YUHONG HOLDING GROUP CO., LTD
| Process | Cold Drawn |
| Production Name | Nickel Alloy Seamless Tube |
| Standard | ASTM B163, ASME SB163 |
| Material | Nickel 201 , UNS N02201 |
| WT | BWG 25, 22, 20, 18 ... 10 |
| Application | Boiler, Heat Exchanger, Oil and Gas Plant, Cooling, Condenser |
| Payment Terms | L/C,T/T |
| Delivery Time | 7days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Tube End | Plain End, Beveled End |
| Length | Single Random, Double Random & Cut Length |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. |
| High Light | ASTM B163 UNS N02201 Nickel Alloy Seamless Tube, Nickel All0y 201 Heat Exchanger Tube |
| Brand Name | YUHONG |
| Model Number | ASTM B163 UNS N02201 Nickel Alloy Seamless Tube |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Process | Cold Drawn | Production Name | Nickel Alloy Seamless Tube |
| Standard | ASTM B163, ASME SB163 | Material | Nickel 201 , UNS N02201 |
| WT | BWG 25, 22, 20, 18 ... 10 | Application | Boiler, Heat Exchanger, Oil and Gas Plant, Cooling, Condenser |
| Payment Terms | L/C,T/T | Delivery Time | 7days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Tube End | Plain End, Beveled End |
| Length | Single Random, Double Random & Cut Length | OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. |
| High Light | ASTM B163 UNS N02201 Nickel Alloy Seamless Tube, Nickel All0y 201 Heat Exchanger Tube | Brand Name | YUHONG |
| Model Number | ASTM B163 UNS N02201 Nickel Alloy Seamless Tube | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | ASME SB163 nickel alloy seamless tube ，UNS N02201 heat exchanger tube ，nickel alloy steel heat exchanger tube | ||
ASTM B163 / ASME SB163 UNS N02201 / Nickel Alloy 201 Tube Seamless Heat Exchanger Tube
ASME SB163 UNS N02201 is a standard specification for seamless nickel alloy tubes made from commercially pure, low-carbon nickel (Grade 201). Excellent resistance to caustic alkalies (e.g., sodium hydroxide), dry chlorine, and many reducing acids. It is highly resistant to stress-corrosion cracking in chloride environments. Specifically, these tubes are manufactured in accordance with the ASME Boiler and Pressure Vessel Code (Section II, Part B) and are primarily designed for use in heat exchangers, condensers, and similar high-temperature or corrosive fluid-transfer equipment.
Equivalent Grade of Nickel 201 / UNS N02201 Nickel Alloy
| ASTM/ASME | Werkstoff Nr. | DIN | BS | JIS |
| UNS N02201 | 2.4068 | 2.4061 | NA12 | NW 2201 |
Chemical Coposition % of ASTM B163 UNS N02201 Nickel Alloy Heat Exchanger Tube
| NI | FE | C | MN | SI | CU | MG | TI | S |
| 99.0 min | 0.4 max | 0.02 max | 0.35 max | 0.2 max | 0.25 max | 0.15 max | 0.1 max | 0.01 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.9 g/cm3 | 1446 °C (2635 °F) | Psi – 67000 , MPa – 462 | Psi – 21500 , MPa – 148 | 45 % |
Excellent Corrosion Resistance: Resists corrosion by neutral/alkaline salts, caustic alkalis, dry halogen gases (especially fluorine & hydrogen fluoride), and food processing environments.
High Thermal Conductivity: Good for heat transfer, but its real value is maintaining this conductivity in corrosive environments where copper or steel would fail.
Ductility & Formability: Very ductile and malleable in the annealed condition, allowing for tube expansion, bending, and forming.
Comparison & Selection Rationale vs. Common Alternatives
| Material | Key Advantage vs. Nickel 201 | Key Disadvantage vs. Nickel 201 |
|---|---|---|
| Stainless Steel 316L | Higher strength, lower cost. | Prone to chloride stress corrosion cracking (SCC). Contaminates ultra-pure processes. |
| Alloy 400 (Monel) | Much higher strength, excellent in seawater/HF acid. | Higher cost, can suffer graphitization in high-temp service (though less prone than Ni 200). |
| Alloy 600/600H | Superior oxidation resistance, high strength, resistant to chloride SCC. | Higher cost, not as resistant to caustic cracking as low-carbon Ni 201. |
| Titanium Gr 2 | Excellent in chlorides, very strong, lightweight. | Catastrophically fails in dry fluorine, poor in reducing acids, high cost. |
Selection Driver: Choose Nickel 201 seamless tube when the primary needs are:
1) Metallurgical stability above 315°C,
2) Resistance to caustic or fluorine environments, and
3) Ultra-high product purity. It is a material chosen not for its strength, but for its predictable, durable inertness under specific, demanding conditions.
Application
Chemical Processing: Heat exchangers, evaporators, and transfer piping handling caustic soda (NaOH) and other highly alkaline media.
Food Processing: Food handling and synthetic fiber production due to its purity and non-contaminating nature.
Aerospace & Electronics: Electronic components, leads, and spark plugs.
Petrochemical: Hydrofluoric acid alkylation units and chlorinated hydrocarbon service.
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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