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| Feature | QT500-7 (GGG50) | QT450-10 (GGG45) | QT400-15 (GGG40) |
|---|---|---|---|
| Chemical Composition (%) | C:3.60-3.80, Mn:≤0.6, Si:2.50-2.90, P:≤0.08, S:≤0.025 | C:3.40-3.90, Mn:0.2-0.5, Si:2.70-3.00, P:≤0.07, S:≤0.03 | C:3.5-3.60, Mn:≤0.5, Si:3.00-3.20, P:≤0.07, S:≤0.02 |
| Surface Finish | Plain (Oiled) or Black Treatment | ||
| Compatible Rails | UIC54, UIC60, 115RE, 50kg, 60kg, BS80lbs, BS100lbs | ||