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Tantalum Products

Explore our range of tantalum alloys manufactured to meet the highest industry standards, including specifications RO5200, RO5252, RO5255 & RO5400.

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Tantalum Manufacturers in India

Tantalum Products

Sachin Steel Centre is a leading tantalum supplier in India, offering a comprehensive range of high-quality tantalum products for industrial applications. We stock a wide variety of tantalum alloys & materials in different sizes, shapes & forms, including rods, wires, foils & shims.

As a trusted tantalum products exporter, we cater to clients in India, ensuring timely delivery and compliance with international quality standards. We are among the top tantalum manufacturers in India for our precision manufacturing, rigorous quality checks & commitment to excellence. We offer competitive tantalum price without compromising on quality, ensuring that businesses get the best value for premium materials. Our tantalum metal products are manufactured to strict standards, including ASTM B-708, ASTM B-365, ASTM F-560, RO5200, RO5252, RO5255, and RO5400.

Get premium tantalum products designed for maximum efficiency, high performance & long-lasting reliability.

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About Tantalum Material

Tantalum (symbol Ta, atomic number 73) is a rare, silver-grey transition metal renowned for its outstanding physical and chemical properties. With a high density of 16.6 g/cm³, excellent corrosion resistance, and an extremely high melting point of 3,020 °C, it is highly resistant to acids and harsh environments, making it essential for advanced industrial applications. Tantalum is primarily extracted from complex mineral ores such as tantalite, microlite, and columbite-tantalite, and is often produced as a co-product alongside niobium, tin, or lithium. It is use in capacitors, high-performance semiconductors, and sputtering targets for computer chips, flat-panel displays, and inkjet printer heads. Tantalum alloys are used to enhance strength, ductility, and corrosion resistance in aerospace components and high-temperature superalloys.

Tantalum has relatively low thermal conductivity (35 W/(m·K)), only 20–25% that of molybdenum or tungsten, and less than half that of iron. Its coefficient of thermal expansion (6.3 × 10⁻⁶ K⁻¹) is 30–40% higher than tungsten and about 50% greater than molybdenum

Tantalum Products List

Foil

Tantalum Foil

Polished Bar

Tantalum Round Bar & Rods

wire

Tantalum Wires

Shim Sheet

Tantalum Shims

Welded Tube

Tantalum Pipes/Tubes

SS Shim Plates

Tantalum Sheets/Plates

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Tantalum Material Specifications

Grade R05200 (Ta1), R05252 (Ta2.5W), R05255 (Ta10W), R05240 (TaNb40)
Standard ASTM B521-98, ASTM B521-2012, ASTM B708-92, ASTMB365, JISH4708, GB/T3463-1995, ASTM B365-2004
Purity 99.95%, 99.99%, Tantalum alloy
Test Certificates Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report
Outer Diameter(mm) 1.0~150mm
Thickness(mm) 0.02~5.0mm
Length(mm) 200~6000mm
Surface Grounded, Polished, Bright Polishing and Machined Surface
Color Metallic color
Processing Hot forging, Linear cutting, Water jet cutting
Melting point 2996℃
Boiling point 5425℃
Density 16.65g/cm3
State Annealing or Hard state

Chemical Composition of Tantalum Alloys

Element R05200 (%,Max) R05400 (%,Max)
C 0.01 0.01
O 0.015 0.03
N 0.01 0.01
H 0.0015 0.0015
Fe 0.01 0.01
Mo 0.02 0.02
Nb 0.1 0.1
Ni 0.01 0.01
Si 0.005 0.005
Ti 0.01 0.01
W 0.05 0.05

Mechanical Properties of Tantalum Material Products

Properties Metric Imperial
Tensile strength 900 MPa 131000 psi
Poisson’s ratio 0.35 0.35
Modulus of elasticity 186 GPa 27000 ksi
Shear modulus 69 GPa 10000 ksi
Hardness, Vickers 200 200
Hardness, Brinell 195 195
Hardness, Rockwell A 56 56
Hardness, Rockwell B 92 92
Hardness, Rockwell C 12 12
Thermal expansion co-efficient (@20°C/68°F) 6.50 µm/m°C 3.61 µin/in°F
Thermal conductivity 54.4 W/mK 378 BTU in/hr.ft².°F

Physical Properties of Tantalum Products

Property Value
Atomic number 73
Atomic weight 180.95
Relative abundance in Earth’s crust, % 2.1 × 10–4
Crystal structure Body-centered cubic
Lattice constant, nm a = 0.33025
Density, g/cm3 16.6
Melting point, °C 2,996
Boiling point, °C 5,425
Heat of fusion, kJ/mol 28.5
Heat of vaporization at 3,273 K, kJ mol–1 78.1
Specific heat capacity at 20°C, J mol–1 K–1 25.41
Linear coefficient of thermal expansion at 20°C, K–1 6.5 × 10–6
Thermal conductivity at 20°C, W m–1 K–1 54.4
Specific electrical conductivity at 20°C, Ω–1 cm–1 0.081
Superconductivity, K 4.3
Temperature coefficient (0–100°C) 0.00383

ASTM Product Specification of Tantalum

UNS Grade Composition / Type Processing Method
R05200 Unalloyed Tantalum Vacuum Melted
R05400 Unalloyed Tantalum Powder-Metallurgy Consolidation
R05252 Tantalum + 2.5% Tungsten Alloy Vacuum Melted
R05255 Tantalum + 10% Tungsten Alloy Vacuum Melted
R05240 Tantalum Alloy (60% Tantalum, 40% Niobium) Electron-Beam Furnace or Vacuum Arc Melt (or both)

Applications of Tantalum Products

  • Capacitors: Used in miniaturized, high-performance capacitors for electronics,
    Semiconductors: Acts as a thin-film diffusion barrier in PVD processes.
  • Engine Turbine Blades: Alloyed in nickel-based superalloys for aircraft and gas turbine blades.
  • Additive Manufacturing: Ideal for 3D printing aerospace, automotive, medical, defense, 
  • Chemical Processing: Used in vessel liners, piping, valves, and heat exchangers.
Application Industries

Frequently Asked Questions About Tantalum Products

Tantalum forms an extremely stable oxide, giving it high corrosion resistance, biocompatibility, and reliability. It is widely used in high-capacitance capacitors, chemical processing vessels, and medical implants.

Yes. Tantalum resists attack from both oxidizing and reducing acids, making it ideal for chemical equipment, heat exchangers, valves, and fittings that handle aggressive chemicals.

They are made from sintered tantalum powder coated with tantalum oxide (the dielectric), forming a compact anode-cathode structure. The high surface area of the powder allows maximum charge storage in a small volume, enabling compact, high-performance electronics.

Tantalum is denser, has a higher melting point, and superior corrosion resistance, while titanium offers a better strength-to-weight ratio and lower cost.

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