Alloy K500，Monel K500 Other/Similar Specs，UNS N05500，EFORU

British Specs:BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA18，American Specs:AMS 4676 Bar and Forgings QQ-N-286，German Specs:WS 2.4375

### **Alloy K-500 / Monel K-500 (Other Product Forms & Similar Specifications) / UNS N05500** **Product Overview** Monel K-500 (UNS N05500) is a precipitation-hardenable nickel-copper alloy available in various specialized product forms beyond standard mill products. This versatile alloy maintains the excellent corrosion resistance of Monel 400 while achieving significantly higher strength through age-hardening treatment. Special forms include wire mesh, expanded metal, perforated sheets, and custom fabricated components, serving diverse industrial applications where corrosion resistance and high strength are paramount. --- **Chemical Composition (Various International Standards)** | Element | Content (%) | |----------------|----------------| | **Nickel (Ni)** | 63.0 min (Balance) | | **Copper (Cu)** | 27.0–33.0 | | **Aluminum (Al)**| 2.30–3.15 | | **Titanium (Ti)**| 0.35–0.85 | | **Iron (Fe)** | 2.0 max | | **Manganese (Mn)**| 1.5 max | | **Carbon (C)** | 0.25 max | | **Silicon (Si)** | 0.5 max | | **Sulfur (S)** | 0.01 max | *Precipitation hardening occurs through formation of Ni₃(Ti,Al) intermetallic compounds during aging treatment at 1100–1150°F (595–620°C).* --- **Physical Properties** | Property | Value | |-------------------------------|---------------------------------| | **Density** | 8.44 g/cm³ (0.305 lb/in³) | | **Melting Range** | 1315–1350°C (2400–2460°F) | | **Electrical Resistivity** | 65.0 μΩ·cm (Annealed) | | **Thermal Conductivity** | 17.0 W/m·K (at 100°C) | | **Thermal Expansion Coefficient** | 13.9 μm/m·°C (20–100°C) | | **Modulus of Elasticity** | 179 GPa (26,000 ksi) | | **Magnetic Permeability** | <1.005 (Essentially non-magnetic) | --- **Mechanical Properties (Various Product Forms – Aged Condition)** | Property | Wire Mesh & Cloth | Expanded Metal | Perforated Sheet | Custom Fabrications | |-----------------------------|-------------------|----------------|------------------|---------------------| | **Tensile Strength** | 965–1170 MPa | 930–1130 MPa | 930–1130 MPa | 965–1170 MPa | | **Yield Strength (0.2%)** | 655–965 MPa | 620–895 MPa | 620–895 MPa | 655–965 MPa | | **Elongation** | 15–25% | 20–30% | 20–30% | 20–30% | | **Hardness** | 28–38 HRC | 24–33 HRC | 24–33 HRC | 25–35 HRC | --- **Specialized Product Forms** **Wire Mesh & Cloth** - **Weave Types**: Plain weave, twill weave, Dutch weave - **Mesh Sizes**: 2 to 400 mesh - **Wire Diameter**: 0.025 mm to 2.0 mm - **Applications**: Filtration, screening, EMI shielding **Expanded Metal** - **Patterns**: Standard, flattened, decorative - **Thickness**: 0.5 mm to 6.0 mm - **Strand Width**: 0.5 mm to 10 mm - **Applications**: Grating, filters, guards **Perforated Sheets** - **Hole Patterns**: Round, square, slot, custom - **Sheet Thickness**: 0.5 mm to 12 mm - **Hole Sizes**: 0.3 mm to 50 mm diameter - **Applications**: Screening, filtration, architecture **Custom Fabrications** - **Manufacturing**: Laser cutting, waterjet cutting, welding - **Forms**: Baffles, supports, custom brackets - **Finishes**: Pickled, polished, passivated --- **Key Characteristics & Advantages** 1. **Versatile Product Range** – Available in numerous specialized forms for specific applications 2. **Consistent Performance** – Maintains properties across all product forms after proper heat treatment 3. **Excellent Fabricability** – Can be woven, expanded, perforated, and fabricated using standard methods 4. **Corrosion Resistance** – Superior performance across marine, chemical, and industrial environments 5. **High Strength** – Age-hardening capability provides enhanced mechanical properties 6. **Non-Magnetic** – Suitable for electronic and sensitive instrumentation applications --- **Product Applications by Form** **Wire Mesh Applications** - Chemical processing filters - Marine water intake screens - EMI/RFI shielding components - Fuel and oil filters - Demister pads and mist eliminators **Expanded Metal Applications** - Marine platform grating - Chemical plant walkways - Filter support grids - Machine guards - Architectural elements **Perforated Sheet Applications** - Sieves and screens - Acoustic panels - Decorative panels - Filter plates - Ventilation panels **Custom Fabrication Applications** - Heat exchanger components - Reactor internals - Specialized brackets and supports - Custom filter assemblies - Marine hardware components --- **International Standards & Specifications** | Standard Type | Standard Number | Specification Scope | |---------------|-----------------|---------------------| | **UNS** | **N05500** | Unified Numbering System | | **ASTM** | B166 | Nickel-Copper Alloy Rod, Bar, and Wire | | **ASTM** | B164 | Nickel-Copper Alloy Rod, Bar, and Wire | | **ASTM** | B165 | Nickel-Copper Alloy Seamless Pipe and Tube | | **AMS** | 4676 | Aerospace Material Specification | | **DIN** | 2.4375 | German Standard | | **EN** | NiCu30Al | European Standard | | **JIS** | NW 5500 | Japanese Industrial Standard | | **GOST** | НМЖМц 28-2.5-1.5| Russian Standard | --- **Equivalent Specifications by Country** | Country | Standard Designation | Similar Alloys | |---------------|----------------------|----------------| | **United States** | UNS N05500, ASTM B164 | Monel 400, Monel 404 | | **Germany** | DIN 2.4375, W.Nr. 2.4375 | NiCu30Al | | **United Kingdom** | BS NA 18, BS 3075 NA 18 | Nickel Copper 30% | | **France** | AFNOR NU 30, NF N 05500 | - | | **Japan** | JIS NW 5500, NW 4400 | - | | **China** | GB NS 410, GB 0NiCu30 | - | | **International** | ISO 6208 NW 5500 | - | --- **Special Processing & Heat Treatment** **Fabrication Guidelines** - **Forming**: Best performed in solution-annealed condition - **Welding**: Use Monel 60 or 67 filler metals with post-weld aging - **Machining**: Use positive rake angles, sharp tools, and adequate cooling - **Finishing**: Pickle in nitric-hydrofluoric acid mixture for scale removal **Heat Treatment Options** - **Solution Annealing**: 1600–1650°F (870–900°C), rapid cool - **Aging Treatments**: Various cycles available for different strength levels - **Stress Relieving**: 1000–1100°F (540–595°C) for fabricated components --- **Quality Assurance & Testing** **Standard Testing** - Chemical analysis verification - Mechanical property testing - Hardness surveys - Dimensional inspection **Specialized Testing** - Mesh count verification - Opening size analysis - Porosity testing for filters - Surface finish verification **Certification** - Material test certificates - Heat treatment records - Compliance certificates to required specifications - Third-party inspection reports --- **Industry-Specific Applications** **Marine & Offshore** - Anti-fouling screens - Ballast water filters - Marine growth prevention systems - Offshore platform components **Chemical Processing** - Catalyst support grids - Filter elements - Reaction vessel internals - Distillation column packing **Aerospace & Defense** - EMI shielding components - Fuel system filters - Specialized structural components - Avionics enclosures **Power Generation** - Condenser screens - Cooling water filters - Demineralization system components - Nuclear applications (specific grades) --- **Conclusion** Monel K-500 in specialized forms (UNS N05500) offers engineers and designers exceptional versatility while maintaining the alloy's characteristic high strength and excellent corrosion resistance. The availability in wire mesh, expanded metal, perforated sheets, and custom fabrications enables innovative solutions across marine, chemical processing, aerospace, and power generation industries. With comprehensive international standardization and proven performance in demanding environments, these specialized product forms provide reliable, long-term solutions for critical applications where conventional materials may fail.

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 1712 gallon liquid totes Special package is available on request.