Yuhong Group Co.,Ltd
| Material Grade | SA179 / A179 |
| Manufacturing | Cold Drawn + U Bending |
| Delivery Time | 5-80 Days |
| Tube Form | U Bend |
| Material Type | Low Carbon Steel |
| Dimensions | OD, WT, Length & Bend Radius Customized |
| Payment Terms | L/C, T/T |
| Application | Heat Exchanger & Condenser |
| Supply Ability | 1500tons/month |
| STANDARD | ASME SA179 / ASTM A179 |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Type | Seamless U Tube |
| Model Number | ASTM A213 TP304L |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Brand Name | YUHONG |
| Place of Origin | CHINA |
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Product Specification
| Material Grade | SA179 / A179 | Manufacturing | Cold Drawn + U Bending |
| Delivery Time | 5-80 Days | Tube Form | U Bend |
| Material Type | Low Carbon Steel | Dimensions | OD, WT, Length & Bend Radius Customized |
| Payment Terms | L/C, T/T | Application | Heat Exchanger & Condenser |
| Supply Ability | 1500tons/month | STANDARD | ASME SA179 / ASTM A179 |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Product Type | Seamless U Tube |
| Model Number | ASTM A213 TP304L | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Brand Name | YUHONG | Place of Origin | CHINA |
| High Light | ASME SA179 carbon steel U tube ，ASTM A179 seamless heat exchanger tube ，carbon steel condenser U tube | ||
ASME SA179 ASTM A179 Carbon Steel Seamless U Tube for Heat Exchanger and Condenser
ASME SA179 / ASTM A179 seamless U tube is a low-carbon steel heat exchanger tube manufactured from seamless cold-drawn tubing and subsequently bent into a U-shaped configuration.
The product is designed for shell and tube heat exchangers, condensers, coolers, and similar heat transfer equipment. Compared with straight tubes, the U-shaped design allows thermal expansion to be accommodated through the tube geometry and enables the tube bundle to operate without requiring a separate floating head structure.
The finished U tube is manufactured with controlled outside diameter, wall thickness, straight leg length, bend radius, and leg spacing according to the heat exchanger drawing and applicable specification.
Material Standard: ASME SA179 / ASTM A179
Material Grade: SA179 / A179
Material Type: Low Carbon Steel
Product Type: Seamless U Tube
Manufacturing Process: Cold Drawn Seamless Tube + U Bending
ASTM A179 / ASME SA179 covers seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat-transfer equipment.
The standard defines requirements for chemical composition, mechanical properties, dimensions, heat treatment, and testing applicable to the finished seamless tube.
The straight SA179 seamless tube is bent into the specified U shape according to the equipment design.
Key dimensional parameters include:
The bending dimensions are determined according to the heat exchanger drawing and tube bundle design.
In a U-tube heat exchanger, the curved section of the tube provides geometric flexibility for differential thermal expansion between the tube bundle and shell.
The suitability of the U-bend radius and tube dimensions should be determined according to the operating temperature range, pressure conditions, tube material, and equipment design.
SA179 seamless tubes are produced by cold drawing to obtain the specified tube outside diameter and wall thickness.
The tube is heat treated according to the applicable ASTM A179 / ASME SA179 requirements.
The straight seamless tube is bent into a U shape using controlled bending equipment.
The bend radius and center-to-center dimensions are manufactured according to the heat exchanger drawing.
The U-bend section can be inspected for:
Additional testing can be performed according to project requirements.
| Item | Specification |
|---|---|
| Product Name | ASME SA179 / ASTM A179 Seamless U Tube |
| Material Standard | ASME SA179 / ASTM A179 |
| Material Grade | SA179 / A179 |
| Material Type | Low Carbon Steel |
| Manufacturing | Cold Drawn Seamless Tube + U Bending |
| Tube Form | U Bend |
| Surface | As Required |
| Application | Heat Exchanger and Condenser |
The U tube dimensions are normally customized according to the heat exchanger design.
| Parameter | Specification |
|---|---|
| Outside Diameter | According to Standard or Drawing |
| Wall Thickness | According to Standard or Drawing |
| Straight Leg Length | Customized |
| U-Bend Radius | Customized |
| Leg Center Distance | According to Drawing |
| Overall Length | Customized |
Depending on the project specification, inspection may include:
The actual inspection scope should follow the applicable product specification and purchase order requirements.
SA179 seamless U tubes are commonly used in U-tube shell and tube heat exchangers where carbon steel tubing is specified.
The tubes can also be used in condenser equipment for industrial heat transfer systems.
Applications may include:
The final material selection should be based on the design temperature, pressure, process fluid, water chemistry, and corrosion conditions.
Each production batch can be identified and documented through:
Typical inspection parameters include:
According to customer requirements:
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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