Tantalum Fasteners are specialized refractory-metal fasteners made from commercially pure tantalum or tantalum-tungsten alloys such as Ta-2.5W and Ta-10W. Tantalum bolts, screws, nuts, washers and studs are selected for their exceptional corrosion resistance, chemical stability and high-temperature capability. We supply Pure Tantalum Fasteners and Tantalum Alloy Fasteners in standard and customized configurations for chemical processing, pharmaceutical, electronics, aerospace and other demanding applications.
Tantalum Bolts and Screws
Tantalum Bolts and Screws are used where conventional stainless steel and other engineering materials may not provide the required corrosion resistance. Tantalum forms a stable protective oxide layer, giving it excellent resistance to many aggressive chemical environments.
We supply Pure Tantalum Fasteners as well as tantalum-tungsten alloy fasteners for specialized industrial applications. The range can include hex head bolts, screws, nuts, washers, stud bolts, threaded rods and other customized fastening components.
Tantalum fasteners can be manufactured or supplied according to required dimensions, thread forms, material grades, drawings and application requirements.
Table of Contents
- ➤ Tantalum Bolts and Screws
- ➤ Types of Tantalum Fasteners
- ➤ Pure Tantalum Fasteners
- ➤ Tantalum Fasteners Specifications
- ➤ Tantalum Alloy Fasteners – Ta-2.5W and Ta-10W
- ➤ Chemical Composition of Tantalum Fasteners
- ➤ Mechanical Properties of Tantalum Fasteners
- ➤ Tantalum Fasteners Weight Chart
- ➤ Equivalent Grades of Tantalum Fasteners
- ➤ Why Choose Refractory Metal Tantalum Screws and Bolts?
- ➤ Applications of Tantalum Fasteners
- ➤ Tantalum Fasteners Manufacturer and Supplier in India
- ➤ Tantalum Fasteners Stockist and Distributor
- ➤ Pure Tantalum Fasteners Exporter
Types of Tantalum Fasteners
We offer different types of Tantalum Fasteners for industrial and engineered applications:
| Tantalum Fastener Type | Description |
|---|---|
| Tantalum Hex Head Bolts | Six-sided head design for wrench tightening |
| Tantalum Screws | Machine and specialty screws for threaded assemblies |
| Tantalum Stud Bolts | Threaded at both ends for flanged and equipment connections |
| Tantalum Threaded Rods | Continuous-thread fastening components |
| Tantalum Nuts | Matching threaded components for bolted assemblies |
| Tantalum Washers | Used for load distribution and assembly support |
| Tantalum Machine Screws | Precision fastening for equipment and components |
| Custom Tantalum Fasteners | Manufactured according to customer drawings and specifications |
Available configurations depend on the tantalum grade, dimensions, manufacturing method and application.
Pure Tantalum Fasteners
Pure Tantalum Fasteners are manufactured from unalloyed tantalum and are primarily selected for their outstanding corrosion resistance and chemical compatibility.
ASTM specifications identify UNS R05200 as unalloyed tantalum produced by vacuum-arc or electron-beam melting and UNS R05400 as unalloyed tantalum produced by powder-metallurgy consolidation. ASTM B708 and ASTM B365 cover tantalum and tantalum alloy mill products such as plate, sheet, strip, rod and wire; the exact applicable product specification should therefore be confirmed for a fastener order.
Pure tantalum fasteners can be considered for:
- Chemical processing equipment
- Reactors and vessels
- Heat exchangers
- Pharmaceutical equipment
- Laboratory systems
- Corrosive-service assemblies
- Specialized electronic equipment
- High-temperature engineering applications
Tantalum Fasteners Specifications
| Specification | Options |
|---|---|
| Material | Pure Tantalum, Ta-2.5W, Ta-10W |
| UNS Grades | R05200, R05400, R05252, R05255 |
| Product Types | Bolts, Screws, Nuts, Washers, Studs, Threaded Rods |
| Head Style | Hex Head and Customized Designs |
| Threads | Metric, Imperial and Customized |
| Size | Standard and Drawing-Based Sizes |
| Manufacturing | Standard / Customized |
| Inspection | Dimensional and Material Inspection as Required |
| Documentation | Material Test Certificates and Inspection Reports as Required |
Tantalum Alloy Fasteners – Ta-2.5W and Ta-10W
For applications requiring greater mechanical strength than commercially pure tantalum, Tantalum Alloy Fasteners can be produced from tantalum-tungsten alloys.
ASTM identifies UNS R05252 as tantalum with 2.5% tungsten and UNS R05255 as tantalum with 10% tungsten.
| Grade | UNS Designation | Nominal Composition | General Characteristics |
|---|---|---|---|
| Pure Tantalum | R05200 / R05400 | Tantalum, balance | Excellent corrosion resistance |
| Ta-2.5W | R05252 | 97.5% Ta + 2.5% W | Higher strength than pure tantalum |
| Ta-10W | R05255 | 90% Ta + 10% W | Higher strength and high-temperature capability |
Chemical Composition of Tantalum Fasteners
| Grade | Tantalum (Ta) | Tungsten (W) | Other Elements |
|---|---|---|---|
| Pure Tantalum R05200 | Balance | — | Controlled residual elements |
| Pure Tantalum R05400 | Balance | — | Controlled residual elements |
| Ta-2.5W R05252 | 97.5% nominal | 2.5% nominal | Controlled residual elements |
| Ta-10W R05255 | 90% nominal | 10% nominal | Controlled residual elements |
Mechanical Properties of Tantalum Fasteners
| Grade | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Elastic Modulus, GPa |
|---|---|---|---|---|
| Tantalum | 276 | 172 | 50 | 179 |
| Ta-2.5W | 379 | 241 | 30 | 179 |
| Ta-10W | 620 | 482 | 30 | 207 |
Tantalum Fasteners Weight Chart
| Material | Approx. Density, g/cm³ | Approx. Density, kg/dm³ |
|---|---|---|
| Pure Tantalum | 16.65 | 16.65 |
| Ta-2.5W | Approx. 16.8 | Approx. 16.8 |
| Ta-10W | Approx. 17.1 | Approx. 17.1 |
Basic weight calculation:
Weight (kg) = Volume (cm³) × Density (g/cm³) ÷ 1000
For example, a component with a calculated volume of 10 cm³ made from pure tantalum would have an approximate theoretical mass of:
10 × 16.65 ÷ 1000 = 0.1665 kg
For commercial quotations, the actual weight should be calculated from the finished fastener drawing or dimensional model.
Equivalent Grades of Tantalum Fasteners
| Material | UNS Grade | Common Designation | ASTM Material References |
|---|---|---|---|
| Unalloyed Tantalum | R05200 | Pure Tantalum, Vacuum Melted | ASTM B365 / B708 |
| Unalloyed Tantalum | R05400 | Pure Tantalum, Powder-Metallurgy | ASTM B365 / B708 |
| Tantalum + 2.5% W | R05252 | Ta-2.5W | ASTM B365 / B708 |
| Tantalum + 10% W | R05255 | Ta-10W | ASTM B365 / B708 |
Tantalum Fastener Grades We Supply
Explore detailed specifications, dimensions and application data for each individual tantalum grade:
- Tantalum R05200 Fasteners – unalloyed, vacuum-melted pure tantalum
- Tantalum R05240 Fasteners – Ta-40Nb tantalum-niobium alloy
- Tantalum R05252 Fasteners – Ta-2.5W tungsten alloy
- Tantalum R05255 Fasteners – Ta-10W tungsten alloy
Applications of Tantalum Fasteners
Why Choose Refractory Metal Tantalum Screws and Bolts?
Refractory Metal Tantalum Screws and Bolts offer a specialized combination of corrosion resistance, chemical stability and elevated-temperature capability.
- Exceptional Corrosion Resistance: Tantalum is particularly valued for its resistance to many aggressive chemical environments. This makes it useful in selected chemical-processing applications.
- Stable Protective Oxide Layer: Tantalum naturally forms a highly stable oxide layer that contributes to its corrosion resistance.
- High-Temperature Capability: Tantalum is a refractory metal with a very high melting point. Tantalum-tungsten alloys can provide enhanced strength for demanding temperature conditions.
- Alloy Strength: Adding tungsten increases the strength of tantalum. Ta-2.5W and Ta-10W therefore provide different mechanical performance levels compared with commercially pure tantalum.
- Specialized Industrial Performance: Tantalum fasteners are generally selected for applications where the performance requirements justify the use of a specialized refractory metal.
Tantalum Fasteners Manufacturer and Supplier in India
We supply Tantalum Fasteners for industrial, engineering and export requirements. As a Tantalum Fasteners Manufacturer / Supplier, we support standard products as well as customized fasteners manufactured according to drawings and technical requirements.
Our range includes:
- Pure Tantalum Fasteners
- Ta-2.5W Fasteners
- Ta-10W Fasteners
- Tantalum Hex Head Bolts
- Tantalum Screws
- Tantalum Stud Bolts
- Tantalum Nuts
- Tantalum Washers
- Tantalum Threaded Rods
- Customized Tantalum Fasteners
As a Tantalum Fasteners Manufacturer in Mumbai, we supply customers across India and support international export requirements.
Tantalum Fasteners Stockist and Distributor
We also support requirements as a Tantalum Fasteners Stockist / Distributor, subject to grade, size, quantity and availability.
When requesting a quotation, customers can provide:
- Tantalum grade
- UNS designation
- Fastener type
- Diameter
- Length
- Thread specification
- Quantity
- Applicable standard
- Drawing, if available
- Required inspection documentation
Providing these details allows us to evaluate the requirement accurately and offer the appropriate material and configuration.
Pure Tantalum Fasteners Exporter
We supply Pure Tantalum Fasteners for international industrial projects and export requirements. Products can be prepared according to customer drawings, material specifications, packaging requirements and documentation needs.
Whether the requirement is for Tantalum Bolts and Screws, Tantalum Hex Head Bolts, Ta-2.5W Fasteners, Ta-10W Fasteners or customized refractory-metal fasteners, we can assist with material identification and supply coordination.
Get a Quote for Tantalum Fasteners
Looking for Tantalum Fasteners, Tantalum Bolts and Screws, Pure Tantalum Fasteners or Ta-2.5W / Ta-10W Tantalum Alloy Fasteners?
Share your required grade, UNS designation, dimensions, thread specification, quantity and drawing, if available. We can review your requirements and provide a suitable supply solution for your application.
Frequently Asked Questions About Tantalum Fasteners
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