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| Brand Name : | YUHONG |
| Model Number : | ASTM A182 F51 Duplex Steel WNRF Flange |
| Certification : | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Payment Terms : | L/C,T/T |
| Delivery Time : | 7 DAYS |
ASTM A182 F51 / UNS S31803 / Duplex 2205 Weld Neck Flange WNRF Flange
Duplex Steel WNRF (Weld Neck Raised Face) Flange combines the unique properties of duplex stainless steel with a sturdy flange design. Generally, duplex steel flanges used in high-pressure, high-temperature systems or corrosive environments with available types such as blind, slip-on, weld neck, and socket weld.
Advantages of Duplex S31803 Flange:
ASTM A182 F51 Duplex Steel Flange Chemical Composition
| C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 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 |
ASTM A182 F51 Duplex Steel Flange Mechanical Table
| Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
|---|---|---|---|
| 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Other Types of Duplex Steel Flange
| Duplex 2205 Flanges | EN TYPE | DIN |
WN – Welding Neck | EN-TYPE 11 | DIN 2631 |
| DIN 2632 | ||
| DIN 2633 | ||
| DIN 2634 | ||
| DIN 2635 | ||
| BL – Blind | EN-TYPE 05 | DIN 2527 |
| SO – Slip On | EN-TYPE 01/12 | |
LJ – Lap Joint | EN-TYPE 02/04 | DIN 2641 |
| DIN 2642 | ||
| DIN 2655 | ||
| DIN 2656 | ||
| LWN – Long Welding Neck / Integral | EN-TYPE 21 | |
| Welding Collars | EN-TYPE 32/34 | |
| Super Duplex 2507 Flat Flange for Welding | DIN 2573 | |
| DIN 2576 | ||
| SW – Socket Weld | EN-TYPE 14 | |
| THR – Threaded | EN-TYPE 13 | DIN 2566 |
| Super Duplex 2507 Lap Joint Short Stub End | DIN 2673 |
Product Usage & Application

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