Description
Technical Parameters
Railway Fish Plate Specifications by International Standards
| Standard | Model/Size | Compatible Rail (kg/m) | Key Dimensions (mm) | Hole Configuration | Material | Theoretical Weight (kg/pc) | Compliance Certification |
|---|---|---|---|---|---|---|---|
| GB/TB (China) | 43kg | 43 | Length: 790; Height: 94.03; Thickness: 40 | 6 holes, φ22 | 55# Steel | 15.57 | ISO 9001, TB/T 2345-2008 |
| GB/TB (China) | 60kg | 60 | Length: 820; Height: 123.8; Thickness: 45 | 6 holes, φ24 | 55# Steel | 23.32 | ISO 9001, TB/T 2345-2008 |
| UIC (Int'l) | UIC 60 | 60 (UIC 60 rail) | Length: 820; Height: 123.8; Thickness: 45 | 6 holes, φ24 | 40# Steel | 22.80 | UIC 864-4, ISO 9001 |
| AREMA (USA) | 132 RE | 60 (132 RE rail) | Length: 914.4; Height: 127; Thickness: 46 | 6 holes, φ25 | 55# Steel | 28.50 | AREMA 2007, ISO 9001 |
| BS (UK) | BS 80A | 43 (BS 80A rail) | Length: 762; Height: 95; Thickness: 42 | 4 holes, φ22 | 40# Steel | 14.20 | BS 47-1, ISO 9001 |
| JIS (Japan) | JIS 50N | 50 (JIS 50N rail) | Length: 820; Height: 104.22; Thickness: 46 | 6 holes, φ23 | Q235B | 18.72 | JIS E 1102-2001 |
| Emergency Type | T-UIC 60 | 60 (UIC 60 rail) | Length: 820; Height: 123.8; Thickness: 45 | Unpunched (welded) | 55# Steel | 21.90 | ISO 9001 |
Material Properties & Application Adaptability of Railway Fish Plates
| Material Grade | Chemical Composition (Typical) | Mechanical Properties | Surface Treatment | Optimal Application Scenario | Service Life (Years) |
|---|---|---|---|---|---|
| 55# Carbon Steel | C: 0.52-0.60; Mn: 0.50-0.80; Si: 0.17-0.37 | Tensile Strength: ≥785 MPa; Yield Strength: ≥520 MPa; Elongation: ≥9% | Hot-dip galvanizing (80μm) | Heavy-haul freight railways, 60kg/m+ heavy rails | 15-20 |
| 40# Carbon Steel | C: 0.37-0.44; Mn: 0.50-0.80; Si: 0.17-0.37 | Tensile Strength: 550-650 MPa; Elongation: ≥18% | Dacromet coating (12μm) | International standard passenger railways (UIC/BS rails) | 12-18 |
| Q235B Low-Carbon Steel | C: 0.14-0.22; Mn: 0.30-0.65; Si: ≤0.30 | Tensile Strength: 375-510 MPa; Yield Strength: ≥235 MPa | Black oxide + oiling | Light rail (12-30kg/m) & urban trams | 8-12 |
| Insulated Composite | 55# Steel + PA66 insulation layer | Tensile Strength: ≥785 MPa (steel core); Insulation Resistance: ≥10⁸Ω | Epoxy insulation coating | Electrified railways, signal section isolation | 10-15 |
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