
| Category | Item | Specification /Requirement |
| 1. Application | Used to fasten rails to wooden sleepers in railway applications | |
| 2. Technical Requirements | ||
| 2.1 Material | Standard | ASTM A29: 1045 or equivalent GB/T 699: 45# |
| Chemical Composition(%) |
C: 0.42-0.50
Si: 0.17-0.37
Mn: 0.50-0.80
P: ≤ 0.035
S: ≤ 0.035
|
|
| 2.2 Mechanical Properties | TensileStrength | ≥829MPa |
| Yield Strength | ≥635 MPa | |
| Proof Load | ≥587 MPa | |
| 2.3 Marking | Requirement |
Permanent marks on the head must include:
-Manufacturer ID: ZBRF
- Product Marking: Ss5
|
| 2.4 Appearance | 2.4.1 Head-Shaft Connection | No folds or creases allowed. |
| 2.4.2HeatTreatment | No overheating or burning phenomena allowed. | |
| 2.4.3ThreadSurface | Must be smooth, free of cracks, dents, burrs, floating rust,burns, and oxide scales that affect functionality. | |
| 2.5 Surface Treatment | Finish | Plain with oil |
| 2.6 Packing | Inner Packing | 50 lbs keg with handle. |
| Quantity | 35 pcs/keg | |
| Palletizing | 36 kegs/pallet |
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Main Product:
Rail fasteners,
Railway sleepers fixings,
Tension clamp,
Rail clip ,
Screw spike,
Track bolt