Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 7days |
| Packaging Details | PLYWOOD CASE, PALLET |
| Product Name | Nipolet |
| Standard | ASTM A182, ASME SA182 |
| Dimension | MSS SP-97 , ASME/ANSI B16.11 |
| Material | Super Duplex Steel 2507 / S32750 / 1.4410 / F53 |
| Size | 3/8" to 4" |
| Classs | 3000#,6000#,9000# |
| Technical | Forged |
| High Light | ASTM A182 F53 Sttainless steel Nipolet, MSS SP-97 Nipolet |
| Brand Name | YUHONG |
| Model Number | ASMT A182 F53 Super Duplex Nipolet |
| 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 | 7days |
| Packaging Details | PLYWOOD CASE, PALLET | Product Name | Nipolet |
| Standard | ASTM A182, ASME SA182 | Dimension | MSS SP-97 , ASME/ANSI B16.11 |
| Material | Super Duplex Steel 2507 / S32750 / 1.4410 / F53 | Size | 3/8" to 4" |
| Classs | 3000#,6000#,9000# | Technical | Forged |
| High Light | ASTM A182 F53 Sttainless steel Nipolet, MSS SP-97 Nipolet | Brand Name | YUHONG |
| Model Number | ASMT A182 F53 Super Duplex Nipolet | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | ASTM A182 F53 Super Duplex Nipolet ，Super Duplex Steel 2507 Fitting ，MSS SP-97 Nipolet Fitting | ||
ASTM A182 F53 Super Duplex Steel 2507 / S32750 Nipolet , MSS SP-97 Pipe Fitting
It functions as a hybrid of three components:
Weldolet/Nipolet (for branch integration)
Flange (for bolted connection)
This design eliminates intermediate welds, enhancing structural integrity and leak prevention.
ASTM A182 F53 Super Duplex Pipe Fitting Specification
A Nipolet combines a branch outlet fitting (similar to Weldolet) with a flange, forming an integrated unit for 90° branch connections3.
It functions as a hybrid of three components:
Weldolet/Nipolet (for branch integration)
Flange (for bolted connection)
This design eliminates intermediate welds, enhancing structural integrity and leak prevention.
Chemical Composition of A182 F53 Super Duplex Pipe Fittings
| UNS | C % | Cr % | Ni % | Mo % | N % | Mn % | Cu % | W | S | Si |
|---|---|---|---|---|---|---|---|---|---|---|
| S32750 | < 0.03 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 | < 1.20 | < 0.5 | - | - | - |
| 2507 | < 0.03 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 | < 1.20 | < 0.5 | - | - | - |
| F53 | < 0.03 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 | < 1.20 | < 0.5 | - | - | - |
Mechanical Propertities of A182 F53 Super Duplex Pipe Olet
| Grade | YS (MPa) | TS (MPa) | % Elongation | Hardness(BHN) |
|---|---|---|---|---|
| UNS S32750 | 550 min. | 795 min. | 15 min. | 310 max. |
| 2507 | 550 min. | 795 min. | 15 min. | 310 max. |
| F53 | 550 min. | 795 min. | 15 min. | 310 max. |
Design and Testing of pipe olet
Reinforcement Principle: Forged fittings eliminate the need for external reinforcement by integrating extra material around the branch junction310.
Testing:
No Hydrostatic Testing: Fittings rely on validated design calculations instead of mandatory hydrotests10.
Non-Destructive Examination (NDE): Mandatory radiography/ultrasonic testing for weld integrity3.
Marking Requirements: Each fitting must include:
Manufacturer’s trademark, material grade (e.g., WPHY-52), size (Run NPS × Outlet NPS), and "SP-97"
Applications
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 Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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