Vikram Forge Fittings
Vikram Forge Fittings are one of Leading Manufacturer, Suppliers & Exporter of Duplex Steel UNS S31803 Flanges in India. We offer these in different standard as well as customized specifications to our patrons. Our products are well-known for its consistency, which are very user-friendly and rust-free. Our flanges are precisely engineered to meet diverse demands of our clients.
Specifications :-
| Standards | ASTM, ASME, API, AISI, BS, ANSI, DIN, JIS, MSSP, NACE A240, A276, A479, A789, A790, A182 (Grade F51), A923 |
| DIN Standard | ND-6,10, 16, 25, 40 Etc. |
| Materials | ASTM A182 – F 51 UNS S31803 |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| From | Slip on Flanges – SORF, Weld neck Flanges – WNRF, Socket weld Flanges – SWRF, Blind Flanges – BLRF, Lapped joint Flanges, Screwed Flanges, Long weld neck Flanges, Reducing Flanges, Spectacle Flanges, Ring joint Flanges. |
| Size | 1/2" NB TO 24" NB IN |
| Usage | Water System, Electric Power, Oil Field, Pipe Projects, Natural Gas, Offshore, Shipbuilding etc. |
Duplex Steel Flanges Chemical Composition
| Ni | Min | Max |
| Cr | 4.5 | 6.5 |
| Mo | 22.0 | 23.0 |
| Mn | 3.0 | 3.5 |
| Si | - | 2.0 |
| C | - | 1.0 |
| N | - | 0.03 |
| S | 0.14 | 0.2 |
| P | - | 0.02 |
| Fe | - | 0.03 |
Types Of Duplex Steel UNS S31803 Flanges