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 |
| Standard | ASME SA179 |
| Material Grade | A179 |
| Form | Seamless Tube |
| Diameter | 3.18-152.4mm |
| Wall Thickness | 0.41mm - 25.4mm |
| Applications | Boilers, heat exchangers, superheaters, HRSG |
| Brand Name | YUHONG |
| Model Number | ASME SA179 A179 |
| 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 |
| Standard | ASME SA179 | Material Grade | A179 |
| Form | Seamless Tube | Diameter | 3.18-152.4mm |
| Wall Thickness | 0.41mm - 25.4mm | Applications | Boilers, heat exchangers, superheaters, HRSG |
| Brand Name | YUHONG | Model Number | ASME SA179 A179 |
| Certification | ISO 9001/TUV/PED | Place of Origin | China |
| High Light | ASME SA179 carbon steel heat exchanger tube ，cold drawn steel boiler economizer tube ，industrial heat exchanger tube coil | ||
| Chemical Composition | |
| Element | Composition (wt%) |
| Carbon (C) | 0.06 – 0.18 |
| Manganese (Mn) | 0.27 – 0.63 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Silicon (Si) | ≤ 0.25 |
| Mechanical Properties | |
| Property | Requirement (min.) |
| Tensile Strength | ≥ 325 MPa (47 ksi) |
| Yield Strength (0.5% extension under load) | ≥ 180 MPa (26 ksi) |
| Elongation (in 2 in / 50 mm) | ≥ 35% |
| Hardness (Rockwell B) | ≤ 72 HRB |
Differences between standard U-shaped tubes
| Item | U-Tube | Serpentine Tube Bundle |
| Structure | Symmetric U-bend, fixed to one tube sheet | Continuous multi-bend/coiled, no common tube sheet |
| Application Scenario | Shell-and-tube heat exchangers | Boiler flue gas heating surfaces (economizer/superheater) |
| Key Benefit | Thermal stress relief for shell-and-tube units | Maximized heat transfer area & optimal flue duct fit |
Application:
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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