Alloy 400，Monel 400 Wire，UNS N04400，EFORU

British Specs:BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA11，American Specs:AMS 4574 Tube AMS 4575 (Tube *) AMS 4675 Bar and Forgings AMS 4730 Wire AMS 4731 Wire and Ribbon AMS 4544 Sheet, Strip and Plate QQ-N-281 ASTM B164，German Specs:

### **Alloy 400 / Monel 400 Wire (UNS N04400) - Product Introduction** **Overview** **Alloy 400** (commercially known as **Monel 400**) is a nickel-copper alloy that demonstrates excellent corrosion resistance and good mechanical properties across various environments. **Monel 400 Wire** is manufactured to precise dimensional standards, offering exceptional versatility for applications requiring corrosion resistance, strength, and reliability in demanding service conditions. This product form maintains the alloy's characteristic performance while providing the formability and consistency required for specialized industrial applications. The UNS **N04400** designation guarantees consistent material quality and performance. Monel 400 wire is available in various diameters and tempers, making it suitable for numerous applications across multiple industries. --- ### **Chemical Composition** The chemical composition is precisely controlled to ensure optimal performance in corrosive environments. | Element | Content (%) | | :--- | :--- | | **Nickel (Ni)** | 63.0 (Minimum) | | **Copper (Cu)** | 28.0 - 34.0 | | **Iron (Fe)** | 2.5 (Maximum) | | **Manganese (Mn)** | 2.0 (Maximum) | | **Carbon (C)** | 0.3 (Maximum) | | **Silicon (Si)** | 0.5 (Maximum) | | **Sulfur (S)** | 0.024 (Maximum) | **Note:** The balanced nickel-copper composition provides outstanding resistance to both reducing and oxidizing environments, while the controlled iron content helps prevent chloride-induced stress corrosion cracking. --- ### **Physical Properties** Monel 400 wire exhibits consistent physical properties suitable for various applications. | Property | Value | | :--- | :--- | | **Density** | 8.80 g/cm³ (0.318 lb/in³) | | **Melting Point** | 1350 °C (2460 °F) | | **Electrical Resistivity** | 51 μΩ·cm at 20°C | | **Thermal Conductivity** | 22 W/m·K at 20°C | | **Thermal Expansion Coefficient** | 13.9 μm/m·°C (20-100°C) | | **Magnetic Permeability** | Essentially non-magnetic | --- ### **Mechanical Properties** Typical mechanical properties for Monel 400 wire: | Condition | Tensile Strength | Yield Strength (0.2% Offset) | Elongation (%) | | :--- | :--- | :--- | :--- | | **Annealed** | 550-690 MPa (80-100 ksi) | 240-380 MPa (35-55 ksi) | 35-45 | | **Hard Drawn** | 690-965 MPa (100-140 ksi) | 620-895 MPa (90-130 ksi) | 5-25 | --- ### **International Standards** Monel 400 wire complies with major international standards: | Standard Organization | Standard Number | Specification | | :--- | :--- | :--- | | **ASTM** | ASTM B164 | Standard Specification for Nickel-Copper Alloy Rod, Bar, and Wire | | **ASME** | SB-164 | Boiler and Pressure Vessel Code | | **AWS** | A5.14 | Nickel-Alloy Electrodes | | **DIN** | 2.4360 | NiCu30Fe | | **EN** | EN 2.4360 | Nickel-Copper Alloy Wire | | **MIL** | MIL-N-894 | Military Specification | --- ### **Product Specifications & Applications** **Wire Types & Sizes:** - **Diameter Range:** 0.010" to 0.500" (0.25mm to 12.7mm) - **Spool Sizes:** Standard 25lb, 50lb, 100lb spools - **Available Tempers:** Annealed, Hard, Half-Hard - **Surface Finish:** Bright, Pickled, or Coated **Marine & Offshore Applications:** - Marine cable weaving - Fishing gear components - Netting and mesh for aquaculture - Mooring systems - Corrosion-resistant fasteners **Industrial Applications:** - Wire cloth and weaving - Filter elements - Screening materials - Spring manufacturing - Fastener production - Welding electrode core wire **Chemical Processing:** - Basket weaving for electroplating - Filter cloth for chemical filtration - Support wires for catalysts - Corrosion-resistant screening - Process equipment repairs **Electrical & Electronics:** - Lead wires for corrosive environments - Resistance wires - Heating elements - Electrical connectors - Battery components **Other Specialized Applications:** - Safety wire in aerospace - Musical instrument strings - Architectural applications - Medical device components - Jewelry and artistic applications --- ### **Key Advantages** - **Excellent Corrosion Resistance:** Superior performance in seawater, acids, and alkaline solutions - **High Strength:** Maintains mechanical integrity in demanding applications - **Good Ductility:** Can be easily formed, bent, and woven into complex shapes - **Consistent Diameter:** Precise dimensional control for manufacturing applications - **Excellent Weldability:** Suitable for welding applications with matching filler metals - **Non-Magnetic Properties:** Ideal for applications requiring non-magnetic characteristics - **Temperature Resistance:** Maintains properties from cryogenic to elevated temperatures - **Long Service Life:** Proven durability in harsh environments **Special Processing Capabilities:** - Custom spooling and packaging - Special surface treatments - Precision drawing to tight tolerances - Custom annealing cycles - Special testing and certification Monel 400 Wire (UNS N04400) provides an optimal combination of corrosion resistance, mechanical strength, and fabrication versatility for applications in marine, chemical processing, industrial, and specialized sectors. Its consistent quality and reliable performance make it particularly valuable for applications where corrosion resistance and strength are critical requirements.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 1675 gallon liquid totes Special package is available on request.