YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 60 Days |
| Packaging Details | Ply-Wooden Case & Woven Bag |
| Material | ALLOY C22 |
| Standard | ASTM B622 , ASME SB622 |
| Ends | PE , BE |
| Testing | UT, ET, HT, PMI |
| Size | OD : 6mm~ 50.8mm , WT: 0.5mm~ 15mm, L: Max:34m/pc |
| Application | Heat Exchanger, Cooling , Heating, Condenser, Tube Bundle |
| Brand Name | YUHONG |
| Model Number | Seamless Tube |
| 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 - 60 Days | Packaging Details | Ply-Wooden Case & Woven Bag |
| Material | ALLOY C22 | Standard | ASTM B622 , ASME SB622 |
| Ends | PE , BE | Testing | UT, ET, HT, PMI |
| Size | OD : 6mm~ 50.8mm , WT: 0.5mm~ 15mm, L: Max:34m/pc | Application | Heat Exchanger, Cooling , Heating, Condenser, Tube Bundle |
| Brand Name | YUHONG | Model Number | Seamless Tube |
| 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 | ASTM B622 ALLOY C22 Tube ，Air Cooler Heat Exchanger Tube | ||
ASTM B622 ALLOY C22 Nickel Alloy Steel Heat Exchanger Tube , Air Cooler
ASTM B622 is a standard specification for seamless nickel and nickel alloy pipes and tubes designed for corrosive service environments. Alloy C22 (UNS N06022), commonly known as Hastelloy C-22, is a nickel-chromium-molybdenum-tungsten alloy renowned for exceptional corrosion resistance. It is specifically engineered for heat exchangers operating in aggressive chemical and high-temperature environments.
Material Composition:
Alloy C22’s composition is optimized for performance in oxidizing and reducing media:
Nickel (Ni): ~56% (base element for ductility and corrosion resistance).
Chromium (Cr): 20–22.5% (enhances oxidation resistance).
Molybdenum (Mo): 12.5–14.5% (resists reducing acids and pitting).
Tungsten (W): 2.5–3.5% (synergizes with Mo for localized corrosion resistance).
Iron (Fe): 2–6%, Cobalt (Co): ≤2.5% (trace elements).
Carbon (C), Manganese (Mn), Silicon (Si), Sulfur (S), Phosphorus (P), Vanadium (V): Minimized to enhance weldability and reduce intermetallic phase formation.
Physical and Mechanical Properties:
Tensile Strength: ~100 ksi (690 MPa).
Yield Strength: ~45 ksi (310 MPa).
Elongation: ~45% (excellent ductility).
Thermal Conductivity: 9.8 W/m·K (at 100°C).
Coefficient of Thermal Expansion: 12.2 μm/m·K (20–100°C).
Density: 8.69 g/cm³.
Non-Magnetic: Suitable for sensitive applications.
Application:
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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