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Help CenterHigh Strength Duplex 2205 Hot Rolled Stainless Steel Plate Anti-Acid Marine Engineering Plate
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Wuxi Yansheng Technology Co., Ltd. proudly introduces our premium High Strength Duplex 2205 Hot Rolled Stainless Steel Plate, engineered specifically for anti-acid and marine engineering applications. As a dedicated manufacturer since 2017 with an annual export value exceeding USD 50 million, we combine advanced hot rolling technology with rigorous quality control to deliver plates that excel in demanding environments.
This Duplex 2205 plate offers an outstanding balance of high strength (yield strength up to 450 MPa) and exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides and acids. Whether you are building offshore platforms, desalination plants, or chemical storage tanks, our product provides the durability and longevity required for critical marine and industrial projects.
Our factory in Wuxi, Jiangsu covers 1,000–3,000 square meters and is equipped with modern hot rolling lines, allowing us to supply plates in thicknesses from 3mm to 100mm and widths up to 3000mm. We serve clients across North America, Europe, Southeast Asia, and beyond, with reliable shipping from Tianjin, Shanghai, Qingdao, and Ningbo ports.
Key Product Features & Technical Specifications
Superior Corrosion Resistance: Duplex 2205 provides excellent resistance to acids (sulfuric, hydrochloric) and chloride environments, making it ideal for marine and chemical processing.
High Mechanical Strength: Yield strength 450 MPa (min), tensile strength 620 MPa (min) – nearly double that of standard 316L stainless steel.
Excellent Weldability: Low carbon content and balanced microstructure allow for easy welding without post-weld heat treatment in most cases.
Outstanding Toughness: Maintains impact toughness even at sub-zero temperatures, suitable for offshore structures in cold climates.
Hot Rolled & Pickled Finish: Surface smoothness and oxide layer removal improve corrosion performance and paint adhesion.
Customizable Dimensions: Available in coils or cut-to-length sheets per your engineering drawings.
Typical Mechanical Properties (at room temperature)
| Property | Value |
|---|---|
| Yield Strength (0.2% offset) | ≥ 450 MPa |
| Tensile Strength | ≥ 620 MPa |
| Elongation (in 50mm) | ≥ 25% |
| Hardness (Brinell) | ≤ 290 HB |
| Impact Toughness (Charpy V-notch, -40°C) | ≥ 50 J |
Benefits for Your Applications
Reduced Maintenance Costs: The high corrosion and fatigue resistance extend service life, minimizing downtime and replacement expenses.
Weight Reduction: Higher strength allows thinner sections compared to austenitic grades, saving material and transportation costs.
Compliance with Marine Standards: Meets requirements for shipbuilding, offshore platforms, and coastal infrastructure.
Versatility: Suitable for both new construction and repair projects, with excellent formability for complex shapes.
Trusted Partner for Global Industry
Since 2017, Wuxi Yansheng Technology Co., Ltd. has grown into a recognized manufacturer with an annual export value of US$50–100 million, supported by a team of 101–200 skilled employees. Our production facility is certified under ISO9001, HACCP, and OHSAS18001 management systems, ensuring consistent quality and safety. We ship thousands of tons of stainless steel plates annually to clients across North America, Europe, Southeast Asia, Africa, and Oceania, with convenient port options in Tianjin, Shanghai, Qingdao, and Ningbo.
Our dedicated quality control team conducts ultrasonic testing, mechanical property checks, and dimensional inspections on every batch, so you receive plates that meet the most stringent specifications. We also offer third-party inspection upon request to guarantee compliance.
Choose our Duplex 2205 Hot Rolled Stainless Steel Plate for your next marine engineering or anti-acid project. Contact our sales team today for a quote, technical datasheet, or sample. We are ready to provide customized solutions that drive your success.
Frequently Asked Questions (FAQ)
Q: What is the difference between Duplex 2205 and 316L stainless steel?
A: Duplex 2205 has nearly double the yield strength of 316L and much better resistance to chloride stress corrosion cracking. It also offers higher resistance to pitting and crevice corrosion in acidic environments.Q: Can this plate be used in direct contact with seawater?
A: Yes, Duplex 2205 is widely used in marine applications such as offshore platforms, seawater piping, and heat exchangers due to its excellent resistance to seawater corrosion.Q: What thickness and width options are available?
A: Standard thickness ranges from 3mm to 100mm, and widths from 1000mm to 3000mm. Custom dimensions are available upon request with minimum order quantities.Q: Is the plate suitable for welding without special treatment?
A: Yes, Duplex 2205 exhibits good weldability. Low heat input and appropriate filler metal (e.g., ER2209) are recommended for optimal joint properties. Post-weld heat treatment is generally not required.Q: Does your company provide cutting or machining services?
A: We offer cutting (plasma, laser) and bending services upon request. Our factory can deliver plates in custom sizes to reduce your secondary processing time.Q: What certifications do your products hold?
A: Our manufacturing facility is certified under ISO9001, HACCP, OHSAS18001, and other international standards. Product certificates of compliance and third-party inspection reports can be provided as needed.Q: How do you ensure quality consistency across large batches?
A: We follow a documented quality management system with in-house testing for chemical composition, mechanical properties, and surface quality. Each batch is traceable from raw material to final shipment.Q: What are the typical lead times for this product?
A: For standard sizes and thicknesses, lead time is 10–15 working days after deposit. Custom orders may take 20–30 days depending on quantity and specifications. We can expedite for urgent projects.
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