The S32304 Duplex Stainless Steel Tube, also known as S32304 Duplex Stainless Steel Pipe, is a high-performance duplex stainless steel designed to combine excellent mechanical strength with superior corrosion resistance. Its dual-phase microstructure of ferrite and austenite ensures exceptional durability, toughness, and stability under a variety of operating conditions.
With a chemical composition that includes approximately 23% chromium, 4% nickel, and 3% molybdenum, S32304 delivers enhanced resistance to pitting, crevice, and stress corrosion cracking, making it suitable for highly corrosive environments. All products are manufactured according to international standards such as ASTM A789, ASME SA789, and EN 1.4462. Each tube is supplied with a Mill Test Certificate (MTC), and third-party inspections (SGS, BV, TÜV) are available to ensure full quality assurance.
Key Features & Advantages
High Corrosion Resistance – Superior resistance to chloride-induced corrosion compared to standard duplex grades.
Excellent Strength – Higher yield and tensile strength allow for lighter and more efficient designs.
Durable & Reliable – Maintains mechanical performance across a wide range of temperatures.
Certified Quality – Complete traceability with MTC and optional third-party verification.
Fabrication Flexibility – Supports welding, bending, machining, and other processing operations.
Applications
S32304 Duplex Stainless Steel Pipe is ideal for demanding industrial applications where corrosion resistance and mechanical strength are critical:
Chemical and petrochemical pipelines
Desalination plants and seawater systems
Oil & gas processing and transport pipelines
Food and beverage processing lines
Structural and architectural piping systems
Product Specifications & Technical Data
|
Parameter |
Specification |
|
Grade / Standard |
S32304 Duplex Stainless Steel Tube / Pipe |
|
Standards |
ASTM A789, ASME SA789, EN 1.4462 |
|
Outer Diameter |
12mm – 610mm (customized) |
|
Wall Thickness |
1.0mm – 25mm |
|
Length |
2000mm – 12000mm or per customer request |
|
Surface Finish |
Pickled, 2B, BA, Polished |
|
Yield Strength (Rp0.2) |
≥ 450 MPa |
|
Tensile Strength (Rm) |
650 – 780 MPa |
|
Elongation (%) |
≥ 25% |
|
Hardness |
≤ 290 HB |
|
Corrosion Resistance |
Excellent resistance to pitting, crevice, and moderate chloride attack |
|
Certificates |
MTC, ISO 9001, SGS, BV, TÜV |
Customization Services
At Jiangsu Cunrui Metal Products Co., Ltd., we provide comprehensive customization for S32304 Duplex Stainless Steel Pipe:
Cutting, bending, welding, and other fabrication services
Surface treatment: pickling, sandblasting, or polishing
Non-standard diameters, wall thickness, and lengths per customer drawings
Low minimum order quantities with fast response and delivery
Custom packaging solutions for safe transportation
Price & Delivery
Competitive pricing with volume discounts available
Standard lead time: 7–20 days depending on order size
Ready stock available for commonly used sizes
Secure packaging that meets export requirements
Our Strength
Advanced manufacturing facilities with precision rolling, cutting, and finishing equipment
Experienced technical team providing professional guidance on material selection and application
Global export experience covering Europe, North America, Middle East, and Asia
ISO 9001 certified and compliant with international quality standards
High production capacity to support large-scale orders
Service & Support
Quick response to inquiries within 12 hours
Technical consultation for material selection, design, and application
Export-standard packaging and handling
After-sales support including replacement or refund for verified quality issues
Full export documentation including CO, Form A, Form E, and inspection reports
FAQ
Q1: How does S32304 differ from 2205 duplex stainless steel?
A1: S32304 contains higher chromium, molybdenum, and nitrogen levels, providing superior corrosion resistance in harsh environments compared to 2205.
Q2: Can I order custom lengths and diameters?
A2: Yes, we offer full customization according to your specifications or drawings.
Q3: Do you provide third-party inspections?
A3: Yes, SGS, BV, and TÜV inspections are available upon request.
Q4: What surface finishes are available?
A4: Pickled, 2B, BA, and polished finishes can be provided depending on customer requirements.
Q5: Is small quantity order acceptable?
A5: Yes, flexible minimum order quantities are supported for trial or small projects.
Hot Tags: s32304 duplex stainless steel tube, China s32304 duplex stainless steel tube manufacturers, factory, S32304 Duplex Stainless Steel Tube, S32101 Duplex Stainless Steel Pipe, S32760 Super Duplex Stainless Steel Pipe, S32101 Duplex Stainless Steel Tube, 2205 Duplex Stainless Steel Pipe, S32760 Super Duplex Stainless Steel Tube
