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Kunj Sheets and Plates is a well-respected manufacturer and supplier of Niobium Sheets and Plates based in Chennai, India. Niobium, a rare transition metal, is celebrated for its outstanding corrosion resistance, high melting point, and superconducting capabilities. Our high-purity niobium sheets and plates are designed for tough applications in industries like aerospace, electronics, medical, and nuclear. At Kunj, we provide niobium products in a variety of thicknesses and dimensions, tailored to meet our clients’ specific needs. With a strong focus on quality and precision, we make sure that every product adheres to international standards, establishing us as a go-to partner for specialty and high-performance material solutions.
Typically, Niobium Sheets and Plates boast a purity of 99.9% or higher, with trace amounts of tantalum, titanium, and iron. This material features a high melting point of 2477°C, along with excellent ductility and corrosion resistance, particularly against alkalis and acids. Its mechanical properties include a tensile strength ranging from 275 to 550 MPa, depending on the temper and processing, along with remarkable formability. Niobium is non-magnetic, biocompatible, and can be cold-worked or machined with great precision, making it perfect for high-tech and scientific applications that demand structural integrity at elevated temperatures.
Grade : | Nb1,NbZr,R04200 |
Standard : | ASTM B393-05 |
Purity : | 99.95% |
Specialize sheets : | Shim, Perforated Sheet, B. Q. Profile. |
Size: | Thick 0.1mm min.W680mm max. L3000mm max |
Finish : | Cold rolled sheet (CR), 2D, Hot rolled plate (HR), 2B, BA NO(8), SATIN (Met with Plastic Coated) |
Hardness : | Quarter Hard, Soft, Hard, Half Hard, Spring Hard etc. |
Applications : | Semiconductor materials, vacuum coating, sintering trays and boats, special chemical applications. |
STANDARD | UNS | Material No |
Niobium | R04200 | – |
Element | Type 1 (Reactor Grade Unalloyed Nb) R04200 | Type 2 (Commercial Grade Unalloyed Nb) R04210 | Type 3 (Reactor Grade Nb-1%Nb) R04251 | Type 4 (Commercial Grade Nb-1%Nb) R04261 |
Max Weight % (Except Where Otherwise Specified) | ||||
C | 0.01 | 0.01 | 0.01 | 0.01 |
N | 0.01 | 0.01 | 0.01 | 0.01 |
O | 0.015 | 0.025 | 0.015 | 0.025 |
H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
Zr | 0.02 | 0.02 | 0.8 – 1.2 | 0.8 – 1.2 |
Ta | 0.1 | 0.3 | 0.1 | 0.5 |
Fe | 0.005 | 0.01 | 0.005 | 0.01 |
Si | 0.005 | 0.005 | 0.005 | 0.005 |
W | 0.03 | 0.05 | 0.03 | 0.05 |
Ni | 0.005 | 0.005 | 0.005 | 0.005 |
Mo | 0.010 | 0.020 | 0.010 | 0.050 |
Hf | 0.02 | 0.02 | 0.02 | 0.02 |
Ti | 0.02 | 0.03 | 0.02 | 0.03 |
Grade Chart | Tensile Ultimate Strength, Minimum,psi(MPa) | Yield Strength Minimum, psi (MPa) | Elongation in 1-inch | |
0.010 inch or Greater | Less Than 0.010 inch | |||
Types 1 and 2 | 18 000 (125) | 10 500 (73) | 20 | 15 |
Types 3 and 4 | 28 000 (195) | 18 000 (125) | 20 | 15 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Kunj Sheets and Plates based in Chennai, India, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Niobium sheets and plates offer several advantages, including exceptional corrosion resistance, especially in extreme environments such as high temperatures and acidic conditions. They have excellent weldability and formability, making them ideal for precision manufacturing. Niobium also boasts high strength-to-weight ratio, ensuring durability without adding excess weight. Its resistance to oxidation and ability to retain mechanical properties at elevated temperatures make it valuable for aerospace, electronics, and chemical industries. Additionally, niobium is non-toxic and biocompatible, making it suitable for medical implants and other specialized applications.
Niobium and Niobium Alloys Sheet & Strip & Foil Dimension and Tolerance (mm) | ||||||
Thickness | Thickness Tolerance | Width | Width Tolerance | Length | Length Tolerance | |
Grade 1 | Grade 2 | |||||
0.025 – 0.1 | ± 0.005 | ± 0.008 | 50 – 150 | ± 2.0 | 100 – 20 000 | ± 2.0 |
0.1 – 0.2 | ± 0.015 | ± 0.02 | 50 – 240 | ± 2.0 | 100 – 20 000 | ± 2.0 |
> 0.2 – 0.3 | ± 0.02 | ± 0.03 | 50 – 650 | ± 2.0 | 100 – 6 000 | ± 2.0 |
> 0.3 – 0.5 | ± 0.03 | ± 0.04 | 50 – 650 | ± 2.0 | 100 – 6 000 | ± 2.0 |
> 0.5 – 0.8 | ± 0.04 | ± 0.06 | 50 – 650 | ± 2.0 | 100 – 6 000 | ± 2.0 |
> 0.8 – 1.0 | ± 0.06 | ± 0.08 | 50 – 650 | ± 2.0 | 100 – 6 000 | ± 2.0 |
> 1.0 – 1.5 | ± 0.08 | ± 0.12 | 50 – 650 | ± 3.0 | 100 – 6 000 | ± 4.0 |
> 1.5 – 2.0 | ± 0.12 | ± 0.16 | 50 – 650 | ± 3.0 | 100 – 4 000 | ± 4.0 |
> 2.0 – 3.0 | ± 0.16 | ± 0.18 | 50 – 650 | ± 5.0 | 100 – 4 000 | ± 5.0 |
> 3.0 – 4.0 | ± 0.18 | ± 0.20 | 50 – 650 | ± 5.0 | 100 – 3000 | ± 5.0 |
> 4.0 – 6.0 | ± 0.20 | ± 0.24 | 50 – 650 | ± 5.0 | 100 – 2000 | ± 5.0 |
The tolerance can be adjusted based on customer’s request. |
Yes, we offer custom sizes for Niobium Sheets and Plates to meet specific project needs. Our team at Kunj Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
Niobium Sheets and Plates are extensively utilized in aerospace and jet engine components, superconducting magnets, and nuclear reactors due to their impressive strength and thermal stability. In the medical sector, niobium’s biocompatibility makes it an excellent choice for implants and surgical devices. The electronics industry incorporates niobium in the production of capacitors and semiconductors. Additionally, it is used in chemical processing equipment, corrosion-resistant linings, and as an alloying agent with steel and superalloys to enhance strength and toughness. The unique blend of properties that niobium offers makes it an essential material for cutting-edge technologies and high-performance systems.
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