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 | ASTM A335 |
| Material Grade | P22 |
| Form | Rows Bend Tubes |
| Diameter | 12.7 ~ 127 mm (1/2 ~ 5 in) |
| Wall Thickness | 0.9 ~ 12.7 mm (0.035 ~ 0.500 in) |
| Applications | Boilers, heat exchangers, superheaters, HRSG |
| Brand Name | YUHONG |
| Model Number | ASTM A335 P22 |
| 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 | ASTM A335 | Material Grade | P22 |
| Form | Rows Bend Tubes | Diameter | 12.7 ~ 127 mm (1/2 ~ 5 in) |
| Wall Thickness | 0.9 ~ 12.7 mm (0.035 ~ 0.500 in) | Applications | Boilers, heat exchangers, superheaters, HRSG |
| Brand Name | YUHONG | Model Number | ASTM A335 P22 |
| Certification | ISO 9001/TUV/PED | Place of Origin | China |
| High Light | ASTM A335 P22 boiler tubes ，high temperature reheater tubes ，superheater tubes for power plants | ||
| Rows Bend Tube | U-Tube |
| Enables very dense tube arrangement, high heat transfer area density – ideal for large industrial boiler superheaters, reheaters, and similar applications requiring large surface areas. | Limited by the 180° return bend radius; space in the center of the tube bundle is wasted, resulting in reduced heat transfer area. |
| Serpentine (multi-bend) design distributes thermal stress across multiple bends, offering more uniform stress distribution – suitable for frequent start-stop cycles. | Each U-bend expands/contracts independently, effectively eliminating thermal stress – ideal for applications with large temperature differences. |
| More complex process; requires specialized equipment for continuous bending, but reduces the number of connections – cost-effective for large-scale, standardized production. | Simpler single-tube bending process; high equipment versatility – suitable for small-batch or custom production. |
| Open structure with regular tube gaps allows easy physical cleaning (e.g., high-pressure water jetting) – good maintainability. | Internal tube surfaces are difficult to clean mechanically; typically requires chemical cleaning. Replacement of inner tubes is difficult; leaking tubes often must be plugged. |
| Large power station boiler superheaters/reheaters, tubular heaters in large industrial furnaces. | Heat exchangers in chemical and refinery plants, especially where large temperature differences or high pressures exist between shell and tube sides. |
| Chemical Composition (Ladle Analysis) | |
| Element | Composition (wt%) |
| Carbon (C) | 0.05 – 0.15 |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Silicon (Si) | ≤ 0.50 |
| Chromium (Cr) | 1.90 – 2.60 |
| Molybdenum (Mo) |
0.87 – 1.13 |
| Mechanical Properties (as normalized and tempered) | |
| Property | Value (min.) |
| Tensile Strength | ≥ 415 MPa (60 ksi) |
| Yield Strength (0.2% offset) | ≥ 205 MPa (30 ksi) |
| Elongation (longitudinal) | ≥ 30% |
| Elongation (transverse) | ≥ 20% |
| Hardness (Brinell) | ≤ 163 HBW |
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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