Used Rails R50 - R65: High-Carbon Scrap for Re-Rolling & Melting
Industrial used rails represent the highest tier of ferrous scrap. Due to their rigorous manufacturing standards (GOST/ASTM), they offer a unique chemical profile—high carbon and low phosphorus—making them the ideal feedstock for Re-Rolling Mills and Electric Arc Furnaces (EAF).
Table of Contents
- Classification: R50 vs. R65 (GOST Standards)
- Feedstock Value: Re-Rolling vs. Melting
- Logistical Constraints: Cut Rails (1.2m)
- Technical Specifications Table
1. R50 vs. R65 GOST Classification
The grade designations refer to the linear mass of the rail, indicating its density and cross-sectional area.
- R50 (51.67 kg/m): Typically sourced from standard transport lines. Preferred for re-rolling into angles, flats, and smaller construction bars.
- R65 (64.72 kg/m): Heavy-duty rail used for high-capacity freight lines. Prized for melting due to its superior mass-to-surface ratio, minimizing oxidation losses.
2. Why Rails? The "Clean" Scrap Advantage
Unlike HMS, railway scrap is structurally uniform and chemically predictable.
- Re-Rolling Advantage: Many mills "re-roll" used rails directly into secondary construction profiles without re-melting, offering massive energy savings.
- Chemical Purity: Rails are free from "hidden" contaminants like plastics, copper windings, or rubber found in machine scrap.
3. Logistics: Cut Rails and ISRI Compliance
Handling heavy steel requires specialized equipment.
- Cut Specifications: Standard industry demand is for 1.2m or 1.5m cut rails to facilitate charging into furnaces.
- ISRI Standards: We guarantee compliance with ISRI 27 - 29 specifications for all bulk shipments.
4. Technical Specifications: Steel Hub
| Element | R50 Grade (Typical) | R65 Grade (Typical) |
|---|---|---|
| Carbon (C) | 0.54 - 0.82 % | 0.60 - 0.82 % |
| Manganese | 0.60 - 1.05 % | 0.65 - 1.10 % |
| Silicon (Si) | 0.18 - 0.40 % | 0.20 - 0.45 % |
| Phosphorus | 0.035 % Max | 0.035 % Max |
| Yield | ~97% (Re-roll) | ~98% (Melt) |
Metals Knowledge Hub
- Scrap Metal: HMS 1/2 (80:20) ISRI Codes
- Copper Cathodes: LME Registered Grade A
- Aluminum Ingots: A7/A8 Physical Premiums