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Heat Treated Fishplate
Product overview Heat-treated fishplate (also known as a heat-treated joint bar or rail joint bar) is a type of fishplate that has undergone a specialized heat treatment process to enhance its mechanical properties, such as strength, hardness, and durability. This makes it suitable for demanding...
Features
Product overview
Heat-treated fishplate (also known as a heat-treated joint bar or rail joint bar) is a type of fishplate that has undergone a specialized heat treatment process to enhance its mechanical properties, such as strength, hardness, and durability. This makes it suitable for demanding railway applications, including heavy-haul lines, high-speed tracks, and areas with high traffic density.
Enhanced Properties
High Strength
Can withstand higher loads and stresses compared to non-heat-treated fishplates.
Improved Hardness
Resists wear and deformation caused by repeated train movements.
Better Fatigue Resistance
Reduces the risk of cracking under cyclic loading.
Advantages
Increased Load Capacity
Ideal for heavy-haul and high-speed railways.
Longer Service Life
Reduces the frequency of replacements and maintenance.
Improved Safety
Minimizes the risk of joint failures and derailments.
Better Performance in Harsh Conditions
Suitable for extreme environments, such as high temperatures or corrosive areas.
Comparison with Non-Heat-Treated Fishplates
| Feature | Heat-Treated Fishplate | Non-Heat-Treated Fishplate |
|---|---|---|
| Strength | Higher | Moderate |
| Hardness | Higher | Lower |
| Durability | Longer lifespan | Shorter lifespan |
| Cost | Higher initial cost | Lower initial cost |
| Application | Heavy-haul, high-speed tracks | Light to moderate traffic |
FAQ
Q: Why use heat-treated fishplates?
A: They offer superior strength, durability, and fatigue resistance, making them ideal for demanding railway applications.
Q: Are heat-treated fishplates more expensive?
A: Yes, they have a higher initial cost but often provide long-term savings due to reduced maintenance and replacement needs.
Q: Can heat-treated fishplates be used in all environments?
A: Yes, they are suitable for harsh environments, including high temperatures and corrosive conditions, especially when coated for additional protection.
Q: How do I know if a fishplate is heat-treated?
A: Check the manufacturer's specifications or look for markings indicating heat treatment (e.g., "QT" for quenched and tempered).
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