Higher Design Strength
ASTM A240 S32205 flat product has a minimum 0.2% proof strength of 450 MPa. Include your design code and thickness with the enquiry.
Global Steel Supply & Processing
ASTM A240/A240M · UNS S32205 / S31803 · EN 1.4462
Source duplex 2205 plate for process vessels, heat-exchanger fabrication and chloride-duty equipment. Share your UNS grade, dimensions, tonnage, testing scope and delivery port for a factory quotation.
Confirm the exact UNS grade, product form, finish and inspection details before placing a bulk order.
| Material | Duplex Stainless Steel 2205, austenitic–ferritic |
|---|---|
| Grade / UNS | S32205 or S31803 — specify the designation on your RFQ |
| Flat-product standard | ASTM A240/A240M-26, or agreed standard edition |
| European reference | EN 1.4462 / EN 10088-2 (EN requirements verified separately) |
| General delivery | ASTM A480/A480M where applicable |
| Condition | Solution-annealed plate; heat treatment per ordered standard |
| Plate surface | No. 1 hot-rolled, annealed and descaled; other finishes by supply form |
| Dimensions | Your specified thickness × width × length and quantity |
| Quality documents | Heat number, MTC, PMI and additional tests as specified |
| Delivery details | Packing requirements, destination port and shipment schedule |
Share the information below to receive a grade-specific quotation.
2205 combines ferritic and austenitic phases. Its chromium, molybdenum and nitrogen content supports high strength and corrosion performance for specified service conditions.
ASTM A240 S32205 flat product has a minimum 0.2% proof strength of 450 MPa. Include your design code and thickness with the enquiry.
Chromium, molybdenum and nitrogen improve resistance to localized corrosion for suitable temperatures and chloride concentrations.
Specify the weld procedure, heat treatment and phase-balance or corrosion testing requirements for fabricated equipment.
Ordering for chloride service? Include medium, concentration and operating temperature in your RFQ.
Both UNS designations are used for duplex 2205. S32205 specifies narrower chromium, molybdenum and nitrogen ranges.
| Element | UNS S32205 | UNS S31803 |
|---|---|---|
| Chromium (Cr) | 22.0–23.0% | 21.0–23.0% |
| Nickel (Ni) | 4.5–6.5% | 4.5–6.5% |
| Molybdenum (Mo) | 3.0–3.5% | 2.5–3.5% |
| Nitrogen (N) | 0.14–0.20% | 0.08–0.20% |
| Carbon (C) | ≤0.030% | ≤0.030% |
| Manganese (Mn) | ≤2.00% | ≤2.00% |
| Silicon (Si) | ≤1.00% | ≤1.00% |
| Phosphorus (P) | ≤0.030% | ≤0.030% |
| Sulfur (S) | ≤0.020% | ≤0.020% |
Published ASTM A240 flat-product grade limits. Your specified standard edition and heat analysis govern final material acceptance.
Minimum values below refer to solution-annealed ASTM A240 flat products. Order according to the required UNS designation.
| ASTM A240 property | S32205 | S31803 |
|---|---|---|
| 0.2% Proof / Yield Strength | 450 MPa min. | 450 MPa min. |
| Tensile Strength | 655 MPa min. | 620 MPa min. |
| Elongation (50 mm gauge) | 25% min. | 25% min. |
| Hardness | 293 HB / 31 HRC max. | 293 HB / 31 HRC max. |
| Nominal Density | 7,820 kg/m³ | 7,820 kg/m³ |
Include the acceptance requirements for your specified plate, especially when the finished component will undergo welding or corrosion service.
EN 1.4462 may have different product-form requirements and minimum values. Match each order to one selected standard system.
Confirm the plate surface, straightness, edge form and handling requirements alongside the grade and size.
Hot-rolled, solution-annealed and descaled flat steel.
Visible plate section for dimensional and edge inspection.
Finish and supply form selected to match your drawing.
Choose the material grade against your actual medium, stress level and temperature. Share those conditions with your plate RFQ.
Vessel components and fabricated chemical process equipment with specified corrosion demands.
Plates and structural components used around chloride-bearing cooling and process systems.
Specified water-processing assemblies, skids and tanks under controlled exposure conditions.
Digesters, bleach processing equipment and corrosion-service fabrication.
Scrubber shells and industrial gas-cleaning assemblies designed for corrosive condensates.
Grade-specified equipment in coastal and chloride-containing industrial environments.
Different alloy families serve different design requirements. Compare chemistry, strength and operating conditions before ordering.
| Grade | Flat-product strength (ASTM min. YS) | Material selection focus | Explore |
|---|---|---|---|
| 316L / S31603 | 170 MPa | Low-carbon austenitic plate for specified welded process equipment | 316L Plate → |
| 2205 / S32205 | 450 MPa | Duplex strength and localized-corrosion resistance for designated duties | Current grade |
| 904L / N08904 | 220 MPa | High-alloy austenitic plate for selected acid-handling equipment | 904L Plate → |
| 2507 / S32750 | 550 MPa | Super duplex alloy for demanding chloride-service designs | 2507 Plate → |
The yield-strength values are representative ASTM flat-product minima. Corrosion suitability depends on medium, operating conditions and component design.
You can consolidate the specified grade, required testing and export schedule into one purchase enquiry.
Our actual annual steel production supports structured purchasing and scheduled order planning.
Company-wide steel stock supports supply organization; check 2205 inventory by grade and dimension.
Order by UNS designation, product standard, heat certificate and any specified corrosion testing.
Align plate size lists, packing, inspection and destination in a single quotation process.
Calculate approximate tonnage from plate dimensions before you submit a production schedule.
Nominal calculation for purchasing estimates. Actual shipment mass follows the agreed weighing basis.
Include drawing details and total tonnage if the order has several thicknesses or cut pieces.
Our team can review your UNS grade, dimensions, mill condition, shipment size and order timing. Current 2205 availability is confirmed for the exact requested specification.
Specify the desired test package at the enquiry stage. Your plate acceptance may include chemical analysis, mechanical properties, alloy identification and relevant corrosion tests.
Your plate purchase list can include cut drawings, edge requirements and shipment instructions.
Request laser cutting for applicable gauges, plasma or waterjet profiling, cut-to-size blanks and drilling. Cutting methods and achievable tolerances are confirmed against the drawings.
Include stacking, edge protection, identification, loading and destination details in the order. We will confirm the packing arrangement for the shipment.
Shipping and processing scope are confirmed by quotation and order specification.
Review other stainless material options and move between product pages with their own technical requirements.
Send the UNS designation, product standard, plate sizes, quantity, surface condition, inspection details and destination port.
S32205 uses tighter chromium, molybdenum and nitrogen ranges. Under ASTM A240, S32205 has a 655 MPa minimum tensile strength compared with 620 MPa for S31803.
Include MTC, PMI, heat traceability and any corrosion or ferrite testing requirements in your purchase specification.
Send your required grade, dimensions, quantity and destination. Our team will review the inquiry.