| Still deciding? Get samples of $ ! US$ 1/Piece Request Sample |
| Property | QT500-7 | QT450-10 | QT400-15 |
|---|---|---|---|
| Application | UIC54 | UIC60 | 115RE, 50kg, 60kg, BS80lbs |
| Standard | GB 1348-88 | GB 1348-88 | GB 1348-89 |
| Tensile Strength | ≥500 Mpa | ≥450 Mpa | ≥400 Mpa |
| Yield Strength | ≥320 Mpa | ≥310 Mpa | ≥250 Mpa |
| Hardness | 170~230HB | 160~210HB | 130~180HB |










A: The two main types are cast-in shoulders, which are embedded in concrete sleepers, and weld-on shoulders. Both are used to fix elastic rail clips.
A: They are typically made from cast iron, adhering to various international standards like GB/T 1348, NF EN 1563, ISO1038, and DIN 1693.
A: Our shoulders support a wide range of standards including UIC54, UIC60, 115RE, 50kg rail, 60kg rail, and BS80lbs among others.
A: We use fully automatic digital control machinery for sawing and cutting, supplemented by online ultrasonic inspection and independent audits by Lloyd's Register of Quality Assurance.
A: Our facility has a production capacity of approximately 20,000 pieces per day.
A: Yes, free samples with brand tags can be provided upon request for quality verification.
Nipa Orthopedic Implants