Model No.: UNS R30003, Co40NiCrMo, 3J21
Brand: hdf
 
 
                                                    Packaging: Standard export packaging, wooden box packaging
Transportation: Ocean,Land,Air,Express
Place of Origin: China
Certificate: iso9001
Port: SHANGHAI
Payment Type: L/C,T/T,Paypal
Incoterm: FOB
 
 
                 
                                                Among the vast family of metal alloys, 3J21 stands out with its unique cobalt-based composition and outstanding performance characteristics. It has a significant role in the fields of aviation, aerospace, and precision instrument manufacturing. As a high-performance cobalt-based alloy, 3J21 possesses remarkable elasticity, corrosion resistance, high-temperature stability, and non-magnetic properties. These features make it one of the indispensable materials in modern industry.
  
 FEATURE
  1. Non-magnetic: This property makes 3J21 alloy highly useful in magnetic-sensitive applications, such as magnetic sensors and magnetic shielding fields.
 2. Corrosion resistance: In various media, 3J21 alloy exhibits extremely strong corrosion resistance, effectively resisting chemical corrosion such as oxidation and sulfidation.
 3. High elasticity and fatigue resistance: Suitable for components that require repeated deformation, such as elastic elements and precision instruments.
    
 CHEMICAL COMPONENT
     | Element |  C |  Mn |  Si |  P |  S |  Cr |  Ni |  Co |  Mo |  Be |  Fe |  
  | Min |  - |  1.5 |  - |  - |  - |  19 |  14 |  39 |  6 |  - |  Bal |  
  | Max |  0.15 |  2.5 |  1.2 |  0.015 |  0.015 |  21 |  16 |  41 |  8 |  0.1 |  
  
    
 PHYSICAL & MECHANICAL 
     | Density |  Melting |  Tensile strength |  Yield strength |  Elongation |  
  | 8.3 g/cm³ |  1427°C |  970 MPa |  480 MPa |  5-30% |  
  
    
 APPLICATION
  1. Precision instruments: Such as tension wires and torsion wires, require materials with high elasticity, high precision and high stability.
 2. Aerospace vehicles: Manufacturing elastic components and precision devices with small cross-sections, such as engine blades and bearings.
 3. Magnetic sensors: The non-magnetic property and high sensitivity of 3J21 alloy make it an ideal material in the field of magnetic sensors.
 4. Chemical and petroleum industries: Manufacturing corrosion-resistant equipment and pipelines to resist chemical corrosion and high-temperature environments.
 5. Medical device field: Such as artificial joints and implant devices, the materials need to have good biocompatibility and corrosion resistance.