COUPLER
WD-70-BD is RDSO Designed High Tensile Coupler, Material requirements for coupler body, knuckle, coupler lock and coupler yoke are as per AAR specifications M-201 and M-205.
Technical Specification - Coupler
| Property | Specification |
|---|---|
| Grade | E |
| Tensile Strength N/m² (Minimum) | 825 |
| Yield Strength N/m² (Minimum) | 690 |
| Elongation on 51mm gauge length (Minimum%) | 14 |
| Reduction in Area % (Minimum) | 30 |
| Hardness (BHN) | 241-311 |
Stringent Quality Control
Besco Limited follows rigorous quality control processes at every stage of manufacturing, ensuring each wagon meets Indian Railways standards and delivers consistent performance across tough operating conditions.
Advanced Material Selection
Wagons are built using high-grade corrosion-resistant steels and certified structural materials, enhancing durability, load-bearing capacity, and resistance to wear in extreme environments.
Precision Engineering & Welding
Utilizing precision CNC machining and robotic welding, Besco guarantees dimensional accuracy, structural integrity, and superior weld finish for enhanced wagon reliability and longevity.
Comprehensive Testing & Certification
Each wagon undergoes thorough mechanical testing, ultrasonic flaw detection, and load simulation trials, followed by certification from authorized railway inspection agencies to ensure unmatched safety and quality.