The S32101 Duplex Stainless Steel Pipe, also known as S32101 Duplex Stainless Steel Tube, is a high-quality dual-phase stainless steel pipe designed to offer an optimal balance of strength and corrosion resistance. Its ferritic-austenitic microstructure provides superior mechanical properties, excellent toughness, and stability under various operating conditions.
The chemical composition includes approximately 21% chromium, 1% nickel, and 1% molybdenum, making it resistant to general corrosion and suitable for moderate chloride environments. Manufactured according to international standards including ASTM A789, ASME SA789, and EN 1.4162, each pipe comes with a Mill Test Certificate (MTC), and third-party inspection (SGS, BV, TÜV) is available to ensure reliability and quality consistency.
Key Features & Advantages
Cost-Effective – Lower nickel content compared to traditional duplex grades reduces overall material cost while maintaining good performance.
High Strength & Durability – Excellent yield strength and tensile properties allow for thinner walls and lighter construction.
Corrosion Resistance – Resists general corrosion and moderate chloride environments, suitable for water and chemical applications.
Certified Quality – Full traceability with MTC and optional third-party verification.
Fabrication Flexibility – Supports welding, bending, and machining with minimal risk of cracking.
Applications
S32101 Duplex Stainless Steel Tube is widely used in industries requiring moderate corrosion resistance and mechanical strength:
Chemical and petrochemical pipelines
Water treatment and desalination plants
Piping systems in oil & gas industries
Food and beverage processing lines
Automotive and structural applications
Product Specifications & Technical Data
|
Parameter |
Specification |
|
Grade / Standard |
S32101 Duplex Stainless Steel Pipe / Tube |
|
Standards |
ASTM A789, ASME SA789, EN 1.4162 |
|
Outer Diameter |
12mm – 610mm (customizable) |
|
Wall Thickness |
1.0mm – 25mm |
|
Length |
2000mm – 12000mm or as per customer requirement |
|
Surface Finish |
Pickled, 2B, BA, Polished |
|
Yield Strength (Rp0.2) |
≥ 450 MPa |
|
Tensile Strength (Rm) |
620 – 750 MPa |
|
Elongation (%) |
≥ 25% |
|
Hardness |
≤ 280 HB |
|
Corrosion Resistance |
Excellent against general corrosion and moderate chloride attack |
|
Certificates |
MTC, ISO 9001, SGS, BV, TÜV |
Customization Services
At Jiangsu Cunrui Metal Products Co., Ltd., we offer flexible processing options for S32101 Duplex Stainless Steel Tube:
Custom cutting, bending, and welding according to drawings
Surface treatments: pickling, polishing, or coating
Non-standard diameters and wall thickness available
Low MOQ with fast response time to support urgent projects
Price & Delivery
Competitive pricing with volume discounts for bulk orders
Fast delivery: standard lead time 7–20 days depending on quantity
Ready stock available for standard dimensions
Export-standard packaging to ensure safe global transportation
Our Strength
Advanced rolling, welding, and finishing equipment
Experienced technical and engineering team
Global export experience to Europe, America, Middle East, and Asia
Certified quality management system ISO 9001 and international inspection approvals
High production capacity to support large-scale orders
Service & Support
Rapid inquiry response within 12 hours
Technical support for material selection, installation, and application guidance
Secure packaging and handling for export
After-sales protection: replacement or refund for verified quality issues
Full export documentation including CO, Form A, Form E, and third-party inspection reports
FAQ
Q1: What is the difference between S32101 and 2101 duplex stainless steel?
A1: S32101 has a slightly higher chromium and molybdenum content, providing slightly improved corrosion resistance while maintaining similar mechanical properties.
Q2: Can I order custom diameters and wall thickness?
A2: Yes, we offer full customization according to your drawings or specifications.
Q3: Are third-party inspections available?
A3: Yes, SGS, BV, and TÜV inspections can be arranged.
Q4: What surface finishes are available?
A4: Pickled, 2B, BA, and polished finishes are available depending on application requirements.
Q5: Is small quantity order acceptable?
A5: Yes, we support low MOQ orders and can provide cut-to-size services.
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