Alloy 2205 Duplex Steel Sheets & Plates Overview
Zeon Exports supplies Alloy 2205 (UNS S32205/S31803) duplex stainless steel sheets and plates for oil & gas, marine, chemical processing and desalination projects. Available in hot-rolled and cold-rolled forms across a wide thickness range, with mill test certificates and full traceability on every shipment from Mumbai.
Alloy 2205 Duplex Steel Sheets & Plates combine austenitic and ferritic microstructures in roughly equal proportion, giving nearly double the yield strength of standard 304L/316L stainless steel along with strong resistance to pitting, crevice and stress corrosion cracking in chloride-rich environments.
Zeon Exports processes and exports these sheets and plates in standard and custom sizes to fabricators, EPC contractors and stockists worldwide, backed by full documentation for pressure vessel, piping and structural applications.
- High-PREN duplex grade with roughly double the yield strength of 304L/316L
- Hot-rolled & cold-rolled sheets and plates in custom thickness and finish
- Mill test certificates, full traceability, export-grade packaging
Quick Specifications of Alloy 2205 Duplex Steel Sheets & Plates
Alloy 2205 Duplex Steel Sheets & Plates from Zeon Exports are supplied to the following typical specification; confirm exact parameters against your project requirement.
| Field | Detail |
|---|---|
| Material/Grade | Alloy 2205 Duplex Stainless Steel |
| UNS | S32205 / S31803 |
| Werkstoff Number | 1.4462 |
| Standards | ASTM A240 / ASME SA240 |
| Form | Sheet, Plate |
| Finish | Hot-rolled, Cold-rolled |
| Heat Treatment | Solution annealed |
| Certification | Mill Test Certificate (EN 10204 3.1) |
Equivalent Grades of Alloy 2205
Alloy 2205 is manufactured and traded under several equivalent designations across standards bodies; confirm exact cross-references against the applicable specification.
| UNS | Werkstoff Number | EN Steel Name | Common Trade Name | ASTM/ASME Standard |
|---|---|---|---|---|
| S32205 / S31803 | 1.4462 | X2CrNiMoN22-5-3 | Alloy 2205 / Duplex 2205 | ASTM A240 / ASME SA240 |
Chemical Composition of Alloy 2205
Composition below follows ASTM A240/ASME SA240 for UNS S32205; permissible ranges can vary slightly by exact specification and heat, so limits should be confirmed on the mill test certificate.
| Element | Range |
|---|---|
| Chromium (Cr) | 21 – 23% |
| Nickel (Ni) | 4.5 – 6.5% |
| Molybdenum (Mo) | 2.5 – 3.5% |
| Nitrogen (N) | 0.14 – 0.20% |
| Manganese, Silicon, Iron | Balance |
Physical Properties of Alloy 2205 Duplex Steel
Typical physical properties for the 2205 duplex family are listed below; confirm exact figures for a specific heat against the mill test certificate before design use.
| Property | Typical Value |
|---|---|
| Density | To be confirmed on request |
| Melting Range | To be confirmed on request |
| Magnetic Behaviour | Duplex structure – ferromagnetic (unlike austenitic grades) |
Mechanical Properties of Alloy 2205 Duplex Steel Sheets & Plates
Minimum mechanical properties for Alloy 2205 Duplex Steel Sheets & Plates in the annealed condition, per ASTM A240/ASME SA240.
| Property | Minimum |
|---|---|
| Tensile Strength | 620 MPa |
| Yield Strength (0.2% offset) | 450 MPa |
| Elongation | 25% |
| Condition | Solution Annealed |
Corrosion Resistance of Alloy 2205 Duplex Steel
- Alloy 2205 carries a PREN (Pitting Resistance Equivalent Number) in the 34–38 range, giving it markedly stronger resistance to pitting and crevice attack than 304L or 316L stainless steel.
- Pitting resistance: performs reliably in chloride-bearing waters, including seawater and brine service.
- Crevice resistance: the balanced duplex microstructure resists localized attack under gaskets, deposits and tight-tolerance joints.
- Chloride resistance: well suited to chloride-rich process streams in desalination, marine and offshore environments where 300-series grades risk stress corrosion cracking.
Heat Resistance of Alloy 2205 Duplex Steel
Alloy 2205 is generally suited to continuous service at moderate elevated temperatures, but duplex grades are typically not recommended for sustained use above roughly 300°C, where sigma-phase embrittlement risk increases; confirm exact limits against the applicable design code and your fabricator's welding procedure before specifying for high-temperature service.
Key Properties of Alloy 2205 Duplex Steel Sheets & Plates
Beyond corrosion and heat performance, Alloy 2205 sheets and plates offer these additional properties.
- Roughly double the yield strength of standard austenitic stainless sheet and plate
- Good weldability using standard duplex-qualified welding procedures
- Machinable with standard tooling at moderate cutting speeds
- Lower coefficient of thermal expansion than most austenitic grades
Benefits of Alloy 2205 Duplex Steel Sheets & Plates
Choosing Alloy 2205 Duplex Steel Sheets & Plates from Zeon Exports gives buyers these practical advantages.
- Thinner sections possible for the same load rating, cutting material and freight cost
- Longer service life in chloride environments reduces maintenance and downtime
- Custom thickness, size and finish options against a single purchase order
- Mill test certificates and third-party inspection coordination on request
- Consistent export documentation and packaging for global project delivery
Related Products
Alloy 2205 Duplex Steel is also available in the following product forms.
Request a Quote for Alloy 2205 Duplex Steel Sheets & Plates
Ready to source Alloy 2205 Duplex Steel Sheets & Plates? Share your specification and Zeon Exports will revert with pricing and lead time.
Call: +91 98205 33105
Email: info@zeonexports.com
Website: www.zeonexports.com
Address: A-7/9, Saboo Building, Ardeshir Dady Cross Lane, Cawasji Patel Tank Road, Mumbai – 400004
Frequently Asked Questions About Alloy 2205 Duplex Steel Sheets & Plates
Common questions buyers ask about Alloy 2205 Duplex Steel Sheets & Plates.
Q1: What is Alloy 2205 Duplex Steel?
Ans. Alloy 2205 (UNS S32205/S31803) is a nitrogen-enhanced duplex stainless steel with a roughly equal austenite-ferrite microstructure, offering high strength and strong resistance to chloride corrosion.
Q2: What thickness range is available for Alloy 2205 sheets and plates?
Ans. Zeon Exports supplies standard and custom thickness ranges in both hot-rolled and cold-rolled condition; confirm exact availability against your order quantity.
Q3: What standards do these sheets and plates meet?
Ans. Typically supplied to ASTM A240 / ASME SA240; equivalent EN and other standards can be confirmed for specific projects.
Q4: Is Alloy 2205 stronger than 316L stainless steel?
Ans. Yes, Alloy 2205 offers roughly double the yield strength of 316L while also resisting pitting and stress corrosion cracking better.
Q5: Can Alloy 2205 sheets be welded?
Ans. Yes, using standard duplex-qualified welding procedures with controlled heat input; post-weld heat treatment may be needed for thicker sections.
Q6: What industries use Alloy 2205 sheets and plates?
Ans. Oil & gas, marine, chemical processing, desalination and structural fabrication are the primary industries specifying this grade.
Q7: What surface finishes are offered?
Ans. Both hot-rolled and cold-rolled finishes are available; confirm exact finish codes with our sales team for your order.
Q8: Does Zeon Exports provide mill test certificates?
Ans. Yes, mill test certificates and export documentation are provided with every shipment, with third-party inspection available on request.
