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 |
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. &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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