YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 90 Days |
| Packaging Details | Ply-Wooden Case + Iron Frame |
| Base Tube Material Grade | P22 |
| Base Tube Material Standard | ASTM A335 , ASME SA335 |
| Type | High Frequency Welding |
| Application | Furnace Tube, Tube Coil , Radiate Tube , Convenction Tube , Fired Heater |
| Fin Type | Serrated Fins |
| Fin Material | Carbon Steel , Stainless Steel , Alloy Steel |
| Brand Name | Yuhong |
| Model Number | High Frequency Welding |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | TT, LC | Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 90 Days | Packaging Details | Ply-Wooden Case + Iron Frame |
| Base Tube Material Grade | P22 | Base Tube Material Standard | ASTM A335 , ASME SA335 |
| Type | High Frequency Welding | Application | Furnace Tube, Tube Coil , Radiate Tube , Convenction Tube , Fired Heater |
| Fin Type | Serrated Fins | Fin Material | Carbon Steel , Stainless Steel , Alloy Steel |
| Brand Name | Yuhong | Model Number | High Frequency Welding |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
| High Light | Cooling Systems Welding Fin Tube ，High Frequency Welding Fin Tube ，ASTM A335 Welding Fin Tube | ||
ASTM A335 P22 High Frequency Welding Fin Tube , Cooling Systems
ASTM A335 P22: The tube is made from P22 steel, a chromium-molybdenum (Cr-Mo) alloy steel that is specifically designed for high-temperature service.ASTM A335 P22 contains approximately 2.25% chromium and 1% molybdenum, which provide enhanced resistance to creep, oxidation, and corrosion at elevated temperatures, making it ideal for use in pressure vessels, steam boilers, and other high-temperature systems.
ASTM A335 is the specification for seamless ferritic alloy-steel pipe used in high-temperature service. P22 is a subset of this standard, typically used in power plants and chemical processing industries where the material must withstand both high temperature and pressure.
Chemical Composition:
| Grade | C | Mn | P | S | Si | Cr | Mo |
| ASTM A335 P22 | 0.05 - 0.15% | 0.30 - 0.60% | Max. 0.025% | Max. 0.025% | 0.50% (Max) | 1.90 - 2.60% | 0.87 - 1.13% |
Mechanical Properties:
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
| ASTM A335 P22 | Min. 415 MPa (60,200 psi) | Min. 205 MPa (29,700 psi) | Min. 35% (in 2 inches) | Max. 250 HB / 25 HRC |
Key Features:
High Thermal Efficiency: The serrated design disrupts the boundary layer, allowing for better heat transfer.
Corrosion Resistance: Depending on the environment, additional coatings or treatments may be applied to improve resistance.
Durability: Designed to withstand harsh operating conditions such as high temperatures, pressures, and corrosive environments.
Applications:
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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