74.3 mm
- Height: 172 mm
- Bottom width: 150 mm
- Web thickness: 16.5 mm
| Product Name | UIC Standard Steel Rail | ||||||
| UIC Rail Standards | UIC860-0, EN-13674-1 | ||||||
| Size | DIMENSIONS (mm) | Weight | Materials | Length | |||
| Head | Height | Bottom | Web Thickness | (KG/M) | (m) | ||
| U.I.C.50 | 70 | 152 | 125 | 15 | 50.46 | 900A/1100 | 12-25 |
| U.I.C.54 | 70 | 159 | 140 | 16 | 54.43 | 900A/1100 | 12-25 |
| U.I.C.60 | 74.3 | 172 | 150 | 16.5 | 60.21 | 900A/1100 | 12-25 |
What is the difference between UIC Standard and GB Standard?
The primary difference between UIC and GB rail standards lies in their regional focus and technical specifications: UIC (International Union of Railways) (60E1) is a European standard focusing on high-speed stability, while GB (Chinese National Standard) is tailored for China's high-speed and heavy-haul traffic. While both 60kg/m standards are similar, they differ in rail height, steel composition, and heat treatment priorities.
Key Differences Between UIC 60 and GB 60kg/m Rail
- Dimensions: GB 60kg/m rail is 176mm high, while UIC 60 (60E1) rail is 172mm high. The rail head width for GB is 73mm, compared to UIC 60's 74.3mm.
- Material and Strength: UIC standards often prefer medium-carbon steel (e.g., R350HT) focusing on weldability, requiring tensile strength ≥ 880 MPa. GB standards often utilize high-manganese steel (e.g., U71Mn/U75V) with a higher tensile strength of ≥ 980 MPa, tailored for heavy-haul railways.
| Grade | Standard / Region | Typical Composition (wt%) |
| R260 | EN 13674-1 (Europe) | C: 0.67–0.80, Mn: 0.90–1.20, Si: ≤0.50 |
| R350HT | EN 13674-1 (Europe) | C: 0.75–0.85, Mn: 0.80–1.20, Cr: 0.20–0.50 |
| Grade 260 | AREMA (North America) | C: ~0.77, Mn: ~1.0–1.2, Si: ~0.2 |
| Grade 350 | AREMA + Mill Specs (USA/Canada) | C: 0.78–0.83, Mn: 0.90–1.20, Cr: 0.2–0.6, + V/Nb (microalloyed) |
| BH Rail (Bainitic) | JIS E 1101 (Japan), adopted in EU/India | C: 0.65–0.80, Mn: 1.0–1.4, Cr/Mo/Ni (optional, mill-specific) |
| U71Mn | GB/T 2585 (China) | C: 0.65–0.77, Mn: 1.10–1.40, Si: 0.15–0.35 |
| U75V | GB/T 2585 (China) | C: 0.67–0.77, Mn: 0.70–1.00, V: 0.04–0.12 |
- Manufacturing Focus: UIC emphasizes standard international profiles and tolerances, while GB standards (like GB/T 2585) often incorporate additional fatigue and impact tests to handle complex operating conditions.
- Trace Elements: GB 60kg/m often adds Vanadium (V) for increased hardness and wear resistance, while UIC 60 might use Niobium (Nb) for structural refinement.
GNEE RAIL offers a full range of UIC rails, including UIC 54 rail and UIC 60 rail, meeting international standards and designed for heavy-duty railway and industrial applications. These high-quality rails are available at competitive prices with fast delivery. Contact us today for more information and to get a quote tailored to your needs!