⚙️ Dual-Standard Specifications
| Parameter | AS 1085.1 Grade | AREMA Equivalent | EN 13674-4 |
|---|---|---|---|
| Tensile Strength | 900 MPa (130,500 PSI) | Exceeds Grade B | Class 80A |
| Material | AS 3678 Grade 900 | ASTM A183 Type C | R350HT |
| Rail Compatibility | 50kg, 53kg, 60kg | 115RE, 132RE, 136RE | 54E1, 60E1 |
| Hole Config | 6-Hole (Standard) | 6-Hole | 6-Hole |
| Coating | 100μm HDG (600g/m²) | 85μm HDG | 80μm HDG |
| Fatigue Life | >6M cycles @ 35t axle | >5M cycles | >5M cycles |
| Impact Toughness | 50J @ -20°C | 40J @ -40°F | 45J @ -30°C |
✅ Performance Advantages
① Anti-Battering Design
Triple-radius head contour matches AS/NZS 1085.1 rail profile
Forged shoulder lips reduce rail end deformation by 62%
② Corrosion Defense System
Zinc-iron diffusion layer (ISO 1461 Class D)
Sealed bolt holes prevent moisture ingress
Salt Spray Performance: 4,000hrs ASTM B117
🚂 Rail Matching Matrix
| Rail Section | Bar Length | Thickness | Bolt Size |
|---|---|---|---|
| 50kg AS | 820mm | 28mm | M24 8.8 |
| 60kg AS | 980mm | 32mm | M27 10.9 |
| 115RE AREMA | 720mm | 26mm | 1" UNC Grade B |
| 54E1 EN | 800mm | 27mm | M24 10.9 |
⚠️ Critical Installation Protocol
Rail End Prep - Grind to 1:3.5 bevel per AS 7502
Bolt Sequence - 30% → 70% → 100% in star pattern
Final Torque - 810 Nm for M27 bolts (AS 1085.1)
Gap Control - 6±0.3mm at 20°C
📜 Global Certifications
Australia: AS/NZS 1085.1:2017
North America: AREMA Ch.3 (With adapter)
Europe: EN 13674-4:2019
Testing: UIC 510-3 Fatigue, ISO 6892 Tensile
Coating: AS/NZS 4680, ISO 1461
❓ International Engineers' FAQs
Q1: Compatibility with Indian BHPN rails?
A: Yes - use universal hole inserts (PN: UHI-AS)
Q2: Torque difference for tropical vs desert climates?
A: ±15% adjustment required
Q3: AS vs AREMA hole spacing?
A: AS: 140mm pitch vs AREMA: 5.5" (139.7mm) - compatible within 0.3mm tolerance
If you have any needs, please feel free to consult us!
Tag:
AS 1085.1 Certified Fishplates - Heavy Duty Rail Joint Bars - Grade 900 MPa (50kg-60kg Rails HDG Coated)
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