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Cast Steel Railroad Tie Plate
Product Overview Cast steel railroad tie plates are high-performance track components designed to withstand extreme loading conditions in heavy-haul and high-speed rail applications. Manufactured through precision casting processes, these plates offer superior strength and durability compared to...
Features
Product Overview
Cast steel railroad tie plates are high-performance track components designed to withstand extreme loading conditions in heavy-haul and high-speed rail applications. Manufactured through precision casting processes, these plates offer superior strength and durability compared to conventional cast iron tie plates.
Standard Dimensions
| Rail Section | Length | Width | Thickness | Weight | Hole Configuration |
|---|---|---|---|---|---|
| 132RE (AREMA) | 9.25" (235mm) | 7.5" (190mm) | 1.25" (32mm) | 28 lb (12.7kg) | 4 spike holes |
| UIC 60E2 | 240mm | 200mm | 34mm | 14.2kg | 6 bolt holes |
| 136RE (Heavy Haul) | 9.5" (241mm) | 8" (203mm) | 1.375" (35mm) | 32 lb (14.5kg) | 6 bolt holes |
| BS-113A | 230mm | 185mm | 30mm | 12.1kg | 4 spike holes |
railroad tie plate Competitive advantage
40% Higher Strength vs standard cast iron plates
01
Impact Resistance - Withstands wheel drop impacts
02
Fatigue Life - 10⁸ load cycles at 35-ton axle loads
03
Wear Resistance - 3× service life of ductile iron
04
Temperature Range - -50°C to +120°C operational
05
Performance Characteristics
| Property | Value |
|---|---|
| Yield Strength | ≥415 MPa |
| Tensile Strength | ≥620 MPa |
| Elongation | ≥18% |
| Impact Energy | ≥27J @ -40°C |
| Hardness | 180-220 HB |
| Corrosion Rate | <0.01mm/year (C4) |
Material & Manufacturing
Material Grade: ASTM A148 Grade 90-60 (Yield: 415 MPa, Tensile: 620 MPa)
Casting Process: No-bake sand casting with controlled cooling
Heat Treatment: Normalized and tempered
Surface Finish: Shot blasted + epoxy coating (150-200μm DFT)
Dimensional Tolerance: ±1.0mm
FAQ
Q: How does a tie plate improve track stability?
A: Distributes rail load over a larger sleeper area
Prevents rail tilting and gauge widening
Reduces wear on wooden sleepers (extends lifespan by 30-50%)
Q: When should tie plates be replaced?
A: Cracks or deformation exceeding 3mm
Corrosion reducing thickness by 25%
Loose spikes/bolts due to worn holes
Improper rail seating (visible gaps)
Q: How are tie plates installed?
A: Clean sleeper surface
Position plate with correct cant (if sloped)
Secure with spikes/screws (torque: 150-200 Nm)
Verify rail alignment (±1mm tolerance)
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