Niobium earring wires is a material used for jewelry making, which has many advantages, such as strong corrosion resistance, not easy to fade, suitable for sensitive skin, etc. It is made of pure niobium, a rare metal with a high melting point and strength, while also offering good machinability and toughness. It is commonly used in handmade earrings, necklaces, bracelets, and other accessories. Niobium is a silvery metallic element belonging to Group V with the chemical symbol Nb, atomic number 41, and a density of 8.57 g/cm3. It is a high-melting-point, high-strength, corrosion-resistant metal with good electrical and superconducting properties, so it is used in the manufacture of superconducting cables, superconducting magnets, and other high-tech applications.
1. The processing flow of niobium earring wire is roughly as follows
1) First prepare the raw materials: niobium rods with a purity higher than 99.9%.
2) Cutting raw materials: Cut niobium rods into blanks of the appropriate length according to requirements.
3) Processing blank: use mechanical processing tools (such as lathes, drills, milling machines, etc.) to process niobium blanks to make them into earring wires of suitable shape, including diameter, length, and shape.
4) Cleaning and treatment: The processed Earring Wire is cleaned and specially treated to enhance its wear resistance and corrosion resistance.
5) Inspection and testing: Inspect and test the processed Earring Wire to ensure that it meets the design and process requirements.
6) Packing and leaving the factory: Pack the earring wires that meet the requirements, mark the specifications, quantity, and other relevant information, and sell them at the factory.
2. Diameter & Tolerance
|
Diameter/mm |
Tolerance/mm |
Roundness/mm |
|
0.2--0.5mm |
±0.007 |
0.005 |
|
0.5--1.0 |
±0.01 |
0.01 |
|
1.0---1.5 |
±0.02 |
0.02 |
|
1.5---3.0 |
±0.03 |
0.03 |
3. Mechanical Property
Regarding the mechanical properties of niobium wire, the following is some basic information:
- Density: 8.57 g/cm3
- Melting point: 2468°C
- Yield strength: 125 MPa
- Elastic modulus: 105 GPa
- Hardness (Vickers hardness): 132 HV
Overall, earring niobium wire is a lightweight and stretchy material suitable for making earring wire. It is also widely used in the medical field due to its good biocompatibility and low reactivity.
|
State |
Tensile Strength(Mpa) |
Extend Rate(%) |
|
R04200 |
≥125 |
≥20 |
|
R04210 |
≥195 |
≥15 |
It should be noted that the processing of niobium wire requires superb technology and sophisticated equipment, so a high degree of attention and caution must be maintained during the processing to ensure processing quality and safety.
Niobium earring wires is commonly used to make earring accessories for people with sensitive skin. Niobium is a premium material choice due to its good biocompatibility and corrosion resistance without causing allergies or contamination. Niobium wire can be used in a variety of different earring designs ranging from simple streamlined designs to intricate jewelry designs. They are usually available in different colors and glosses to suit different styles of earrings.
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