1.4460 X3CrNiMoN27-5-2 Austenitic-Ferritic Stainless Steel
Review
Description
1.4460 Austenitic-Ferritic Stainless Steel
Premium Duplex Stainless Steel from FUSHUN METAL
Steel Grade Introduction and Applications
1.4460 (also known as X3CrNiMoN27-5-2, AISI 329, SS 2324, PRODEC®) is a premium austenitic-ferritic stainless steel supplied by FUSHUN METAL. This high-performance duplex stainless steel is characterized by excellent resistance to pitting corrosion, crevice corrosion, stress corrosion, and corrosion fatigue. The steel combines high strength with excellent machinability and superior toughness properties.
FUSHUN METAL ensures consistent quality and reliable supply of this specialized stainless steel grade, meeting stringent requirements for marine applications, chemical processing, and high-performance engineering components. The two-phase microstructure and low carbon content provide superior resistance to intergranular corrosion after sensitization.
Key Characteristics:
Superior to T316 type in chloride environments
Enhanced mechanical properties
Easy machining characteristics
Superior impact resistance
Primary Applications:
Propeller shafts and marine hardware
Pump shafts, impellers, and parts
Valve components and trim parts
Spindles, stirrers, and pistons
Bolts, nuts, and fastening systems
Equipment in corrosive environments
Chemical Composition, Mechanical Properties & Heat Treatment
Chemical Composition (Typical Analysis)
| Element | C | Cr | Ni | Mo |
|---|---|---|---|---|
| Content (%) | 0.025 | 25.4 | 5.75 | 1.5 |
Mechanical Properties (Solution Annealed Condition)
| Property | Value | Unit |
|---|---|---|
| Tensile Strength (Rm) | 620-880 | N/mm² |
| Proof Strength (Rp0.2) | Min. 460 | N/mm² |
| Elongation (A5) | Min. 20 | % |
| Impact Energy (KV-RT) | Min. 85 | J/cm² |
| Hardness (HB) | Max. 260 | HB |
Physical Properties
| Property | 20°C | 200°C | 300°C |
|---|---|---|---|
| Density | 7.8 kg/dm³ | ||
| Modulus of Elasticity | 200 | 194 | 186 |
| Thermal Expansion (10⁻⁶ K⁻¹) | - | 13.0 | 13.5 |
| Thermal Conductivity | 15 W/m°C | ||
| Electrical Resistivity | 0.8 Ωmm²/m | ||
| Specific Heat | 500 J/kg°C | ||
Heat Treatment
| Treatment | Temperature | Holding Time | Cooling |
|---|---|---|---|
| Solution Annealing | 950-1000°C | Approx. 30 min | Water quenching |
Delivery Condition: 1.4460 is supplied by FUSHUN METAL in solution annealed condition for optimal corrosion resistance and mechanical properties.
Important Note: The steel is susceptible to embrittlement when applied in the temperature range of 300-900°C.
Service Temperature: Scaling temperature in air is approximately 1070°C.
Available Sizes from FUSHUN METAL
FUSHUN METAL maintains comprehensive inventory of 1.4460 austenitic-ferritic stainless steel in various sizes to meet diverse industrial requirements. Our standard sizes are readily available from stock for immediate delivery.
Standard Stock Sizes Available:
Round Bars: Diameter 10mm to 300mm, Length up to 6000mm
Flat Bars: Thickness 5mm to 150mm, Width up to 500mm
Square Bars: 10mm × 10mm to 200mm × 200mm
Plates: Thickness 6mm to 100mm, Custom dimensions available
Shafts: Precision ground shafts for marine and pump applications
Bar Finish: Machined or ground surface finish available
Stock Advantage: Standard sizes are maintained in inventory for fast delivery and competitive pricing, ensuring minimal lead times for marine and chemical processing projects.
Custom Manufacturing: We accept custom orders for non-standard dimensions and special requirements. Please contact us to discuss your specific size requirements and production capabilities.
Quote Request: Contact FUSHUN METAL today for competitive pricing on standard sizes or custom manufacturing solutions for your 1.4460 applications.
FUSHUN METAL Advantages
Fast Stock Delivery
Extensive inventory of 1.4460 ensures rapid delivery of standard sizes, minimizing your project downtime and maintaining production schedules for marine applications, pump manufacturing, and valve production.
Integrated Manufacturing Network
Strategic partnerships with leading Chinese specialty stainless steel producers ensure consistent quality, competitive pricing, and reliable supply chain management for premium duplex stainless steels like 1.4460.
Precision Machining Services
Complete machining capabilities including turning, grinding, and precision finishing services to deliver ready-to-use components for marine, pump, and valve applications, saving time and costs for downstream customers.
Technical Expertise
Professional technical support and consultation services to help customers optimize material selection, heat treatment, welding procedures, and application-specific solutions for 1.4460 in corrosive environments and demanding marine applications.
Contact FUSHUN METAL Today
Experience the FUSHUN METAL advantage in premium stainless steel supply. Contact us for competitive quotes, technical consultation, and reliable delivery solutions for your 1.4460 requirements in marine, pump, valve, and chemical processing applications.
