YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C,T/T |
| Supply Ability | Accdording to customer's request |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Nickel Alloy Seamless Tube |
| Specification | ASME SB163 |
| Material | MONEL 400 (UNS N04400) |
| W.T. | MW/ AW |
| Size | Customized |
| Type | Seamless |
| Shape | Straight, U Bend |
| Ends | Plain End, Beveled End |
| Surface | Bright Annealed / Polished |
| Application | Heat Exchanger, Condenser, Evaporator, Pipeline |
| Brand Name | YUHONG |
| Model Number | ASME SB163 MONEL 400 (UNS N04400) |
| Certification | ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | Accdording to customer's request |
| Delivery Time | Depends on quantity | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Nickel Alloy Seamless Tube | Specification | ASME SB163 |
| Material | MONEL 400 (UNS N04400) | W.T. | MW/ AW |
| Size | Customized | Type | Seamless |
| Shape | Straight, U Bend | Ends | Plain End, Beveled End |
| Surface | Bright Annealed / Polished | Application | Heat Exchanger, Condenser, Evaporator, Pipeline |
| Brand Name | YUHONG | Model Number | ASME SB163 MONEL 400 (UNS N04400) |
| Certification | ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | China |
| High Light | ASME SB163 MONEL 400 seamless tube ，Nickel alloy heat exchanger tube ，UNS N04400 condenser tube | ||
ASME SB163 MONEL 400 (UNS N04400) Nickel Alloy Seamless Tube for Heat Exchanger and Condenser
The ASME SB163 MONEL 400 (UNS N04400) is a premium nickel-copper alloy seamless tube specifically engineered for critical heat transfer applications in highly corrosive environments. Manufactured to strict ASME boiler and pressure vessel code standards, this alloy combines 67% nickel and 30% copper to deliver exceptional resistance to seawater, acids (including hydrofluoric and sulfuric), alkalis, and high-temperature steam. Its unique metallurgical structure provides immunity to chloride-ion stress corrosion cracking while offering superior thermal conductivity (21.8 W/m·K) for efficient heat exchange. The product is extensively used in shell-and-tube heat exchangers, condensers, and other pressure vessels where reliability in aggressive media is paramount, particularly in chemical processing, offshore oil & gas, marine engineering, and power generation applications.
Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST |
AFNOR |
EN |
| Monel 400 | 2.436 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
1.Chemical & Mechanical Properties
| ASME SB163 MONEL 400 Chemical Composition (%) | ||||||
|
C |
Mn |
Si |
S |
Cu |
Fe |
Ni |
| ≤0.30 | ≤2.00 | ≤0.50 | ≤0.24 | 28.0-34.0 | ≤2.50 | ≥63.00 |
Mechanical Properties
| Tensile Strength | Yield Strength (0.2% offset) | Elongation | Hardness (Brinell) | Heat treatment |
| 550 MPa (80 ksi) | 240 MPa (35 ksi) | 40% in 50mm | 65-90HRB | 1350℃ (2460℉) |
2. Key Adventages
Excellent seawater resistance - Ideal for desalination, marine and offshore applications
Resists acids/alkalis - Performs well in sulfuric acid, hydrofluoric acid and alkaline environments
Wide temperature range: Maintains properties from -196°C to 480°C
High strength & ductility: Tensile strength ≥480MPa, elongation ≥35%
Multi-standard certified: Complies with ASME SB163, ASTM B163/B165, etc.
Rigorous QC: Includes EN 10204 3.1/3.2 material certificates
High thermal conductivity (21.8 W/m·K) for efficient heat transfer
Custom solutions: U-bending, special sizes & surface finishes available
Extended service life: Corrosion resistance reduces replacement needs
Low maintenance: Resists biofouling, minimizing cleaning costs
3. Key Applications
Offshore platform heat exchange systems: Seawater coolers, crude oil heaters
Gas processing equipment: Amine exchangers, sour gas condensers
Subsea pipeline systems: Heat transfer components for subsea equipment
Strong acid media exchangers: Sulfuric/HF acid production equipment
Chlor-alkali industry: Electrolyzer heat transfer parts
Polymer production: High-temperature monomer condensation systems
Nuclear plants: Steam generator U-tubes, spent fuel cooling systems
Thermal power plants: FGD system heat transfer components
Geothermal power: High-salinity geothermal fluid handling equipment
MED plants: Evaporator tube bundles, brine heaters
RO systems: High-pressure seawater pre-treatment exchangers
Marine systems: Engine coolers, ballast water treatment units
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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