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High Tensile Fish Plate
One-stop Fish Plate Factory in China High tensile fish plates are advanced rail connectors designed for heavy-haul and high-speed applications where standard splice bars are inadequate. These ultra-strong jointing components provide superior load transfer and fatigue resistance under extreme...
Features
One-stop Fish Plate Factory in China
High tensile fish plates are advanced rail connectors designed for heavy-haul and high-speed applications where standard splice bars are inadequate. These ultra-strong jointing components provide superior load transfer and fatigue resistance under extreme operating conditions.
Dimensional Standards
| Rail Section | Length | Thickness | Bolt Holes | Weight |
|---|---|---|---|---|
| 60kg/m | 820mm | 28mm | 6×Ø28mm | 42.8kg |
| UIC 60 | 860mm | 30mm | 6×Ø30mm | 48.6kg |
| AREMA 136RE | 914mm | 32mm | 8×Ø30mm | 68.4kg |
| BS-90A | 800mm | 29mm | 6×Ø28mm | 45.2kg |
Competitive advantage
40% Stronger than standard fish plates
01
Extended Fatigue Life – 3× service duration
02
Impact Resistant – Withstands heavy wheel drops
03
Corrosion Protected – 100μm zinc-nickel coating
04
Precision Fit – CNC-machined rail contours (±0.2mm)
05
Mechanical Properties
| Parameter | Specification |
|---|---|
| Hardness | 280-320 HB |
| Fatigue Limit | 550 MPa @ 10⁷ cycles |
| Shear Strength | 680 MPa |
| Corrosion Rate | <0.01mm/year (C4) |
Material Composition:
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Steel Grade: 42CrMo4
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Heat Treatment: Quenched & tempered
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Tensile Strength: 900-1100 MPa
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Yield Strength: ≥750 MPa
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Elongation: ≥12%
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Impact Toughness: ≥40J at -40°C
Positioning
Match rail profiles precisely
Align with laser guide marks
Bolting
Use 10.9 grade high-tensile bolts
Apply molybdenum disulfide paste
Torque sequence: Center → Ends → Intermediate
Final torque: 450Nm (M27) or 500Nm (M30)
Verification
Ultrasonic contact check
0.05mm feeler gauge test
Dynamic strain gauge measurement
Our Service Processes
Pre-sales Consultancy
1
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Confirmation of order
2
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Production
3
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Multi-Channel Shipping
4
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Confirmation of recei
5
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After-sale Services
6
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