UNS N04405 Fasteners | R405 Hex Bar
Monel R405 Fasteners is a nickel–copper alloy known for its excellent corrosion resistance and high strength. This alloy is particularly suitable for manufacturing fasteners like bolts, nuts, and screws, which are essential components in various industries.
What is Monel R405?
Monel R405, also referred to as UNS N04405, is a modification of the standard Monel 400 alloy. The primary difference lies in the addition of sulfur, which enhances its machinability, making it ideal for producing fasteners. The typical chemical composition of Monel R405 includes approximately 63% nickel and 28-34% copper, with small amounts of iron, manganese, carbon, silicon, and sulfur.
Key Characteristics of Monel R405 Fasteners
- Corrosion Resistance: Monel R405 fasteners exhibit outstanding resistance to various corrosive environments, including seawater, acids like sulfuric and hydrofluoric, and alkaline solutions. This makes them suitable for marine and chemical processing applications.
- High Strength: These fasteners maintain their strength across a wide temperature range, from sub-zero conditions up to about 480°C (896°F), ensuring reliability in both cold and hot environments.
- Enhanced Machinability: The increased sulfur content in Monel R405 acts as a chip breaker during machining, facilitating the production of complex fastener designs with precision.
- Magnetic Properties: Monel R405 is slightly magnetic at room temperature, which can be a consideration in applications where magnetic properties are relevant.
Common Types of Monel R405 Fasteners
- Monel R405 Bolts: Used in applications requiring secure fastening with high strength and corrosion resistance.
- Monel R405 Nuts: Paired with bolts to provide a strong and durable fastening solution.
- Monel R405 Screws: Ideal for applications needing precise and reliable fastening.
- Monel R405 Washers: These are used to distribute load and prevent damage to surfaces.
Advantages of Using Monel R405 Fasteners
- Durability: Exceptional resistance to corrosion ensures a long service life, even in harsh environments.
- Reliability: High strength and toughness provide dependable performance under various conditions.
- Versatility: Suitable for a wide range of applications across multiple industries.
Schedule and Size Chart for Monel R405 Fasteners
| Fastener Type | Size Range (Diameter in mm) | Length (mm) |
| Bolts | M3 – M100 | 6 – 500 |
| Nuts | M3 – M100 | Custom Sizes |
| Screws | M2 – M64 | 4 – 300 |
| Washers | M3 – M64 | Custom Sizes |
| Stud Bolts | M6 – M100 | 20 – 600 |
Specifications Chart for AMS 4674 Fasteners
| Specification | Details |
| Standard | ASTM F467, ASTM B164, AMS 4674 |
| Material Grade | Monel R405 (UNS N04405) |
| Size Range | M3 to M100 |
| Fastener Types | Bolts, Nuts, Screws, Washers, Stud Bolts |
| Manufacturing Process | Hot Forged, Cold Forged, Machined |
| Thread Types | UNC, UNF, Metric Coarse, Metric Fine |
| Heat Treatment | Annealed Condition |
| Certification | EN 10204 3.1 / 3.2 |
Mechanical Properties of UNS N04405 Fasteners
| Property | Value |
| Tensile Strength (MPa) | 480 – 620 |
| Yield Strength (MPa) | 172 – 275 |
| Elongation (%) | 20 – 35 |
| Hardness (Brinell) | 135 – 175 |
| Impact Strength (J) | High Impact Resistance |
Chemical Composition of ASTM F467 R405 Bolts
| Element | Composition (%) |
| Nickel (Ni) | 63.0 min |
| Copper (Cu) | 28.0 – 34.0 |
| Iron (Fe) | 2.5 max |
| Manganese (Mn) | 2.0 max |
| Carbon (C) | 0.3 max |
| Silicon (Si) | 0.5 max |
| Sulfur (S) | 0.025 – 0.060 |
Physical Properties of Monel R405 Nuts
| Property | Value |
| Density | 8.8 g/cm³ |
| Melting Point | 1300 – 1350°C |
| Electrical Conductivity | 3.7% IACS |
| Magnetic Properties | Slightly Magnetic |
| Thermal Conductivity | 22 W/m·K at 25°C |
Applications of Monel R405 Fasteners
Due to their exceptional properties, Monel R405 fasteners are utilized in various industries:
- Marine Engineering: Ideal for shipbuilding and offshore structures due to their resistance to seawater corrosion.
- Chemical Processing: Suitable for equipment handling acids and alkalis, such as valves, pumps, and reactors.
- Oil and Gas: Used in offshore platforms, pipelines, and subsea equipment where both strength and corrosion resistance are crucial.
- Aerospace: Applied in aircraft components that require high strength and resistance to corrosive environments.
Specifications and Standards
Monel R405 fasteners conform to various international standards, ensuring quality and consistency:
- UNS N04405: Unified Numbering System designation for Monel R405.
- ASTM F467: Standard specification covering nonferrous nuts for general use, including those made from Monel R405.
- ASTM B164: Standard specification for nickel-copper alloy rods, bars, and wire, applicable to Monel R405 materials.
- AMS 4674: Aerospace Material Specification for nickel-copper alloy bars and rods, including Monel R405.
Considerations
While Monel R405 fasteners offer numerous benefits, it’s important to note that the increased sulfur content, which enhances machinability, can slightly reduce corrosion resistance compared to Monel 400. Therefore, it’s essential to assess the specific environmental conditions of your application to ensure optimal performance.
Monel R405 fasteners are a reliable choice for applications demanding high strength, excellent corrosion resistance, and good machinability. Their versatility makes them suitable for various industries, including marine, chemical processing, oil and gas, and aerospace. When selecting fasteners for your project, consider Monel R405 for a durable and dependable solution.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Monel R405 Fasteners. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
