Duplex Steel Flanges
We are manufacturer of Best quality Duplex Steel Flanges
- Metalfort
- In Stock
Metalfort Inc. is actively engaged in manufacturer, supplying & exporting Duplex Steel S31803 & S32205 Flanges in India. We offer the complete range of Flanges including Slip on, socket weld, blind, lapped, screwed, weld neck, reducing etc. ANSI B16.5 Duplex Blind Flange tends to offer significantly better toughness as well as ductility when compared to Ferritic stainless steel grades. These ASME SA182 Duplex Steel Flanges are available in various size, shapes, specification & thickness as per requirements of our clients. These are widely used in various application industry like Chemical Industry, Oil & Gas, Fertilizer, Engineering Industry etc. Another reason why Duplex Stainless Steel S31803 & S32205 Welded Flange is recommend is because they display very good stress corrosion cracking (SCC) resistance. This is a property the ASME b16.5 Duplex Forged Flange has been inherited from the Ferritic side of the stainless steel. Duplex Steel Flange consists elements such as chromium, molybdenum and nitrogen are considered that offers resistance against chloride pitting and crevice corrosion. Due to a lower nickel and molybdenum content in Duplex stainless steels, as compared to their austenitic counterparts, they tend to offer similar resistance to corrosion.
Specification of Duplex Steel S31803 & S32205 Flange:
| Size | : | 1/8" NB TO 24" NB |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Designation | : | ANSI B 16.5, BS 1560. BS 10, IS 6392, B-2.1 NPT, API, DIN, JIS. MSS SP 44 |
| Grade | : | ASTM A182 / ASME SA182 F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61, UNS S31803, UNS S32205. |
| Class | : | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Flange Face Type | : | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
Duplex Steel Flanges Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 2205 | 1.4462 | S31803 / S32205 |
Chemical Composition of Duplex Steel Pipe Flanges:
| 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 |
Mechanical Properties of ASTM A182 Duplex Steel Plate Flanges:
| 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 |
Types of Duplex Steel Flanges We Stock :
- Duplex Steel Flanges
- Duplex Steel EN 1092-1 Flanges
- Duplex Steel BS 4504 Flanges
- Duplex Steel 2205 Forged Flanges
- Duplex Steel UNS S31803 Flanges
- Duplex Steel S32205 Slip on Flanges
- Duplex Steel Flat Flange Suppliers
- ANSI 2205 Duplex Steel Blind Flange
- Duplex Steel Weld Neck Flange
- Duplex Steel Socket weld Flanges
- Duplex Steel Long Weld Neck Flanges
- Duplex Threaded Flanges
- Duplex Steel Reducing Flanges
- Duplex Steel Ring Type Joint Flange
- Duplex Steel DIN 1.4462 Orifice Flange
- Duplex Steel S32205 Spectacle Blind Flanges
- Duplex Steel UNS S32205 WNRF Flange
- Duplex 2205 SORF Flanges
- ANSI B16.5 Duplex Steel RTJ Flanges
- Duplex Steel Screwed Flanges
- ASTM A182 Duplex Steel Lap Joint Flanges
- ASME SA182 Duplex Steel BLRF Flange
- Duplex Steel Raised Face Flanges
- 2205 Duplex Steel Nipoflange
- A182 Duplex Steel S32205 Square Flanges
- ASME SA182M Duplex Steel S31803 SWRF Flange
- Duplex Steel Tongue & Groove Flanges
- Duplex Steel S31803 Male & Female Flanges
- Duplex Steel S32205 DIN Flanges
- Duplex Steel ASME B16.5 Flanges
Types of Flanges Available:
• Slip-on Raised Face Flanges (SORF)
• Blind Raised Face Flanges (BLRF)
• Weld Neck Raised Face Flanges (WNRF)
• Socket Weld Raised Face Flanges (SWRF)
• Screwed/Threaded Flanges
• Orifice Flanges
• Spectacle Blind Flanges
• Reducing Flanges
• Ring Type Joint Flanges
• Plate Flanges
• Flat Face Flanges
• ANSI / ASME / ASA B16.5 Flanges
• EN 1092-1 Flanges
• DIN Flanges
• BS 10 Flanges
• BS 4504 Flanges
• JIS STD Flanges
Product Ratings & Reviews
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