Alloy 601 (Inconel 601)
UNS N06601
Resumen
Nickel-chromium-iron alloy with aluminum addition for exceptional oxidation resistance up to 1260°C. The aluminum forms a tightly adherent oxide layer that provides outstanding resistance to carburization, sulfidation, and metal dusting — critical performance advantages in petrochemical furnace and reformer applications. Superior to Alloy 600 in high-temperature corrosion resistance.
Composición Química (% en peso)
| Elemento | Mín | Máx |
|---|---|---|
| Ni (Níquel) | 58 | 63 |
| Cr (Cromo) | 21 | 25 |
| Fe (Hierro) | 13 | 18 |
| Al (Aluminio) | 1 | 1.7 |
| C (Carbono) | — | 0.1 |
| Mn (Manganeso) | — | 1 |
| Si (Silicio) | — | 0.5 |
Propiedades Mecánicas
| Propiedad | Valor | Condición |
|---|---|---|
| Resistencia a la Tracción | ≥ 550 MPa (80 ksi) | — |
| Límite Elástico (0.2%) | ≥ 240 MPa (35 ksi) | — |
| Elongación | ≥ 30% | — |
| Dureza | ≤ 25 HRC | recocido |
| Densidad | 8.11 g/cm³ | — |
Propiedades Físicas
| Propiedad | Valor |
|---|---|
| Rango de Fusión | 1300 – 1370 °C |
| Conductividad Térmica | 11.2 W/m·K (at 23°C) |
| Temp. Máx. de Servicio | 1260°C |
Resistencia a la Corrosión
Outstanding oxidation resistance up to 1260°C — aluminum oxide layer provides protection far beyond standard stainless steels. Excellent resistance to carburization, carbonitriding, and metal dusting in petrochemical environments. Good resistance to sulfidation and molten salts. Not designed for aqueous corrosion — strength is high-temperature gaseous environments.
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