HRS Ferritic · Duplex 2205 UNS S31803 Plate Supplier, Stockist & Importer
Duplex 2205 UNS S31803 Plate
Duplex S32205 Plate
High strength compared to standard stainless steel · Excellent resistance to pitting and crevice corrosion · Superior resistance to stress corrosion cracking · Global Industrial Supply
ASTM A240 / SA240
UNS S31803
UNS S32205
EN 1.4462
📋 Table of Contents
HRS Ferritic · Global Supplier & Importer
What is Duplex 2205 UNS S31803 Plate?
Duplex 2205 UNS S31803 plate is a duplex stainless steel that combines both austenitic and ferritic microstructures. This unique composition provides a balanced combination of high strength and excellent corrosion resistance. It is widely used in environments where resistance to stress corrosion cracking, pitting, and crevice corrosion is critical. It offers nearly double the strength of standard austenitic stainless steels, making it suitable for heavy-duty applications.
- High strength compared to standard stainless steel
- Excellent resistance to pitting and crevice corrosion
- Superior resistance to stress corrosion cracking
- Long service life in harsh environments
- Reduced maintenance and replacement costs
- Good weldability and fabrication properties
DuplexS31803
Grade Overview
Duplex 2205 UNS S31803 Plate
We are a reliable Duplex 2205 UNS 31803 Plate Supplier and Stockist, offering high-performance materials for industries such as oil & gas, construction, and chemical processing.
21–23%
Chromium Content
Duplex
Austenitic-Ferritic
620–850
Tensile Strength MPa
0.5–100
Thickness Range mm
Composition Analysis
Metallurgical Characteristics of Duplex 2205 UNS S31803 Plate
A dual-phase microstructure consisting of both austenite and ferrite provides high strength and superior corrosion resistance.
Cr
Chromium
Enhances corrosion resistance and forms a protective oxide layer.
Ni
Nickel
Improves toughness and ductility of the dual-phase structure.
Mo
Molybdenum
Increases resistance to pitting and crevice corrosion in chlorides.
N
Nitrogen
Boosts strength and significantly enhances pitting resistance.
C
Carbon
Controlled to very low levels to avoid carbide precipitation.
Mn
Manganese
Improves toughness and workability during fabrication processes.
Si
Silicon
Enhances oxidation resistance at moderately high temperatures.
Fe
Iron
Base element balanced with other alloys for the duplex structure.
Technical Data
Specifications for Duplex 2205 UNS S31803 Plate
ASTM A240 · UNS S31803 · S32205 · EN 1.4462
| Specification | Details |
|---|---|
| ASTM / ASME | ASTM A240 / ASME SA240 (Plate, Sheet, and Strip) |
| UNS | UNS S31803 / S32205 |
| EN / DIN | 1.4462 / DIN 1.4462 (X2CrNiMoN22-5-3) |
| ISO / JIS | ISO 2205 / SDS2205 |
| Product Form | Sheets / Plates |
| Thickness Range | 0.5 mm to 100 mm |
| Standard Widths | 1000, 1219, 1250, 1500, 1800, 2000, 2500, 3000, 3500 mm |
| Standard Lengths | 2000, 2440, 2500, 3000, 5800, 6000 mm |
| Surface Finish | Hot Rolled (HR), Cold Rolled (CR), Annealed & Pickled (AP) |
| Supply Condition | Solution Annealed |
| Cutting Methods | Plasma, Laser, Waterjet, Oxy Propane |
| Packaging | Bundled, Wooden Plates, Bubble wraps, Customized |
Inventory
Available Stock & Product Forms
Sheets & Plates
Precision sheets, heavy plates, and shim sheets from 0.5mm to 100mm thickness.
Coils & Strips
Slitting coils, perforated coils, and thin foils from 0.05 mm available.
Circles & Rings
Precision custom-cut circles and rings tailored to industrial blueprints.
Specialty Forms
Custom-cut blanks and chequered (tread) plates for diverse applications.
Chromium
21.0–23.0% — High resistance to corrosion and scaling.
Nickel
4.5–6.5% — Enhances toughness and structural stability.
Molybdenum
2.5–3.5% — Superior resistance to pitting and crevice corrosion.
Nitrogen
0.08–0.20% — Boosts yield strength and corrosion resistance.
Tensile Strength
620–850 MPa — Nearly double the strength of standard stainless steels.
Yield Strength
450–550 MPa — High performance under heavy structural loads.
Elongation
25–35% — Excellent ductility and toughness for fabrication.
Hardness
250–280 HB — Optimized hardness for long service life.
Product Range
Types of Duplex 2205 UNS S31803 Plate
We supply diverse range of plates processed for high-performance industrial requirements.
Hot-rolled Duplex 2205 Plates
Cold-rolled Duplex 2205 Plates
Polished Duplex 2205 Plates
Perforated Duplex 2205 Plates
Custom-cut Duplex 2205 Plates
Annealed & Pickled Duplex 2205 Plates
Application Sectors
Industries We Serve
Sugar Industry
Global cane and beet processing requiring thermal endurance.
Power Industry
Electricity generation and distribution systems.
Ship Building
Marine propulsion and exhaust components.
Mechanical & Plant Engineering
Industrial machinery design solutions.
Food, Beverage & Dairy
Processed food manufacturing environments.
Oil & Gas Plant
Refinery furnace units and burner assemblies.
Chemical Composition
Chemical Details of Duplex 2205 UNS S31803 Plate
The working mechanism of duplex 2205 UNS S31803 plate is based on its dual-phase microstructure, consisting of balanced austenite and ferrite.
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Nitrogen (N) | 0.08 – 0.20 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Carbon (C) | ≤ 0.03 |
| Iron (Fe) | Balance |
Performance Data
Mechanical Properties of Duplex 2205 Plate
620–850
Tensile Strength
MPa — Balanced combination of high strength and toughness
450–550
Yield Strength
MPa — Double the strength of standard stainless steels
25–35%
Elongation
Excellent ductility for fabrication and structural reliability
250–280 HB
Hardness
Brinell — High resistance to wear and surface erosion
80–100 J
Impact Strength
High toughness at room temperature and moderate cold
Cost Information
Price List for Duplex 2205 UNS S31803 Plate
Price Factors
What affects the 2205 price?
- Nickel and molybdenum market fluctuations
- Plate thickness and overall dimensions
- Surface finish and customization needs
- Order volume and bulk purchase benefits
- Transportation and global logistics costs
- Complexity of precision cutting required
Get Pricing Today
Get A Quote!
Custom pricing · Bulk discounts · Export-ready delivery
📧 [email protected]
International Standards
Equivalent Grades for Duplex 2205 UNS S31803 Plate
Duplex 2205 is internationally recognized for its superior strength and corrosion resistance.
| Standard / Region | Equivalent Grade / Designation |
|---|---|
| UNS (USA) | S31803 / S32205 |
| EN / European | 1.4462 |
| DIN (Germany) | X2CrNiMoN22-5-3 / 1.4462 |
| BS (British) | 2205 |
| JIS (Japan) | SDS2205 |
| AFNOR (France) | Z3CN22-5-3 |
| ISO | 2205 |
| GB (China) | 0Cr22Ni5Mo3N |
| UNI (Italy) | 2205 |
| SABS (South Africa) | 2205 |
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Ready Stock & Product Forms
- Flat Products: Precision sheets, heavy plates, shim sheets
- Coils & Strips: Slitting coils, perforated coils, thin foils from 0.05 mm
- Speciality Forms: Circles, rings, custom-cut blanks, chequered plates
- Edge Conditions: Mill edge, slit edge, round edge, square edge
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Quality Assurance & Logistics
- Testing: PMI, Ultrasonic Testing (UT), Radiography (RT), corrosion testing
- Certification: EN 10204 3.1 / 3.2, NACE compliance (on request)
- Global Supply: USA, UAE, Saudi Arabia, Singapore, Indonesia, Europe
- Export Packaging: ISPM-15 fumigated wooden crates, shrink-wrapped
Use Cases
Applications of Duplex 2205 Plates
🚀 Aerospace
Used in structural components requiring high strength and corrosion resistance.
⚓ Oil & Gas
Widely used in pipelines, offshore platforms, and pressure vessels.
🌾 Fertilizer Industry
Suitable for handling corrosive chemicals and fertilizers in process plants.
⚡ Electric & EV
Provides durability and resistance in energy storage systems and batteries.
🏗️ Construction
Used in bridges and buildings requiring extreme strength and longevity.
🧪 Chemical Processing
Ideal for tanks, reactors, and piping systems handling aggressive chemicals.
🚗 Automotive
Used in high-performance parts exposed to harsh conditions and stress.
💊 Pharmaceuticals
Ensures superior corrosion resistance and strict hygiene standards.
Why HRS Ferritic
Why Choose HRS Ferritic for Duplex 2205?
HRS Ferritic is an industry-leading Duplex 2205 UNS 31803 Plate Supplier and Stockist. We focus on delivering top-quality stainless steel products with reliability and customer satisfaction, ensuring high-performance duplex solutions for demanding environments.
Leading Duplex 2205 Supplier & Importer
High-quality materials sourced from certified mills
Ready stock availability for fast global delivery
Competitive pricing with full traceability
Expertise in dual-phase stainless steel alloys
EN 10204 3.1 / 3.2 quality documentation
Customized solutions for different industries
Export-grade packaging and logistics support
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Cities We Supply In India
New Delhi · Ahmedabad · Jaipur · Surat · Salem · Gandhinagar · Varanasi · Haldia ·
Bhiwandi · Tiruppur · Jamnagar · Thiruvananthapuram · Rajahmundry · Visakhapatnam · Bhubaneswar ·
Vijaywada · Rajkot · Bharuch · Coimbatore · Nagpur · Raipur · Cochin · Ludhiana · Panipat · Durgapur ·
Agra · Indore · Kuala Lumpur · Al Jubail · Pimpri-Chinchwad · Sharjah · Karachi · Chandigarh · Bogota · Muscat · Madrid · Tehran · Granada · Jakarta · Los Angeles · Rio de Janeiro · Melbourne · Cairo · New York · Busan · Milan · Montreal · Singapore · Sydney · Dubai · Lagos · Gurgaon · Port-of-Spain · Hong Kong · Navi Mumbai · Secunderabad · Bangkok · Aberdeen · Bhopal · Atyrau · Caracas · Jamshedpur · Thane · Faridabad · Ahvaz · Ahmedabad · Hanoi · Bengaluru · Dallas · Moscow · Surat · Riyadh · Rajkot · Al Khobar · Hyderabad · Haryana · Ernakulam · Gimhae-si · Algiers · Thiruvananthapuram · Brisbane · Calgary · Mumbai · Chennai · Courbevoie · Toronto · Vung Tau · Ankara · Doha · Nagpur · Howrah · Ranchi · Perth · Noida · Houston · Kolkata · Chiyoda · Mexico City · Edmonton. Geoje-si · Abu Dhabi · Santiago · New Delhi · Colombo · Ludhiana · Lahore · Coimbatore · Ho Chi Minh City · Manama · Ulsan · London · Visakhapatnam · Jaipur · Kuwait City · Seoul · Istanbul · Pune · Baroda · Kanpur · La Victoria · Jeddah · Dammam · Petaling Jaya · Nashik · Vadodara ·jamnagar ·hazira · jubail industrial city · Ajman · Capetown · San Francisco · sao paulo · Barcelona · Ahmedi · Muscat · Madrid · Birmingham · Johannesburg.
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Countries We Export To
Saudi Arabia · Qatar · Canada · Sri Lanka · Iran · Nigeria · Bangladesh · Oman · UAE ·
Turkey · Kuwait · Venezuela · Africa · Singapore · Netherlands · United Kingdom · Mexico · Malaysia ·
United States · Australia · Japan Saudi Arabia · Iran · Iraq · UAE · Qatar · Bahrain · Oman · Kuwait · Turkey · Yemen · Syria · Jordan · Cyprus · Nigeria · Algeria · Angola · South Africa · Libya · Egypt · Sudan · Equatorial Guinea · The Republic Of Congo · Gabon · USA · Canada · Mexico · Panama · Costa Rica · Puerto Rica · Trinidad And Tobago · Jamaica · Bahamas · Denmark · Russia · Norway · Germany · France · Italy · Uk · Spain · Ukraine · Netherland · Belgium · Greece · Czech Republic · Portugal · Hungary · Albania · Austria · Switzerland · Slovakia · Finland · Ireland · Croatia · Slovenia · Malta · India · Singapore · Malaysia · Indonesia · Thailand · Vietnam · South Korea · Japan · Sri Lanka · Maldives · Bangladesh · Myanmar · Taiwan · Cambodia · Argentina · Bolivia · Brazil · Chile · Venezuela · Colombia · Ecuador · Guyana · Paraguay · Uruguay · New Zealand · Romania · Puerto Rico · Nepal · Kenya · Afghanistan · Lithuania · Belarus · Zimbabwe · Israel · Azerbaijan · Poland · Australia · Morocco · Philippines.
Support
Frequently Asked Questions
Quick answers to common queries about Duplex 2205 Plates.
Plates with a polished or premium surface finish cost a bit more because extra processing goes into making them smooth, shiny, and precise.
Custom sizes mean extra cutting, handling, and precision work, so naturally the cost goes up compared to standard plates.
Absolutely—nickel, molybdenum, and chromium prices can swing, and since Duplex 2205 relies heavily on these alloys, your plate costs can vary too.
Thicker plates use more material and weigh more, so both production and shipping costs increase, making them pricier.
Bigger plates aren’t just heavier—they also require more material and careful handling, so the price naturally goes up.
These plates are perfect for chemical plants, marine structures, oil & gas, and desalination equipment because they resist corrosion and handle tough conditions.
Thanks to its high chromium, molybdenum, and nitrogen content, Duplex 2205 stands up to pitting and stress corrosion cracking, even in salty environments.
A smooth, polished finish is key for hygienic setups, filtration, and any application where corrosion resistance and cleanliness matter.
The heavy use of nickel, molybdenum, and chromium makes the raw material more expensive, which directly affects the price of the plates.
HRS Ferritic
