2205 Duplex Stainless Steel Plate - ASTM A240/A182 Grade UNS S32205/S32206

Kuaima Steel Co., Ltd.

Verified Custom manufacturer 7yrs

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Technical Specifications of 2205 Duplex Stainless Steel Plate

Property	Parameter	Description
Product Name	2205 Duplex Stainless Steel Plate	Ferritic-austenitic stainless steel with superior strength and corrosion resistance
Material Grade	UNS S32205 / EN 1.4462 / ASTM A240	International grade equivalents
Standard Compliance	ASTM A240, EN 10088-2, ASME SA240	Meets major international standards
Carbon Content (C)	≤0.03%	Low carbon for improved weldability
Chromium (Cr)	22.0-23.0%	Provides excellent corrosion resistance
Nickel (Ni)	4.5-6.5%	Balances austenite-ferrite structure
Molybdenum (Mo)	3.0-3.5%	Enhances pitting and crevice corrosion resistance
Nitrogen (N)	0.14-0.20%	Strengthens austenite phase and improves PRE
Manganese (Mn)	≤2.0%	Stabilizes austenite formation
Tensile Strength	≥620 MPa	Minimum tensile strength per ASTM A240
Yield Strength	≥450 MPa	Minimum yield strength (0.2% offset)
Elongation	≥25%	Ductility in 50mm gauge length
Hardness	≤290 HBW	Brinell hardness maximum
PRE Number	≥35	Pitting Resistance Equivalent (Cr + 3.3Mo + 16N)
Thickness Range	3 - 100 mm	Available thickness options
Width Range	1000 - 3000 mm	Standard and custom widths
Surface Finish	2B, BA, No.1, Hot Rolled	Multiple surface treatment options
Application	Offshore, Chemical, Oil & Gas, Pulp & Paper	Typical application industries requiring high corrosion resistance
Certification	EN 10204 3.1, NACE MR0175, ISO 9001	Quality certifications provided
MOQ	1 ton	Minimum order quantity

2205 Duplex Stainless Steel Plate - ASTM A240/A182 Grade UNS S32205/S32206

2205 duplex stainless steel plate represents a specialized category of corrosion-resistant alloy that combines austenitic and ferritic microstructures in approximately equal proportions. This dual-phase composition delivers exceptional mechanical strength—nearly double that of conventional austenitic grades—while maintaining superior resistance to stress corrosion cracking and pitting in chloride-rich environments. Engineered for demanding industrial applications including offshore oil and gas platforms, chemical processing equipment, and desalination plants, this material serves critical roles where standard stainless steels fail to meet performance requirements.

What is 2205 Duplex Stainless Steel Plate?

2205 duplex stainless steel plate is a nitrogen-enhanced ferritic-austenitic alloy conforming to UNS S32205/S32206 designation, characterized by a balanced microstructure containing 40-60% ferrite in an austenitic matrix. Manufactured according to ASTM A240/A240M standards, this material exhibits a minimum yield strength of 450 MPa and demonstrates outstanding resistance to chloride-induced corrosion mechanisms that commonly affect single-phase stainless steels in marine and chemical processing environments.

2205 duplex stainless steel plate supplier

2205 Duplex Stainless Steel Plate Technical Specifications

The chemical composition comprises 21-23% chromium, 4.5-6.5% nickel, 2.5-3.5% molybdenum, and 0.14-0.20% nitrogen per ASTM A240 Section 6, delivering a Pitting Resistance Equivalent Number (PREN) exceeding 35. Mechanical properties include tensile strength of 620-880 MPa, elongation minimum 25% in 50mm gauge length, and Charpy V-notch impact energy of 60J at -40°C. Standard plate thicknesses range from 3mm to 100mm with widths up to 2500mm, supplied in hot-rolled, solution-annealed condition at 1020-1100°C.

Why Choose Our 2205 Duplex Stainless Steel Plate

Our manufacturing facility maintains ISO 9001:2015 and PED 2014/68/EU certifications, ensuring full traceability through mill test certificates per EN 10204 Type 3.1. Each plate undergoes ultrasonic testing per ASTM A435 and dimensional verification to ASTM A480 tolerances. We stock material certified to NACE MR0175/ISO 15156 for sour service applications and provide custom heat treatment services including stress relieving at 300-400°C for fabrication requirements. Factory-direct pricing eliminates distributor markups while maintaining delivery schedules of 15-25 days for standard dimensions.

2205 duplex stainless steel plate manufacturer

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard MOQ is 1 metric ton for stock dimensions. For custom thicknesses or special width requirements, the minimum order increases to 3 metric tons to optimize production efficiency. Sample pieces of 200x200mm are available for material qualification testing prior to bulk orders.

Do you provide material test certificates?

Yes, all shipments include EN 10204 Type 3.1 mill test certificates documenting chemical analysis by optical emission spectrometry, mechanical testing results, heat treatment parameters, and third-party inspection verification. Additional certifications such as NACE compliance, PMI reports, and ultrasonic testing records are available upon request at no extra charge.

What is the typical delivery time?

Stock thickness plates (6mm, 8mm, 10mm, 12mm) ship within 7-10 business days ex-works. Custom thickness production requires 20-30 days including solution annealing and quality inspection. Express processing is available for critical projects with 15-day lead times, subject to production capacity and 15% expedite fee.

Can you cut to custom sizes?

Our precision cutting services include plasma cutting for plates up to 80mm thickness (tolerance ±3mm), waterjet cutting for complex geometries (tolerance ±0.5mm), and shearing for straight cuts on material up to 25mm thick. Edge preparation options include beveling at 30-45° angles for welding preparation and surface grinding to Ra 3.2μm finish. Custom cutting adds 3-5 days to standard delivery schedules.

2205 duplex stainless steel plate China

Get a Competitive Quote for 2205 Duplex Stainless Steel Plate

Contact our technical sales team with your specifications including required dimensions, quantity, delivery location, and applicable standards. We provide detailed quotations within 24 hours including mill-direct pricing, estimated delivery schedules, and recommended testing protocols. Our metallurgical engineers offer complimentary consultation on material selection, welding procedures per AWS D1.6, and fabrication best practices to optimize your project performance and cost-efficiency.

Ratings & Reviews

5.0

Very satisfied

Based on 9 reviews for verified purchases

Supplier service

5.0

On-time shipment

5.0

Supplier service

5.0

Robert Brown

United Kingdom

verified purchases

2025-09-11

Premium S32205 with Excellent Technical Support
Sourced 11 tons of S32205 duplex plate in custom 14mm thickness, 1800mm width for pressure vessel manufacturing. Material exceeded expectations with nitrogen content at 0.18% providing optimal strength-toughness balance. Beveling service at 37.5° angle saved significant fabrication time with clean edge preparation. ISO 9001 and PED 2014/68/EU certifications fully documented. Technical team provided detailed welding procedure specifications and recommended interpass temperature controls. Compared quotes from five European suppliers; this offer was most competitive while maintaining premium quality standards. Custom heat treatment at 320°C performed perfectly for stress relief requirements.

Chris Martin

Canada

verified purchases

2025-09-26

Acceptable Quality with Minor Documentation Delays
Ordered 4.5 tons of 2205 duplex in 10mm thickness for mining equipment fabrication. Material quality met ASTM A240 requirements with proper mechanical properties: 672 MPa tensile strength, 26% elongation. Initial shipment arrived without complete ultrasonic testing reports, causing 5-day delay in our quality approval process. Supplier quickly provided missing documentation and offered 5% discount on next order as compensation. Material performed adequately during welding trials. For the price point, quality is acceptable though communication regarding documentation requirements could be clearer upfront. Would order again for non-critical applications.

Wei Chen

Singapore

verified purchases

2025-10-03

Decent Quality with Competitive Lead Time
Purchased 6 tons of 2205 plate in 6mm thickness for stock inventory. Material arrived with proper EN 10204 3.1 certificates showing chemical composition within specification range. Surface quality was good 2B finish, though two plates had minor edge waviness requiring straightening. Delivery completed in 19 days, meeting our warehouse schedule. Pricing approximately 15% below Singapore market rates. Sample testing confirmed adequate corrosion resistance for typical marine applications. Packaging could be improved as some protective paper was damaged during shipping, but no material damage occurred.

Carlos Silva

Brazil

verified purchases

2025-10-21

Perfect Material for Petrochemical Expansion
This is our third purchase of 2205 duplex plate for petrochemical facility expansion. Latest order of 18 tons included mixed thicknesses: 8mm, 10mm, and 15mm plates, all 2000mm width. Every shipment has maintained consistent quality with PREN values between 35.8-36.5. Solution annealing at 1050°C confirmed by grain structure examination. Dimensional tolerances per ASTM A480 verified on 100% of plates. Factory-direct pricing saved approximately 18% compared to Brazilian distributors. Metallurgical consultation service helped resolve post-weld heat treatment questions. Strongly recommend for critical corrosion-resistant applications in oil and gas sector.

William Taylor

Australia

verified purchases

2025-11-08

Reliable S32206 Plates for Shipbuilding Project
Ordered 9.5 tons of UNS S32206 grade in 12mm thickness, 1500mm width for naval vessel construction. Material met all Australian Standards requirements with tensile strength of 695 MPa and ferrite content at 48%. Waterjet cutting service provided accurate complex geometries within ±0.5mm tolerance as specified. Delivery completed in 24 days. Pricing competitive compared to local distributors, though shipping costs from China added 8% to total. Would prefer slightly faster communication response times during order processing, but material quality fully satisfied our stringent marine specifications.

Ahmed Al-Hassan

UAE

verified purchases

2025-11-25

Outstanding Service for NACE-Compliant Material
Purchased 15 tons of 2205 duplex plate certified to NACE MR0175/ISO 15156 for sour gas service application in 6mm and 10mm thicknesses. Sales team responded within 8 hours with detailed quotation including PMI testing protocols. All material arrived with comprehensive documentation: mill certificates, third-party inspection reports, and PMI verification for every plate. Express processing delivered material in 16 days versus standard 25-day lead time. Technical support helped optimize our welding parameters, reducing fabrication time by 20%. Exceptional professional service throughout entire procurement process.

Hans Mueller

Germany

verified purchases

2025-12-08

Good Value 2205 Duplex for Chemical Reactors
Ordered 5 tons of 2205 duplex plate in 8mm thickness for chemical reactor construction. Pricing was 12% lower than three other European suppliers we contacted. Material certificates showed compliant chemistry with 5.2% nickel and 2.9% molybdenum. Delivery took 22 days, slightly longer than quoted 20 days, but acceptable for project timeline. Plasma cutting service provided clean edges within ±2.5mm tolerance. Minor surface scratches on two plates required additional grinding, but supplier promptly offered 3% credit adjustment. Overall solid quality for the price point.

Michael Johnson

United States

verified purchases

2025-12-23

Superior Quality S32205 for Desalination Equipment
We purchased 8.5 tons of UNS S32205 plate (12mm thick, solution-annealed condition) for desalination plant heat exchangers. Mechanical testing confirmed 485 MPa yield strength and 28% elongation, exceeding minimum requirements. Charpy impact values at -40°C averaged 68J across all test specimens. Surface finish was consistent 2B grade with Ra measurements below 1.5μm. Technical team provided valuable consultation on welding procedures and stress relieving at 350°C. This is our fourth order in 18 months. Material consistently outperforms standard 316L in chloride environments.

James Wilson

United Kingdom

verified purchases

2026-01-07

Excellent 2205 Duplex Plates for North Sea Platform
Ordered 12 tons of 2205 duplex stainless steel plate in 10mm thickness, 2000mm width for our North Sea offshore platform refurbishment. Chemical analysis showed 22.1% chromium and 0.16% nitrogen, perfectly within ASTM A240 specifications. PREN value of 36.2 confirmed superior pitting resistance. EN 10204 Type 3.1 certificates included ultrasonic testing results showing zero defects. Delivered in 18 days despite custom width requirements. Material performed excellently during fabrication with no cracking issues during welding per AWS D1.6 procedures.