Hardness testing to ISO 6508-1
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Monel 400 Flat & Spring Washers, also known as UNS N04400, is a nickel-copper alloy known for its corrosion resistance and high strength. Flat washers and spring washers made from Monel 400 are commonly used in various industrial applications. Here's a brief overview of Monel 400 flat washers and spring washers:
Monel 400 Flat Washers (UNS N04400):
Corrosion Resistance: Monel 400 flat washers offer excellent corrosion resistance in a wide range of environments, making them suitable for applications exposed to seawater, chemicals, and other corrosive substances.
Strength: Monel 400 flat washers provide good mechanical properties and a high tensile strength, which helps distribute loads and create a secure fastening.
Wear Resistance: Monel 400 exhibits good wear resistance, making it suitable for applications where washers are subject to friction and pressure.
Weldability: Monel 400 flat washers can be welded using appropriate methods, allowing them to be incorporated into various structures and equipment.
Heat Treatment: Monel 400 washers are generally used in their annealed condition. Heat treatment is not typically necessary, as the alloy possesses good mechanical properties without additional treatment.
Applications: Monel 400 flat washers are used in various industries, including marine, chemical processing, petrochemical, aerospace, and power generation. They are commonly employed in fastening applications to provide a bearing surface under the head of a bolt or nut, distributing loads, and preventing surface damage.
Standard | : | ASTM A166 / SA166 |
Dimension | : | ASTM,DIN, BS,GB, IS and all International Standards |
Diameter | : | M2 to M100 |
Heat Treatment | : | Annealing, Stress Relieving, Case Hardening, Quenching and Tempering. |
Type | : | Plain Washer, Spring Washer, Tooth Washer, Tapper Washer, Tab Washer, Star Washer etc. |
Monel 400 Spring Washers (UNS N04400):
Corrosion Resistance: Monel 400 spring washers offer excellent corrosion resistance and are particularly useful in applications where the washer must maintain its spring-like properties under corrosive conditions.
Spring Properties: Monel 400 spring washers exhibit good spring-like properties, providing a degree of flexibility that allows them to maintain tension and prevent loosening of threaded fasteners in dynamic applications.
Strength: Monel 400 spring washers possess high tensile strength, allowing them to withstand significant loads while maintaining their spring function.
Weldability: Monel 400 spring washers can be welded, but care should be taken to avoid over-tempering and weakening the spring properties during welding.
Heat Treatment: Spring washers are typically used in their annealed condition and don't require additional heat treatment.
Applications: Monel 400 spring washers are used in various applications where the prevention of loosening due to vibration or dynamic loads is essential. Common applications include marine equipment, industrial machinery, and critical systems in corrosive environments.
To preserve the high standards of our selection of industrial washers, we have always adhered to a systematic quality management process.
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STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
Grade | C | Mn | Si | S | Cu | Fe | Ni |
Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.024 max | 28.00 – 34.00 | 2.50 max | 63.00 min |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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