Flanges are essential components that connect pipes, valves, pumps, and other equipment to form a pipeline or piping system. These components come in different types, sizes, and materials. Duplex Steel is a popular material used in making flanges, specifically its F60/2205/1.4462 variants. These Duplex Steel S32205 Flanges have unique features and benefits, making them a popular choice for various industries.
Duplex Steel F60 Flanges Features:
Duplex Steel F60 is a ferritic-austenitic stainless steel with excellent corrosion resistance and mechanical properties. Its flanges are known for their high strength, durability, and resistance against stress corrosion cracking, pitting, and crevice corrosion. F60 flanges also have low thermal expansion and thermal conductivity, making them ideal for cryogenic and high-temperature applications. Furthermore, these flanges have good weldability and formability, allowing for easy fabrication and installation.
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Duplex Steel 2205 Flanges Corrosion Resistance:
Duplex Steel 2205 is another popular variant of Duplex Steel used for making flanges. It has a higher chromium and molybdenum content than F60, which means stronger corrosion resistance. 2205 flanges have excellent resistance against general and localized corrosion, making them suitable for harsh environments like marine and chemical processing industries. They also resist chloride-induced stress corrosion cracking and erosion-corrosion due to their high yield strength and toughness.
Duplex Steel 1.4462 Flanges Chemical Composition:
Duplex Steel 1.4462 is a European standard for Duplex Steel, sometimes called UNS S31803 or SAF 2205. Its flanges have a chemical composition that balances the austenitic and ferritic phases, resulting in a microstructure that offers the benefits of both phases. 1.4462 flanges have a high content of chromium, molybdenum, and nitrogen, contributing to their superior corrosion resistance, strength, and toughness. These flanges also have low nickel content, making them more cost-effective than other Duplex Steel variants.
Duplex Steel F60 Flanges Physical & Mechanical Properties:
Duplex Steel F60 flanges have impressive physical and mechanical properties. They have a 7.8 g/cm³ density, a melting range of 1400-1460°C, and a specific heat capacity of 480 J/(kg•K). These flanges also have an ultimate tensile strength of 620 MPa, yield strength of 450 MPa, and a hardness of 290 HBW. Their elongation and area reductions are 25% and 45%, respectively. All these properties make F60 flanges perfect for high-stress applications and critical service conditions.
Forging or Forming & Machining
Hole Drilling & Surface Treatment
Quality Control & Marking, Identification
Final Inspection and Packaging
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Flange Size Chart | 1/2" (15 NB) to 48" (1200NB), DN10~DN5000 |
| Pressure Rating | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| JIS | 16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K |
| Flange Connection / Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove, Flange Pipe. |
| Origin | West Europe / Japan / Indian / USA / Korean |
| Types of Flanges | Threaded / Screwed / Forged / Plate |
| Coating | Yellow Transparent, Zinc Plated, Anti-rust Paint, Oil Black Paint, Cold and Hot Dip Galvanized |
| Test Of Flange | Direct-reading Spectrograph, Ultrasonic flaw detector, Magnetic particle detector, X-ray detector, Hydrostatic testing machine. |
| Production technique Used | Heat treated, Forged and Machined |
| Equipment | Press machine, Bending machine, Pushing Machine, Sand-blasting machine, electric bevelling machine etc. |
| Test Certificates | EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc |
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Duplex Steel S32205 Slip On Flanges
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Duplex Stainless Steel S32205 Weld Neck Flanges
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Duplex S32205 Blind Flanges
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S32205 Duplex Steel Socket weld Flanges
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Duplex S32205 Threaded Flanges
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Duplex Steel S32205 Lap Joint Flagnes
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- ANSI B16.36 DSS S32205 Orifice Flange
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- ASME SA182 Duplex Steel S32205 SWRF Flanges
- ANSI B16.5 DSS S32205 WNRF FLange
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- Duplex Stainless Steel Gr.F60 Flanges
- S32205 Duplex Steel JIS B2220 Flange
- Duplex Stainless Steel S32205 Flange
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- Duplex Steel Gr.F60 Plate Flanges
- UNS S32205 Duplex Stainless Steel Flanges
- S32205 Duplex Steel Slip on Flanges
- Duplex S32205 Ring Type Joint Flange
- ASME B16.5 DSS S32205 Screwed Flanges
- Duplex Stainless Steel S32205 Reducing Flanges
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 31803 | 1.4462 | S32205 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32205 | 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 |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
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