1.4565 Alloy 24 S34565 Super Austenitic Stainless Steel
Professional Manufacturer – FUSHUN SPECIAL STEEL
Steel Grade Introduction and Applications
1.4565 (Alloy 24, S34565) is a super austenitic stainless steel manufactured by FUSHUN SPECIAL STEEL with exceptional corrosion resistance and high strength properties. This premium grade steel contains high levels of chromium, nickel, and molybdenum, making it ideal for the most demanding industrial applications where standard austenitic grades fail to perform.
As a leading manufacturer, FUSHUN SPECIAL STEEL produces 1.4565 using advanced metallurgical processes to ensure superior quality and consistency. This super austenitic grade exhibits outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride environments.
Primary Applications:
Chemical Processing: Heat exchangers, pressure vessels, piping systems in aggressive chemical environments
Marine Industry: Seawater desalination plants, offshore platforms, marine hardware components
Oil & Gas: Downhole equipment, wellhead components, subsea applications
Power Generation: Nuclear reactor components, steam generators, high-temperature applications
Chemical Composition
FUSHUN SPECIAL STEEL manufactures 1.4565 with precisely controlled chemical composition to ensure optimal performance and reliability:
| Element | Content (%) | Element | Content (%) |
|---|---|---|---|
| Carbon (C) | ≤ 0.020 | Chromium (Cr) | 24.0-26.0 |
| Nickel (Ni) | 24.0-26.0 | Molybdenum (Mo) | 6.0-7.0 |
| Nitrogen (N) | 0.20-0.25 | Copper (Cu) | 0.50-1.00 |
| Manganese (Mn) | ≤ 1.00 | Silicon (Si) | ≤ 0.50 |
Mechanical Properties
FUSHUN SPECIAL STEEL ensures consistent mechanical properties through advanced manufacturing processes and quality control:
| Property | Value | Unit |
|---|---|---|
| Tensile Strength (Rm) | 650-850 | MPa |
| Yield Strength (Rp0.2) | ≥ 300 | MPa |
| Elongation (A5) | ≥ 35 | % |
| Hardness (HB) | ≤ 250 | HB |
Heat Treatment
FUSHUN SPECIAL STEEL provides comprehensive heat treatment services for 1.4565 to achieve optimal properties:
Solution Annealing
Temperature: 1100-1150°C
Cooling: Water quenching
Purpose: Dissolve precipitates, restore corrosion resistance
Stabilization
Temperature: 900-950°C
Time: 1-4 hours
Purpose: Improve stress corrosion resistance
Equivalent Grades and International Standards
FUSHUN SPECIAL STEEL manufactures 1.4565 according to various international standards to meet global market requirements:
| Standard | Designation | Country/Region |
|---|---|---|
| EN | 1.4565 | Europe |
| ASTM | S34565, Alloy 24 | USA |
| JIS | SUS890L | Japan |
| DIN | X1CrNiMoCuN25-25-5 | Germany |
| GB | 022Cr25Ni25Mo5N | China |
Production Capabilities and Available Forms
As a professional manufacturer, FUSHUN SPECIAL STEEL produces 1.4565 in various forms through hot rolling and hot forging processes to meet diverse industrial requirements:
Hot Rolled Products
Round Bars: Ø10-300mm
Square Bars: 10×10 – 150×150mm
Flat Bars: 10-100mm thickness
Plates: 6-80mm thickness
Hot Forged Products
Round Bars: Ø50-800mm
Square Bars: 50×50 – 400×400mm
Custom Shapes: Per customer requirements
Wire Products: Ø0.5-10mm
For special size requirements beyond standard dimensions, please contact our technical team. FUSHUN SPECIAL STEEL welcomes bulk orders and can customize production according to specific project needs.
FUSHUN SPECIAL STEEL Manufacturing Advantages
As a leading manufacturer, FUSHUN SPECIAL STEEL offers comprehensive advantages that ensure superior quality and service for 1.4565 production:
Advanced Melting Technology
In-house ESR, VIM, and VAR melting capabilities ensure ultra-clean steel with superior metallurgical properties and consistent chemical composition for critical applications.
Integrated Heat Treatment
Complete heat treatment facilities with precise temperature control guarantee stable quality, optimal mechanical properties, and fast delivery times.
Complete Finishing Services
In-house turning, grinding, and polishing operations reduce downstream costs and save customer time while maintaining strict dimensional tolerances.
Bulk Order Specialist
As a manufacturer, we welcome large-volume orders and offer competitive pricing for bulk quantities with reliable supply chain management.
Contact FUSHUN SPECIAL STEEL
For 1.4565 (Alloy 24, S34565) quotes, technical specifications, or bulk order inquiries, contact our professional team today.
Email: info@fushunspecialsteel.com | Phone: +86-731-89903933
