Super Duplex Steel Flanges Manufacturer and Supplier In Bedok, Singapore
Kyoga Flanges, located in Bedok, Singapore, is a trusted manufacturer and supplier of Super Duplex Steel Flanges, designed to perform where ordinary materials fail. Engineered for extreme corrosion resistance and high strength, these flanges excel in aggressive chemical, seawater, and high-pressure environments. With precise machining, leak-proof weldability, and exceptional durability, Kyoga’s flanges ensure reliability in critical industrial systems. They are the preferred solution for industries where safety, longevity, and performance are non-negotiable, including oil and gas, petrochemical, desalination, and offshore infrastructure.
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Super Duplex Steel flanges primarily comprise about 24–26% chromium, 6–8% nickel, 3–5% molybdenum and nitrogen, manganese and trace elements enhancing corrosion resistance. Super Duplex Steel flanges have the benefits of both austenitic and ferritic stainless steels and are stronger and tougher. They typically have a tensile strength of 700–800 MPa and yield strength of about 500–600 MPa Super Duplex flanges exhibit excellent resistance to pitting crevice corrosion and stress corrosion cracking and are best applied in severe conditions such as offshore chemical processing and high-pressure piping systems.
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Super Duplex Steel Flanges Supplier in Bedok, Super Duplex Steel Flanges Exporter in Jurong West, Super Duplex Steel Manufacturer in Sengkang, Super Duplex Steel Flanges Price List in Bedok, Super Duplex Steel Flanges Distributor in Yishun, Super Duplex Steel Flanges in Woodlands, Duplex Flanges Supplier in Sengkang, Super Duplex Steel Flanges Distributor in Bedok, Sizes in mm
Super Duplex Steel Specification
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/8″ NB TO 24″ NB |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | : | S32750 / S32760 / S32950 |
Largest Super Duplex Steel Supplier in Bedok, Singapore
Kyoga Flanges, a leading supplier in Bedok, Bedok, offers an extensive selection of Super Duplex Steel Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Contact us to get a quick quote for your requirement.
We offer These Flanges as per DIN, ISO, JIS or ANSI Standard.
Super Duplex Steel Flanges Chemical Composition
| % | ASTM A182 Super Duplex UNS S32750 And UNS 32760 Flanges |
| C | 0.03 maximum |
| Mn | 1.5 |
| Mo | 3.0-5.0 |
| Ni | 5.5-8.0 |
| N | 0.2-0.35 |
| Si | 0.8 |
| P | 0.035 |
| S | 0.02 |
| Cr | 24-26 |
| Cu | 0.5-3.0 |
Super Duplex Steel Flanges Mechanical Properties
| Tensile Strength (in MPa) | 770 |
| A5 Elongation (in %) | 25 |
| Proof Stress 0.2% (in MPa) | 550 |
Super Duplex Steel flanges have widespread use in industries requiring high strength corrosion resistance and durability in aggressive environments. They are ideal for offshore oil and gas platforms subsea pipelines and desalination plants due to their resistance to seawater and chloride-induced corrosion. Super Duplex Steel flanges also have extensive application in chemical processing, heat exchangers, pressure vessels, and power generation systems. In marine, pulp and paper, and environmental engineering applications, Super Duplex flanges ensure long-term performance under high pressure and temperature. Their higher mechanical properties guarantee that they will be a reliable choice for demanding applications involving safety and structural integrity.
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Types of Super Duplex Steel Flanges
Super Duplex Steel Flanges Dimensions
| Normal Pipe Size | Flanges Diameter (‘O’) | Diameter of (B.C.) ‘A’ | Diameter of (B.H.) ‘D’ | Holes Number | Flanges Wall Thickness ‘C’ | Diameter (Flanges) at Weld Bevel | (Flanges) Diameter of Hub ‘E’ | Length Of Through Hub | Bore (‘B’) | Diameter of (RF) R | Depth of Socket Weld F | Threading Length | ||||
| SORF/ SWRF (Y) | WNRF (Y) | Lap Joit (Y) | SORF/ SWRF (B) | Lap Joit (B) | ||||||||||||
| 1/2” | 15 | 95.2 | 66.7 | 15.9 | 4 | 14.3 | 21.3 | 38.1 | 22.2 | 52.4 | 22.2 | 22.3 | 22.9 | 34.9 | 9.5 | 15.9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/4” | 20 | 117.5 | 82.5 | 19.0 | 4 | 15.9 | 26.7 | 47.6 | 25.4 | 57.1 | 25.4 | 27.7 | 28.2 | 42.9 | 11.1 | 15.9 |
| 1” | 25 | 123.8 | 88.9 | 19.0 | 4 | 17.5 | 33.5 | 54.0 | 27.0 | 61.9 | 27.0 | 34.5 | 35.0 | 50.8 | 12.7 | 17.5 |
| 1 | 32 | 133.3 | 98.4 | 19.0 | 4 | 20.6 | 42.2 | 63.5 | 28.6 | 66.7 | 28.6 | 43.2 | 43.7 | 63.5 | 14.3 | 20.6 |
| 1 | 40 | 155.6 | 114.3 | 22.2 | 4 | 22.2 | 48.3 | 69.8 | 31.7 | 69.8 | 31.7 | 49.5 | 50.0 | 73.0 | 15.9 | 22.2 |
| 2” | 50 | 165.1 | 127.0 | 19.0 | 8 | 25.4 | 60.4 | 84.1 | 36.5 | 73.0 | 36.5 | 62.0 | 62.5 | 92.1 | 17.5 | 25.4 |
| 2 | 65 | 190.5 | 149.2 | 22.2 | 8 | 28.6 | 73.1 | 100.0 | 41.3 | 79.4 | 41.3 | 74.7 | 75.4 | 104.8 | 19.0 | 28.6 |
| 3” | 80 | 209.5 | 168.3 | 22.2 | 8 | 31.8 | 88.9 | 117.5 | 46.0 | 82.5 | 46.0 | 90.7 | 91.4 | 127.0 | – | 30.2 |
| 3 | 90 | 228.5 | 184.2 | 22.2 | 8 | 34.9 | 101.6 | 133.4 | 49.3 | 85.7 | 49.3 | 103.4 | 104.1 | 140.0 | – | 31.7 |
| 4” | 100 | 273.0 | 215.9 | 25.4 | 8 | 38.1 | 114.3 | 152.4 | 54.0 | 101.6 | 54.0 | 116.1 | 116.8 | 157.2 | – | 33.3 |
| 5” | 125 | 330.2 | 266.7 | 28.6 | 8 | 44.4 | 141.2 | 188.9 | 60.3 | 114.3 | 60.3 | 143.8 | 144.5 | 185.7 | – | 36.5 |
| 6” | 150 | 355.6 | 292.1 | 28.6 | 12 | 47.6 | 168.4 | 222.2 | 66.7 | 117.5 | 66.7 | 170.7 | 171.4 | 215.9 | – | 39.7 |
| 8” | 200 | 419.1 | 349.2 | 31.7 | 12 | 55.6 | 219.2 | 273.0 | 76.2 | 133.3 | 76.2 | 221.5 | 222.2 | 269.9 | – | 44.4 |
| 10” | 250 | 508.0 | 431.8 | 34.9 | 16 | 63.5 | 273.0 | 342.9 | 85.7 | 152.4 | 111.2 | 276.3 | 277.4 | 323.8 | – | 49.2 |
| 12” | 300 | 558.8 | 488.9 | 34.9 | 20 | 66.7 | 323.8 | 400.0 | 92.1 | 155.6 | 117.3 | 327.1 | 328.2 | 381.0 | – | 55.6 |
| 14” | 350 | 603.2 | 527.0 | 38.1 | 20 | 69.9 | 355.6 | 431.8 | 93.7 | 165.1 | 127.0 | 359.1 | 360.2 | 412.7 | – | 57.1 |
| 16” | 400 | 685.8 | 603.2 | 41.3 | 20 | 76.2 | 406.4 | 495.3 | 106.4 | 177.8 | 139.7 | 410.5 | 411.2 | 469.9 | – | 63.5 |
| 18” | 450 | 742.9 | 654.0 | 44.4 | 24 | 82.6 | 457.2 | 546.1 | 117.5 | 184.1 | 152.4 | 461.8 | 462.3 | 533.4 | – | 68.3 |
| 20” | 500 | 812.8 | 723.9 | 44.4 | 24 | 88.9 | 508.0 | 609.6 | 127.0 | 190.5 | 165.1 | 513.1 | 514.3 | 584.2 | – | 73.0 |
| 24” | 600 | 939.8 | 838.2 | 50.8 | 24 | 101.6 | 609.6 | 717.5 | 139.7 | 203.2 | 184.1 | 615.9 | 615.9 | 692.1 | – | 82.5 |
Are Custom Sizes Available for Super Duplex Steel Flanges?
Yes, we offer custom sizes for Super Duplex Steel Flanges to meet specific project needs. Our team at Kyoga Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@www.kyogaflanges.com.
Material Testing
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
- Eddy Current Examining
- Positive Material Recognition
- Pitting Protection Test
- Hydrostatic Analysis
- Power Generation Industries
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Application Industry of Super Duplex Steel Flanges
- Oil and gas industry
- Transporting materials
- Pulp and paper industry
- Power plants
- Energy industries
- Modern architecture
- Fluid piping
- Dairy and food processing
- Heat exchanger
- Textile machinery
- Water waste projects
- Synthetic fiber
- Exhaust gas and Exhaust air
- Construction
- Automotive industry
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