YUHONG HOLDING GROUP CO., LTD
| Payment Terms | T/T, L/C AT SIGHT |
| Supply Ability | 1000 TONS / month |
| Delivery Time | Depends on order quantity |
| Packaging Details | Steel frame wooden case with plastic cap |
| Material | ASTM A179 |
| Bend Radius | Usually ≥ 1.5× OD (to avoid thinning/cracking) |
| Method | Cold bending |
| Post-Bend Inspection | Non-destructive testing (e.g., hydrotesting, eddy current) required |
| Brand Name | YUHONG |
| Model Number | A179 Cold Bend Tube |
| Certification | ISO 9001/TUV/PED |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C AT SIGHT | Supply Ability | 1000 TONS / month |
| Delivery Time | Depends on order quantity | Packaging Details | Steel frame wooden case with plastic cap |
| Material | ASTM A179 | Bend Radius | Usually ≥ 1.5× OD (to avoid thinning/cracking) |
| Method | Cold bending | Post-Bend Inspection | Non-destructive testing (e.g., hydrotesting, eddy current) required |
| Brand Name | YUHONG | Model Number | A179 Cold Bend Tube |
| Certification | ISO 9001/TUV/PED | Place of Origin | China |
| High Light | A179 Cold Bend Pipe ，A179 Boiler Superheater Tubes ，Seamless Boiler Superheater Tubes | ||
Overview of A179 Cold Bend Tube
ASTM A179 Cold Bend Tube is a seamless, cold-drawn carbon steel tube specifically designed for heat transfer applications such as low-pressure superheaters, boilers, and heat exchangers. Its fine grain structure, uniform wall thickness, and smooth inner surface ensure excellent thermal conductivity and reliable performance. The tube's cold-bending capability allows for complex routing in compact boiler systems, making it ideal for U-bends and coil assemblies in low-pressure steam applications.
Key Features
Seamless construction ensures high pressure integrity and leak-free performance.
Cold-drawn process provides improved dimensional accuracy and surface finish.
Excellent bendability, allowing complex shapes without cracking or wall thinning.
Ideal for tight-radius bends in compact boiler and heat exchanger designs.
Designed for low to medium pressure steam systems.
Bending Specifications
Bend radius: Typically ≥ 1.5–2× OD
Bend types: U-bend, return bend, serpentine
Ovality and thinning controlled by mandrel or rotary draw bending
Post-bend testing: Hydrotest, eddy current, or ultrasonic inspection
Considerations
Wall Thickness Reduction: Bending can thin the outer radius — minimum wall thickness must be checked.
Stress Concentration: Excessive bending can introduce stress points — stress relieving may be needed.
Bend Quality: Mandrel support during bending helps maintain ovality and inner surface integrity.
Why Bending is Important
Space Efficiency: Allows compact layout in confined boiler shells or pressure vessels.
Improved Flow Paths: Custom bends help guide steam/water flow optimally.
Enhanced Heat Transfer: Increased surface area exposure from U-bends or serpentine shapes.
Applications of A179 Cold Bend Tube
Low-pressure steam superheaters
Boiler tube bundles
U-bend heat exchanger tubes
Economizers and condensers
Marine and industrial steam systems
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. ... Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. ...
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