Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 800 Tons/ Month |
| Delivery Time | 15-20 Days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASME SB163 |
| Material Grade | N04400 (UNS N04400) |
| Material | Nickel Copper Alloy |
| Product Type | Seamless Tube |
| Application | Marine Engineering, Chemical Equipment |
| Size Range | OD 1/8" to 4" |
| Brand Name | YUHONG |
| Model Number | ASME SB163 N04400 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 800 Tons/ Month |
| Delivery Time | 15-20 Days | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASME SB163 | Material Grade | N04400 (UNS N04400) |
| Material | Nickel Copper Alloy | Product Type | Seamless Tube |
| Application | Marine Engineering, Chemical Equipment | Size Range | OD 1/8" to 4" |
| Brand Name | YUHONG | Model Number | ASME SB163 N04400 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | Nickel Copper Alloy Seamless Tube ，UNS N04400 Nickel Tube ，Marine Corrosion Resistant Tube | ||
ASME SB163 N04400 Nickel Copper Alloy Seamless Tube Excellent Corrosion Resistance for Marine & Chemical Applications
YUHONG Group: Your Trusted Partner in High-Performance Alloy Tubes
With over 35 years of industrial expertise and a global presence across 85 countries, YUHONG Group specialises in manufacturing precision-engineered alloy tubes for critical applications. Our ASME SB163 N04400 Nickel-Copper Alloy Seamless Tubes are designed to excel in harsh marine and chemical environments, combining exceptional corrosion resistance with robust mechanical performance. Backed by international certifications and stringent quality control, we deliver reliable solutions for heat exchangers, offshore platforms, and chemical processing systems worldwide.
Chemical Composition of UNS N04400
| Element | Requirement (%) | Notes |
| Nickel (Ni) | 63.0 min B | Includes Cobalt |
| Copper (Cu) | 28.0 - 34.0 | Principal alloying element |
| Iron (Fe) | 2.5 max | |
| Manganese (Mn) | 2.0 max | |
| Carbon (C) | 0.3 max | |
| Silicon (Si) | 0.5 max | |
| Sulfur (S) | 0.024 max |
Specifications for Nickel-Copper Alloy UNS N04400
| Parameter | Specification | Source / Notes |
| Alloy Common Name | Monel 400 | Nickel-Copper Alloy |
| UNS Designation | N04400 | |
| Condition (per TABLE 2) | Annealed or Stress-Relieved | Primary temper condition for this alloy |
Mechanical Properties of Nickel-Copper Alloy UNS N04400 (Monel 400) Tubing
| Property | Annealed Condition | Stress-Relieved Condition | Notes / Source |
| Alloy (Common Name) | Monel 400 | Monel 400 | Nickel-Copper Alloy |
| UNS Designation | N04400 | N04400 | |
| Condition | Annealed | Stress-Relieved | |
| Tensile Strength, min | 70 ksi (483 MPa) | 85 ksi (586 MPa) | |
| Yield Strength (0.2% Offset), min | 28 ksi (193 MPa) | 55 ksi (379 MPa) | |
| Elongation in 2 in. or 50 mm, min | 35% | 15% | |
| Hardness (Rockwell) | Not specified | B75 max | Applies to annealed ends |
ASME SB163 N04400 (Monel 400) Seamless Tube Key Application Advantages
1. Exceptional Corrosion Resistance in Demanding Environments
The nickel-copper alloy composition (Ni 63-70%, Cu 28-34%) provides outstanding resistance to corrosion in seawater, salt solutions, and various acidic and alkaline media. It is particularly effective against sulfuric acid, hydrofluoric acid, and phosphoric acid, making it a preferred choice for chemical processing and marine applications where many other materials fail. Its corrosion rate in seawater is remarkably low, typically less than 0.025 mm/year, ensuring long-term durability.
2 . Excellent Mechanical Properties Across a Wide Temperature Range
This alloy maintains high strength and good toughness from cryogenic temperatures as low as -196°C up to approximately 480°C. With a typical annealed condition tensile strength of ≥480 MPa and yield strength of ≥170 MPa, it reliably withstands high-pressure conditions in heat exchangers, condensers, and other pressure components.
3. Good Processability and Weldability
The material offers good hot and cold workability, allowing for the manufacture of seamless tubes with precise dimensions. It can be welded using common techniques like TIG (GTAW) and MIG (GMAW) without requiring post-weld heat treatment, which simplifies fabrication and installation processes.
4. Long-Term Reliability and Cost-Effectiveness
The combination of superior corrosion resistance, mechanical strength, and a long service life significantly reduces maintenance needs, downtime, and replacement frequency in critical systems. This results in lower overall lifecycle costs despite a potentially higher initial investment compared to standard stainless steels.
5. Proven Performance in Critical Global Standards
Manufactured in compliance with ASME SB163 and other major international standards (such as ASTM B163), this seamless tube ensures quality, safety, and interoperability for global projects in oil & gas, power generation, and marine engineering.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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