X3CrNiMoN27-5-2 1.4460 Acero Inoxidable Duplex Super

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X3CrNiMoN27-5-2 (1.4460) – Acero Inoxidable Dúplex Super

SHUNFU METAL – Especialistas en Aceros Dúplex de Ultra Alta Resistencia

Introducción del Acero X3CrNiMoN27-5-2 y Aplicaciones Críticas

El acero inoxidable dúplex super X3CrNiMoN27-5-2 (designación europea 1.4460, equivalente AISI 329, SS 2324) representa la vanguardia tecnológica en aceros inoxidables que SHUNFU METAL fabrica con tecnología avanzada. Este acero austenítico-ferrítico combina la alta resistencia mecánica de la fase ferrítica con la excelente resistencia a la corrosión de la fase austenítica.

Como fabricantes especializados, SHUNFU METAL garantiza que nuestro X3CrNiMoN27-5-2 ofrece resistencia excepcional a la corrosión por picadura, corrosión en grietas, corrosión bajo tensión y fatiga por corrosión, superando significativamente a los aceros austeníticos tipo 316 en ambientes clorurados agresivos.

Aplicaciones Críticas de Alto Rendimiento:

Ejes de hélices marinas, ejes de bombas industriales, husillos de precisión, agitadores químicos, componentes de válvulas de alta presión, pistones hidráulicos, piezas de bombas para ambientes corrosivos, pernería de alta resistencia, tuercas especiales, componentes offshore, equipos de desalinización, y aplicaciones donde se requiere máxima resistencia a ambientes clorurados con alta resistencia mecánica.

Composición Química Optimizada del X3CrNiMoN27-5-2

SHUNFU METAL controla precisamente la composición química de nuestro acero X3CrNiMoN27-5-2, cumpliendo estrictamente con las especificaciones EN 10088-3:

Elemento C % Cr % Ni % Mo % N %
Análisis Típico 0.025 25.4 5.75 1.5 N (contenido controlado)

Ventaja SHUNFU METAL: Alto contenido de cromo (25.4%) y molibdeno (1.5%) con adición controlada de nitrógeno para máxima resistencia a corrosión por picadura y grieta en ambientes clorurados.

Propiedades Mecánicas Excepcionales

Condición Solubilizada según EN 10088-3

Propiedad Valor Unidad Ventaja
Resistencia a la Tracción (Rm) 620-880 N/mm² Superior a austeníticos
Límite Elástico (Rp0.2) mín 460 N/mm² Doble que 316
Alargamiento (A5) mín 20 % Excelente ductilidad
Energía de Impacto (KV-RT) mín 85 J/cm² Alta tenacidad
Dureza (HB) máx 260 HB Maquinabilidad excelente

Resistencia Dependiente de la Temperatura

El límite elástico se mantiene alto hasta temperaturas elevadas: 200°C, 300°C y 400°C, proporcionando rendimiento superior en aplicaciones de alta temperatura comparado con aceros austeníticos convencionales.

Tratamiento Térmico Especializado

SHUNFU METAL aplica tratamientos térmicos precisos para optimizar la microestructura dúplex del acero X3CrNiMoN27-5-2:

Solubilización (Condición de Entrega)

Temperatura: 950-1000°C

Tiempo de mantenimiento: Aproximadamente 30 minutos a temperatura de solubilización

Enfriamiento: Enfriamiento rápido en agua

Resultado: Microestructura dúplex equilibrada (50% austenita + 50% ferrita) para máximas propiedades

Advertencia Importante – Fragilización

El acero es susceptible a fragilización cuando se aplica en el rango de temperatura de 300-900°C. Evitar exposición prolongada en este rango para mantener las propiedades óptimas.

Propiedades Físicas y Térmicas Avanzadas

Propiedades Básicas

Densidad: 7.8 kg/dm³

Resistividad eléctrica: 0.8 Ω·mm²/m

Calor específico: 500 J/(kg·°C)

Capacidad térmica específica: 15 W/(m·°C)

Módulo de Elasticidad

20°C: 200 kN/mm²

100°C: 194 kN/mm²

200°C: 186 kN/mm²

300°C: 180 kN/mm²

Expansión Térmica

20-200°C: 13.0 × 10⁻⁶ K⁻¹

20-300°C: 13.5 × 10⁻⁶ K⁻¹

20-400°C: 14.0 × 10⁻⁶ K⁻¹

Temp. de escamación: ~1070°C

Resistencia a la Corrosión Excepcional

El X3CrNiMoN27-5-2 de SHUNFU METAL muestra resistencia a la corrosión muy superior, especialmente en ambientes que contienen cloruros:

Resistencia Superior a Tipo 316

✓ Corrosión por picadura

✓ Corrosión en grietas

✓ Corrosión bajo tensión

✓ Fatiga por corrosión

✓ Corrosión general en ácidos

Resistencia Especial

✓ Ambientes clorurados agresivos

✓ Ácidos reductores y oxidantes

✓ Corrosión intercristalina (post sensibilización)

✓ Agua de mar y salmueras

✓ Aplicaciones offshore

Recomendación SHUNFU METAL

Para demandas extremadamente altas de resistencia a corrosión por picadura y grieta, se recomienda seguir el mecanizado con decapado o pasivación de la superficie.

Maquinabilidad Excelente – Parámetros Optimizados

Aunque el X3CrNiMoN27-5-2 no es un “acero inoxidable de corte libre”, es considerado un “acero fácil de mecanizar”, especialmente diseñado para piezas que requieren mecanizado extensivo.

Parámetros de Torneado con Herramientas de Carburo

Tipo de Operación Grupo ISO Profundidad (mm) Avance (mm/rev) Velocidad (m/min)
Desbaste P15-P25 2-5 0.3-0.6 150-180
Acabado P10-P15 0.5-2 0.05-0.3 180-280

Parámetros de Taladrado

Diámetro Broca (mm) HSS Velocidad (m/min) HSS Avance (mm/rev)
5-10 13-18 0.2-0.3
20-30 13-18 0.4-0.5

Soldabilidad Excelente

Características de Soldadura

El X3CrNiMoN27-5-2 posee excelente soldabilidad y puede soldarse de la misma manera que los materiales austeníticos:

✓ Sin precalentamiento necesario

✓ Cordones de soldadura pequeños (mínimo aporte térmico)

✓ Compatible con consumibles austeníticos

✓ No requiere consumibles del mismo grado

Restauración de Propiedades Post-Soldadura

Para aplicaciones en ambientes altamente corrosivos, después de soldar se recomienda recocido a 980°C seguido de enfriamiento en agua para restaurar completamente la resistencia a la corrosión.

Disponibilidad de Productos – SHUNFU METAL

Como fabricante especializado en aceros dúplex super, SHUNFU METAL mantiene inventario estratégico de X3CrNiMoN27-5-2 y ofrece servicios de fabricación personalizada:

Formas y Acabados Disponibles

Barras redondas: Con superficie mecanizada o rectificada según EN 10088-3

Condición de entrega: Solubilizado (listo para uso directo)

Acabados especiales: Mecanizado de precisión y rectificado fino disponibles

Tratamientos adicionales: Pasivación y decapado para máxima resistencia a la corrosión

¡Material dúplex super X3CrNiMoN27-5-2 disponible en stock!

Solicite cotización inmediata. Fabricamos según especificaciones para aplicaciones críticas offshore y marinas.

Equivalencias Internacionales del X3CrNiMoN27-5-2

SHUNFU METAL produce el acero X3CrNiMoN27-5-2 cumpliendo con múltiples estándares internacionales:

Estándar Designación País/Región Aplicación Principal
EN 1.4460 / X3CrNiMoN27-5-2 Europa Aplicaciones marinas
AISI 329 Estados Unidos Industria química
SS 2324 (reemplaza SS 2324-02) Suecia Offshore

SHUNFU METAL – Especialistas en Aceros Dúplex Super

🏭 Tecnología Dúplex Avanzada

Especialistas en fabricación de aceros dúplex con control de microestructura austenítica-ferrítica para máximas propiedades.

🌊 Aplicaciones Marinas

Líderes en suministro para industria marina, offshore y aplicaciones en ambientes clorurados extremos.

⚙️ Maquinabilidad Superior

Material optimizado para mecanizado extensivo con parámetros probados para máxima productividad.

📦 Inventario Estratégico

Stock permanente para entrega inmediata de proyectos críticos con plazos ajustados en industrias exigentes.

Solicite Acero Dúplex Super X3CrNiMoN27-5-2 – SHUNFU METAL

SHUNFU METAL está preparado para satisfacer sus necesidades más exigentes de acero inoxidable dúplex super. Como fabricantes especializados en aplicaciones críticas, garantizamos:

✅ Resistencia superior a corrosión por picadura y grieta vs. 316

✅ Alta resistencia mecánica (Rp0.2 ≥ 460 N/mm²)

✅ Excelente maquinabilidad con parámetros optimizados

✅ Soldabilidad excelente sin precalentamiento

✅ Ideal para aplicaciones marinas y offshore

✅ Precios de fabricante directo para pedidos al por mayor

¡Contáctenos hoy para discutir sus requerimientos de acero dúplex super de máxima calidad!

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