HRS Ferritic · Certified Supplier & Stockist
Duplex 2205 / UNS 31803 Sheets
Exporter / Importer / Supplier
High-Performance Duplex Stainless Steel Sheets · High Strength and Corrosion Resistance · Excellent resistance to chloride stress corrosion cracking · Cost-Effective
ASTM A240
UNS S32205 / S31803
EN 1.4462
JIS SUS 329J3L
📋 Table of Contents
HRS Ferritic · Duplex 2205 UNS 31803 Sheet Supplier & Stockist
Duplex 2205 UNS 31803 Sheets
Exporter / Importer / Supplier
HRS Ferritic is a globally recognized supplier of high-performance stainless steel products, serving critical industries with materials sourced from valuable and certified manufacturers. With years of industry expertise and a strong global supply network, we have established ourselves as a trusted Duplex 2205 UNS 31803 Sheet Supplier, Duplex 2205 UNS 31803 Sheet Stockist, and Duplex 2205 UNS 31803 Sheet Importer. Our commitment to quality, traceability, and customer satisfaction ensures reliable solutions for demanding engineering applications worldwide.
- Excellent resistance to chloride stress corrosion cracking
- High tensile and yield strength
- Superior resistance to pitting and crevice corrosion
- Good weldability and fabrication characteristics
- Cost efficiency due to reduced nickel content
- Balanced microstructure of ferrite and austenite
2205Duplex Grade
Grade Overview
Introduction & Overview — Duplex 2205 UNS 31803 Sheets
Duplex 2205 UNS S31803 sheets are duplex stainless steel products that combine austenitic and ferritic microstructures in approximately equal proportions. This dual-phase structure provides a unique balance of high strength, excellent corrosion resistance, and superior resistance to stress corrosion cracking compared to conventional austenitic stainless steels.
21–23%
Chromium Content
Dual Phase
Balanced Structure
620 min
Tensile Strength MPa
0.5–100
Thickness Range mm
Composition Analysis
Metallurgical Characteristics of Duplex 2205 UNS 31803 Sheet
Balanced levels of chromium, molybdenum, and nitrogen enhance resistance to pitting, crevice corrosion, and general corrosion.
Cr
Chromium
Provides excellent corrosion resistance, especially against oxidation and aggressive environments.
Ni
Nickel
Stabilizes the austenitic phase and improves toughness, ductility, and corrosion resistance.
Mo
Molybdenum
Enhances pitting and crevice corrosion resistance, particularly in chloride environments.
N
Nitrogen
Increases strength, improves pitting resistance, and helps maintain duplex microstructure.
Mn
Manganese
Assists in deoxidation during steelmaking and improves hot-working properties.
Si
Silicon
Acts as a deoxidizer during manufacturing and contributes to oxidation resistance.
C
Carbon
Present in very small amounts to avoid carbide precipitation and corrosion issues.
P/S
P & S
Controlled at low levels to maintain ductility and maximum corrosion resistance.
Technical Data
Specifications for Duplex 2205 UNS 31803 Sheet
ASTM A240 · UNS S32205 / S31803 · EN 1.4462 · JIS SUS 329J3L
| Specification | Details |
|---|---|
| ASTM | ASTM A240 (Plate, Sheet, and Strip) |
| UNS | UNS S32205 / S31803 |
| EN | 1.4462 |
| DIN | 1.4462 |
| ISO | ISO 15510 – X2CrNiMoN22-5-3 |
| JIS | SUS 329J3L |
| Product Form | Sheets / Plates |
| Thickness Range | 0.5 mm to 100 mm |
| Standard Widths | 1000 mm, 1219 mm, 1250 mm, 1500 mm, 1800 mm, 2000 mm, 2500mm, 3000mm, 3500mm, etc |
| Standard Lengths | 2000 mm, 2440 mm, 2500 mm, 3000 mm, 5800 mm, 6000mm, etc |
| Custom Width Cut | Available as per customer requirement |
| Custom Length Cut | Available as per customer requirement |
| 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
Precision Duplex 2205 sheets in various finishes for immediate delivery.
Plates
Heavy plates for structural and industrial high-pressure environments.
Coils
Slitting coils and thin foils for precision fabrication requirements.
Blanks
Circles, rings, and custom-cut blanks tailored to your engineering needs.
Chromium (Cr)
21.0 – 23.0% — Superior oxidation and general corrosion resistance.
Nickel (Ni)
4.5 – 6.5% — Stabilizes the structure and improves toughness.
Molybdenum (Mo)
2.5 – 3.5% — Enhances pitting resistance in chloride environments.
Nitrogen (N)
0.14 – 0.20% — Increases strength and maintains duplex balance.
Tensile Strength
620 MPa (min) — Exceptional strength for demanding industrial use.
Yield Strength
450 MPa (min) — Reliable performance in high-pressure assemblies.
Elongation
25% — Good ductility for complex fabrication and forming.
Hardness
≤ 290 HB — Optimized balance of strength and durability.
Product Range
Types of Duplex 2205 UNS 31803 Sheet
As an experienced Duplex 2205 UNS 31803 Sheet Importer, we maintain ready stock across multiple sizes and finishes.
Hot Rolled Duplex 2205 Sheets
Cold Rolled Duplex 2205 Sheets
Annealed & Pickled Sheets
Polished and Decorative Sheets
Precision-Cut Industrial Sheets
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 Properties of Duplex 2205 UNS 31803 Sheet
The performance of Duplex 2205 is driven by high levels of chromium, molybdenum, and nitrogen that enhance resistance to pitting and corrosion.
| Element | Percentage (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Nitrogen (N) | 0.14 – 0.20 |
| Manganese (Mn) | ≤ 2.0 |
Performance Data
Mechanical properties of Duplex 2205 UNS 31803 Sheet
620 (min)
Tensile Strength
MPa — Exceptional strength for critical industrial applications
450 (min)
Yield Strength
MPa — High performance in high-pressure environments
25%
Elongation
Good ductility for complex bending and forming processes
≤ 290
Hardness (HB)
Maximum durability for aggressive wear environments
High
Impact Strength
Superior toughness even in sub-zero temperature settings
Cost Information
Price Lists for Duplex 2205 UNS 31803 Sheet
Price Factors
Factors that affect the price of Duplex 2205 UNS 31803 Sheet
- Fluctuations in alloying element prices
- Thickness, width, and surface finish
- Production method and quality standards
- Freight costs and global demand
- Order quantity and logistics requirements
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International Standards
Equivalent Grades for Duplex 2205 UNS 31803 Sheet
Global metallurgical designations for Duplex 2205 across major standards.
| Standard / Region | Grade / Designation |
|---|---|
| UNS | S32205 / S31803 |
| ASTM | ASTM A240 / A240M Duplex 2205 |
| ASME | ASME SA240 Duplex 2205 |
| EN (European Standard) | EN 1.4462 |
| DIN (Germany) | 1.4462 |
| EN Chemical Name | X2CrNiMoN22-5-3 |
| ISO | ISO 15510 – X2CrNiMoN22-5-3 |
| BS (British Standard) | 318S13 |
| SS (Swedish Standard) | SS 2377 |
| JIS (Japan) | SUS 329J3L |
| Forging Grade | ASTM A182 F51 / F60 |
| Trade Name | SAF 2205 |
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Ready Stock Availability & 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 (tread) plates
- Edge Conditions: Mill edge, slit edge, round edge, square edge
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Quality Assurance & Global 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 & moisture-protected
Use Cases
Applications and Importance of Duplex 2205 UNS 31803 Sheet
✈️ Aerospace
Used in structural panels, fastener components, and assemblies with high strength-to-weight ratio.
⛽ Oil & Gas
Offshore platforms, pipelines, pressure vessels, and heat exchangers in chloride-rich environments.
🌾 Fertilizer Industry
Reactors, evaporators, and storage equipment handling corrosive chemicals and high-temp processes.
⚡ Electric Sector & EV
Battery enclosures, cooling systems, and structural components for power systems.
🏗️ Construction
Bridges, coastal structures, and architectural components requiring extreme durability.
🧪 Chemical Processing
Reactors, storage tanks, and piping systems handling aggressive chemicals and high temperatures.
🚗 Automotive
Exhaust systems, structural reinforcements, and corrosion-resistant automotive components.
💊 Pharmaceuticals
Process equipment and cleanroom structures requiring corrosion resistance and hygiene compliance.
Why HRS Ferritic
Why choose HRS Ferritic for Duplex 2205 UNS 31803 Sheet?
HRS Ferritic is a leading global supplier of stainless steel and duplex steel products, offering reliable solutions for demanding industrial applications. Our strong logistics network, technical expertise, and commitment to quality ensure long-term value for our customers.
Trusted Duplex 2205 UNS 31803 Sheet Supplier
Sourced from valuable and certified manufacturers
Ready stock with global export capability
Competitive pricing and transparent processes
Custom sizes, finishes, and documentation support
Strict quality control and full traceability
Notable 2205 31803 Sheet Stockist
Strong global 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 UNS 31803 Sheets.
Thicker Duplex 2205 UNS S31803 sheets require more raw material and specialized rolling processes, which increases manufacturing cost and leads to price fluctuations in the duplex stainless steel sheet market.
Large or custom Duplex 2205 sheet dimensions often require additional cutting, processing, and finishing, causing variations in the Duplex 2205 stainless steel sheet price across global suppliers.
The Duplex 2205 sheet price changes frequently due to variations in nickel, chromium, and molybdenum costs, supply chain conditions, and demand from major industrial sectors.
Duplex 2205 stainless steel sheets are widely used in oil and gas equipment, chemical processing plants, marine structures, and desalination systems due to their excellent corrosion resistance and high strength.
Special finishes such as 2B, No.4, or polished Duplex 2205 sheets require additional processing steps, which increases the overall Duplex 2205 stainless steel sheet price per kg.
Duplex 2205 stainless steel sheets are preferred in pressure vessels, heat exchangers, offshore platforms, and structural components because of their superior strength, chloride resistance, and durability.
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