Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Duplex Steel S31803 Pipe Fittings, which has very good resistance to pitting and stress corrosion cracking. Duplex S31803 Compression Pipe Fittings is an additional member of the Ni – Mo – family of alloys with a special chemistry designed to achieve a level of thermal stability greatly superior to that of B-2 alloy. The improved thermal stability of Duplex S32205 Compression Pipe Fittings minimizes the problems associated with the fabrication of components. Duplex S31803 Ferrule Pipe Fittings finds application under both oxidizing and reducing conditions especially in hot phosphoric acid, sulphuric acid, and as a material of construction for gas scrubbers in flue – gas desulphurization units.
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Further important characteristics of Duplex S32205 Ferrule Pipe Fittings are magnetic and magneto strictive properties and high thermal and electrical conductivity in grades having low gas content. This is due to the reduced tendency to precipitate deleterious intermetallic phases in Duplex S31803 Double Ferrule Pipe Fittings, thereby, providing lower loss of ductility during and following various heat treating operations. Duplex S32205 Double Ferrule Pipe Fittings has low carbon content, which should permit its use in the as – welded condition.
In addition, Duplex S31803 Accessories has improved corrosion resistance to many non – oxidizing acidic environments (Acetic, Formic, and Hydrochloric acids). Furthermore, Duplex S32205 Accessories offers improved resistance to heat zone corrosion attack and to stress corrosion cracking when compared to other alloys.
UNS S31803 / S32205 Pipe Fittings / Accessories Specifications |
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| Specifications | : | ASTM B276 ASME SB276 |
| Size | : | 1/16”OD to 2”OD, 2mm OD to 50mm OD |
| Pressure Rating | : | 6000PSI |
| Threads | : | NPT, BSP, BSPT, UNF, ISO, SAE etc. |
Steel UNS S31803 / S32205 Pipe Fittings Chemical Composition
| S31803 / S32205 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
Duplex UNS S31803 / S32205 Accessories Mechanical Properties
| S31803 / S32205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Equivalent Grades for Duplex Steel UNS S31803 / S32205 Pipe Fittings
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex S31803 | S31803 | 1.4462 |
| Duplex S32205 | S32205 | 1.4462 |
UNS S31803 / S32205 Pipe Fittings / Accessories 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 UNS S31803 / S32205 Pipe Fittings / Accessories 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 Macro Test
• 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 Pipe Fittings
Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Duplex Steel S31803 Pipe Fittings, which has very good resistance to pitting and stress corrosion cracking. Duplex S31803 Compression Pipe Fittings is an additional member of the Ni – Mo – family of alloys with a special chemistry designed to achieve a level of thermal stability greatly superior to that of B-2 alloy. The improved thermal stability of Duplex S32205 Compression Pipe Fittings minimizes the problems associated with the fabrication of components. Duplex S31803 Ferrule Pipe Fittings finds application under both oxidizing and reducing conditions especially in hot phosphoric acid, sulphuric acid, and as a material of construction for gas scrubbers in flue – gas desulphurization units.
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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