Gnee (Tianjin) Multinational Trade Co., Ltd.
Gnee (Tianjin) Multinational Trade Co., Ltd.
Add to Cart
Track bolts are an essential component of rail infrastructure, responsible for holding the rails and sleepers together to create a stable and safe track system. These bolts are typically used to fasten rails to the sleepers and keep them in place, providing stability and support for the rail line. Without proper installation and maintenance of track bolts, there can be severe consequences for the safety and efficiency of the railway system.
Types of Track Bolts
Track bolts come in a variety of shapes and sizes, each with its unique set of advantages and disadvantages. Understanding the different types of track bolts and their applications is crucial for selecting the right bolt for the job and ensuring optimal performance and safety in rail construction. The main types are Square-head bolts, Oval-neck track bolt, Button-head track bolts, Countersunk track bolts etc.
Overall, selecting the right type of track bolt is crucial for ensuring optimal performance and safety in rail construction.
Material Selection for Track Bolts
Material selection is a critical factor in the performance and longevity of track bolts in rail construction. The right material can mean the difference between a safe and reliable rail system and costly maintenance or repairs. When selecting a material for track bolts, it is essential to consider factors such as strength, corrosion resistance, and durability.
The most common material used for track bolts is steel, which offers excellent strength and durability. Steel bolts are capable of withstanding heavy loads and high-stress areas, making them a popular choice for rail construction. However, steel is susceptible to corrosion, especially in areas with high moisture or humidity.
Stainless steel is another popular material for track bolts, offering superior corrosion resistance compared to standard steel bolts. Stainless steel bolts are ideal for areas with high moisture or salt exposure, such as coastal regions or near chemical plants.
Aluminum is a lightweight and corrosion-resistant material that is commonly used for light-duty applications or in areas where weight is a concern. Aluminum bolts are less durable than steel or stainless steel and are more prone to deformation, making them a less popular choice for heavy-duty rail construction.
When selecting a material for track bolts, it is crucial to consider the specific conditions and requirements of the rail system. Factors such as environmental conditions, load capacity, and maintenance requirements should all be taken into account to ensure the optimal performance and safety of the rail system.
Specification:
| BAR DIAMETER |
AVERAGE INNER DIAMETER |
MINIMUM NET AREA THROUGH THREADS |
MINIMUM ULTIMATE STRENGTH |
MINIMUM YIELD STRENGTH |
NOMINAL WEIGHT |
PART NUMBER |
|---|---|---|---|---|---|---|
| 32 mm (1-1/4") |
0.787" (20.0 mm) |
0.556 in² (359 mm²) |
58.4 kips (260 kN) |
47.2 kips (210 kN) |
2.1 lbs/ft (3.1 kg/m) |
B7X1-032N |
| 32S mm (1-1/4") |
0.626" (15.9 mm) |
0.776 in² (501 mm²) |
81.5 kips (363 kN) |
66.0 kips (294 kN) |
2.7 lbs/ft (4.0 kg/m) |
B7X1-032S |
| 38 mm (1-1/2") |
0.830" (21.1 mm) |
1.067 in² (688 mm²) |
112 kips (498 kN) |
90.7 kips (404 kN) |
3.76 lbs/ft (5.6 kg/m) |
B7X1-038N |
| 51 mm (2") |
1.187" (30.1 mm) |
1.795 in² (1158 mm²) |
188 kips (837 kN) |
152 kips (677 kN) |
6.26 lbs/ft (9.3 kg/m) |
B7X1-051N |
| 76 mm (3") |
1.890" (48.0 mm) |
3.880 in² (2503 mm²) |
407 kips (1811 kN) |
329 kips (1466 kN) |
13.79 lbs/ft (20.5 kg/m) |
B7X1-076N |