⚙️ Core Specifications Table
| Parameter | Specification | AREMA Minimum |
|---|---|---|
| Standard | AREMA Ch.3 Sec 2.8 / ASTM A183 Type B | ASTM A183 Type A |
| Material | 65Mn Manganese Steel (Hot Forged) | A36 Carbon Steel |
| Rail Compatibility | 115RE, 132RE, 136RE, 141RE, 176RE | Customizable |
| Hole Configuration | 4-Hole (Up to 136RE) / 6-Hole (141RE+) | — |
| Tensile Strength | 1100 MPa (160,000 PSI) | 690 MPa (100,000 PSI) |
| Surface Treatment | Shot Blasting + 85μm HDG (550g/m²) | 250g/m² Zinc |
| Fatigue Life | >1.5 Million Cycles (UIC 510-3 Test) | 500k Cycles |
| Bolt Hole Tolerance | ±0.15mm Laser-Bored | ±0.5mm Drilled |
🚂 Compatibility Matrix
| Rail Section | Bar Length | Hole Pattern | Bolt Size |
|---|---|---|---|
| 115RE | 60" | 4-Hole | 7/8" Grade B |
| 136RE | 72" | 4-Hole | 1" Grade B |
| 141RE | 84" | 6-Hole | 1-1/8" Grade B |
| 176RE | 96" | 6-Hole | 1-1/4" Grade B |
Pro Tip: Use insulated joint kits (PN: IJK-141RE) for electrified tracks
⚠️ Installation Protocol
Surface Prep - Grind rail ends to 1:3 bevel (AREMA Fig 2.8.2)
Torque Sequence - 30% → 60% → 100% in crisscross pattern
Final Torque - 450 ft-lbs for 7/8" bolts (Use calibrated torque wrench)
Gap Control - Maintain 6±1mm joint gap at 20°C (68°F)
📜 Certifications & Testing
| Test | Standard | Our Results |
|---|---|---|
| Charpy V-Notch | ASTM E23 | 45J @ -40°C (-40°F) |
| Salt Spray | ASTM B117 | 3,000hrs (Red rust) |
| Bolt Hole Shear | AREMA Ch.30 | 210 kN @ 6° Deflection |
| Residual Stress | EN 15305 XRD | <15% Yield Strength |
❓ Rail Maintenance FAQs
Q1: Compatible with wood/concrete ties?
A: Universal design - add insulated shoulder pads for concrete ties (Prevents electrolysis)
Q2: Maximum axle load for 136RE bars?
A: Certified for 39-ton axles (FRA Class 9) - 25% safety margin
Q3: Difference between compromise and standard joints?
A: We supply both:
Standard: Same section rails
Compromise: 115RE-to-136RE transition kits
If you have any needs, please feel free to consult us!
Tag:
AREMA 115RE-176RE Rail Joint Bars - Hot Forged Manganese Steel Angle Bars - 4-Hole & 6-Hole (HDG Coated)
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