Niobium wire for jewelry is a type of wire made from the metal element niobium. Niobium is a gray, soft, ductile metal that is commonly used in alloys with other metals for various industrial applications, such as in the production of steel and superconductors.
In jewelry making, niobium wire is valued for its hypoallergenic properties and versatility. It is often used as an alternative to other types of metal wire, such as sterling silver or gold, for individuals with sensitive skin or allergies. Niobium wire is also easy to work with, allowing for a variety of creative designs and techniques.
Niobium wire is available in a range of colors, including silver, black, gold, blue, and green. These colors are achieved through anodizing, a process that uses electricity to create a thin oxide layer on the surface of the metal. The thickness of the oxide layer determines the resulting color, allowing for a wide range of color options.
1. Chemical Composition
|
Chemistry % |
||||||||||||
|
Designation |
Chief component |
Impurities Maximum |
||||||||||
|
|
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
|
Nb1 |
Remainder |
0.004 |
0.003 |
0.002 |
0.004 |
0.004 |
0.002 |
0.07 |
0.015 |
0.004 |
0.0015 |
0.002 |
|
Nb2 |
Remainder |
0.02 |
0.02 |
0.005 |
0.02 |
0.02 |
0.005 |
0.15 |
0.03 |
0.01 |
0.0015 |
0.01 |
2. Mechanical requirements (annealed condition)
|
Grade |
Tensile strength δbpsi (MPa), ≥ |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length, %, ≥ |
|
RO4200-1 RO4210-2 |
18000 (125) |
12000 (85) |
25
|
3. Niobium Wire is a common jewelry material, the following is its production process
1) Material preparation: Niobium metal is used as the main raw material, which needs to be smelted and refined to produce high-purity Niobium metal.
2) Cold Drawing: High-purity Niobium metal is cold drawn to produce the desired diameter and length.
3) Surface treatment: Oxidize the cold-drawn Niobium Wire to form a protective film on its surface and enhance its corrosion resistance. At the same time, it can be dyed to produce Niobium Wire of different colors.
4) Cutting and shaping: Cut the obtained Niobium Wire to the required length and shape it to meet the product design requirements.
5) Cleaning and Packaging: Niobium Wire is cleaned and dried to ensure a clean surface and is packaged for storage and shipping.
The above is the production process of Niobium Wire for jewelry.
Niobium wire is often used in jewelry making because of its unique properties. It is hypoallergenic, so it is safe for people with sensitive skin to wear. Niobium wire also comes in various colors that are created by anodizing the surface, which gives jewelry makers a wider range of options for design. The wire is lightweight, so it is comfortable to wear and easy to work with. Additionally, niobium wire is corrosion-resistant, making it durable and long-lasting. These properties combine to make niobium wire a popular choice for jewelry-making applications.
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