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Monel 404

Monel 404

Monel 404 is engineered for specialized electronics and electrical equipment, with components fine-tuned for a minimal Curie temperature, low permeability, and superior brazability. It is a reliable choice for both small and large-scale electrical projects, designed to serve the needs of modern electronics and machine manufacturers.

Equivalent grades

• Monel 404
• UNS N04404
• ASTM F96

Chemical Composition Reference


Physical Property Reference

• Density: 8.91 g/cm³

• Elongation at break: 35%

• Tensile Strength(min): 483 MPa

• Yield Strength(min): 172 MPa

• Modulus of Elasticity: 169 GPa

Stock & Dimensions

Our warehouse has a large number of stock to provide you with a variety of products in different sizes, and can also customize the size according to your needs.
• Bar: 0.5~600mm Diameter
• Coil: 0.5~150mm Thick
• Plate: 0.5~200mm Thick
• Pipe: 6~630mm External Diameter; 0.5~40mm Wall Tick
• Available in specific sizes

Product Forms

We provide you with a variety of product forms, including but not limited to:
• Bar/Rod
• Pipe/Tube
• Coil/Strip
• Plate/Sheet/Circle
• Wire
• Fitting (Flange, Elbow, Tee...)
• Customize

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Monel 404

Essential details
Monel 404 can be welded using common welding techniques and forged but cannot be hot worked. Cold working may be done using standard tooling and soft die materials for better finish. It is covered by standards UNS N04404 and ASTM F96. Monel 404 is used in capsules for transistors and ceramic to metal seals and other things.


- Capsules for transistors

- Ceramic to metal sealing

- Transistor capsules

- Sealing for ceramic-metal

- Marine fixtures

- Processing equipment for


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