YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| 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, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 |
| Place of Origin | China , Korea |
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Product Specification
| Payment Terms | L/C, T/T | 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, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 | Place of Origin | China , Korea |
| 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. The factories ... 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. The factories ...
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