Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Duplex Steel S31803 Circles. The minimum available content of molybdenum, nitrogen, and chromium has increased in this grade, giving it better strength and the ability to withstand all types of corrosion to the greatest extent. The welding electrode in this contains less nickel, ranging from 4 to 8 percent, compared to other austenitic steel products, producing excellent results and offering incredible value for the money.
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As a result, the Duplex Steel S31803/S32205 Circle is unquestionably a wise substitute for selecting any other type of stainless steel. To ensure that the cut pieces can withstand extreme applications, 2205 Circles are mixed in perfect chemical compositions. Duplex UNS S31803 Circles are used in a variety of industries, including paper machines, pulp, and paper digesters. Duplex UNS S32205 Circles are also used in the manufacture of chemical processing equipment. ASTM A240 Duplex 2205 Circles are commonly used in high chloride and marine environments.
Duplex Steel S31803/S32205 Rings & Circles Specifications |
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| Specifications | : | ASTM A240 / ASME SA240 |
| Dimensions | : | ASTM, ASME and API |
| Thickness | : | 1 Mm To 100 Mm |
| Diameter | : | Upto 2000 Mm |
| Circle Diameter | : | 3″ DIA up to 38″ DIA 1500 lbs max |
| Ring Diameter | : | 3″ OD up to 48″ OD Up to 900 lbs max |
Duplex S31803 chemical composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
Duplex Steel S31803/S32205 Rings & Circles Mechanical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Equivalent Grades for S31803/S32205 Duplex Steel Rings & Circles
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 2205 | 1.4462 | S31803 / S32205 |
Duplex Steel S31803/S32205 Rings & Circles Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
Duplex Steel S31803/S32205 Rings & Circles Test Certificates
We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.
• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc
Material Testing
We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.
• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and MacroTest
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test
Documentation
• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)
Duplex Steel S31803 Circles
Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Duplex Steel S31803 Circles. The minimum available content of molybdenum, nitrogen, and chromium has increased in this grade, giving it better strength and the ability to withstand all types of corrosion to the greatest extent. The welding electrode in this contains less nickel, ranging from 4 to 8 percent, compared to other austenitic steel products, producing excellent results and offering incredible value for the money.
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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