Yuhong Group Co.,Ltd
| TYPE | SEAMLESS,WELDED |
| Payment Terms | L/C, T/T |
| Delivery Time | 7DAYS |
| WT | Sch10s To XXS |
| Packaging Details | PLYWOOD CASE,BUNDLE,PALLET |
| OD | 1/2" TO 48" |
| NAME | 180°ELBOW |
| Model Number | ASTM A815 S31803 S32205 S32750 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
| Brand Name | YUHONG |
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Product Specification
| TYPE | SEAMLESS,WELDED | Payment Terms | L/C, T/T |
| Delivery Time | 7DAYS | WT | Sch10s To XXS |
| Packaging Details | PLYWOOD CASE,BUNDLE,PALLET | OD | 1/2" TO 48" |
| NAME | 180°ELBOW | Model Number | ASTM A815 S31803 S32205 S32750 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| Brand Name | YUHONG | ||
| High Light | stainless steel butt weld fitting ，180° U bend long radius ，A815 S32205 steel fitting | ||
STAINLESS STEEL BUTT WELD FITTING 180° U BEND A815 S32205 LONG RADIUS
The ASTM A815 S32205 180-degree U-bend is a specialized pipe fitting used to reverse the flow direction in high-performance industrial piping systems. Its primary use is in critical, demanding applications requiring exceptional strength and corrosion resistance.
Key Industrial Applications
Based on the product specifications, this fitting is commonly found in the following industries and equipment :
Heat Exchangers and Boilers: This is the most prominent application. The U-shape allows the pipe to pass through a tube sheet, creating a compact, two-pass design that is efficient for heat transfer.
Oil and Gas Industry: Used in refineries, pipelines, and offshore platforms where high pressure and corrosive fluids are common.
Chemical and Petrochemical Plants: Ideal for transporting aggressive chemicals due to its superior corrosion resistance.
Power Generation: Found in nuclear power plants and other power generation facilities.
Other Processing Industries: Used in pulp and paper mills, food processing, and water treatment systems.
Why Use This Specific Material and Shape?
The combination of the 180-degree bend and the S32205 duplex stainless steel makes this fitting ideal for harsh environments due to two key factors:
1. Material Properties: Duplex Steel S32205
This material, also known as Duplex 2205, offers a unique combination of benefits :
High Strength: Its yield strength is roughly double that of standard austenitic stainless steel, allowing it to withstand very high pressures .
Excellent Corrosion Resistance: It has strong resistance to pitting, crevice corrosion, and stress corrosion cracking, especially from chlorides and sulfides . This makes it suitable for marine environments, chemical processing, and applications involving sour service (hydrogen sulfide), as it complies with NACE MR0175 standards .
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo | N |
| max | max | max | max | max | |||||
| UNS S32750 | 0.03 | 0.8 | 1.2 | 0.03 | 0.015 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 |
| UNS S31803 | 0.03 | 1 | 2 | 0.02 | 0.02 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
2. The 180-Degree U-Shape
The design provides a practical and reliable way to change a pipe's direction by 180 degrees . Compared to using two 90-degree elbows and a straight pipe section, a single U-bend is more compact, creates fewer potential leak points, and results in lower pressure drop .
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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