Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Delivery Time | 7 DAYS |
| Packaging Details | Ply-wooden Case/Pallet |
| Product Name | Duplex Steel Flange |
| Standard | ASTM A182 / ASME SA182 |
| Material | F51 UNS S31803 |
| O.D. | 1/2" to 48" |
| W.T. | SCH10, SCH20 ... SCH160, XXS |
| Class | 150#, 300#, 400#, 600#, 900#, 1500#, 2500# |
| Type | WN, SO, BL, SW, LWN |
| Face | RF, FF, RTJ |
| Application | Petroleum,chemical,etc,fittings And Connection,beer |
| High Light | ASTM A182 F51 WNRF Duplex Steel Flange, UNS S31803 WNRF Flange |
| 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 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,T/T | Delivery Time | 7 DAYS |
| Packaging Details | Ply-wooden Case/Pallet | Product Name | Duplex Steel Flange |
| Standard | ASTM A182 / ASME SA182 | Material | F51 UNS S31803 |
| O.D. | 1/2" to 48" | W.T. | SCH10, SCH20 ... SCH160, XXS |
| Class | 150#, 300#, 400#, 600#, 900#, 1500#, 2500# | Type | WN, SO, BL, SW, LWN |
| Face | RF, FF, RTJ | Application | Petroleum,chemical,etc,fittings And Connection,beer |
| High Light | ASTM A182 F51 WNRF Duplex Steel Flange, UNS S31803 WNRF Flange | 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 |
| Place of Origin | CHINA | ||
| High Light | UNS S31803 Weld Neck Flange ，Duplex 2205 Weld Neck Flange ，ASTM A182 F51 Weld Neck Flange | ||
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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