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Focused on small-OD tantalum capillary tubes, thin-wall custom tantalum tubing, and corrosion-resistant tantalum tubes and pipes made to drawing.
MetalsTek supplies tantalum capillary tubes, small-diameter tantalum tubes, standard tantalum tubes, tantalum pipes, seamless tantalum tubes, welded tantalum tubes, and custom cut-to-length tantalum tubing according to OD, ID, wall thickness, length, tolerance, grade, surface condition, and application requirements.
Small-diameter tantalum tubing used where fine OD, thin wall, corrosion resistance, and precision cut length are required. Small-OD and thin-wall dimensions should be reviewed according to drawing.
Typical Uses: X-ray tube components, precision instruments, marker components, laboratory systems, capacitor-related parts, semiconductor tools, vacuum systems
Custom tantalum tubing with controlled OD, ID, wall thickness, straightness, and cut length. Suitable for precision assemblies where standard tubing is too large or where tight dimensional control is required.
Typical Uses: Semiconductor tools, vacuum systems, sensor parts, precision sleeves, high-temperature assemblies, special instruments
General tantalum tubing supplied in custom OD, wall thickness, and length. Seamless or welded construction can be reviewed based on size, wall thickness, application, and project requirements.
Typical Uses: Chemical equipment, heat exchangers, condensers, vacuum furnace parts, laboratory devices, corrosion-resistant components
Typical Feature:
Larger tantalum tubular product used for corrosion-resistant fluid handling and process equipment. Tantalum pipes are typically reviewed by OD, wall thickness, pipe size, construction method, and project drawing.
Typical Uses: Acid lines, dip tubes, reaction systems, process piping, chemical equipment, corrosive media handling
Tantalum tube without a longitudinal weld seam, suitable where weld-free construction, purity, corrosion-service reliability, or vacuum compatibility is preferred.
Typical Uses: High-purity systems, corrosion service, vacuum components, precision tubing, demanding chemical environments
Tantalum tube formed and welded from tantalum strip or sheet. Welded tantalum tubing is often reviewed for larger OD, longer length, fabricated equipment, or selected thin-wall requirements.
Typical Uses: Larger tube sizes, fabricated equipment, corrosion-resistant process components, custom chemical equipment
Item | Typical Range / Options |
|---|---|
Material | Pure tantalum, tantalum alloy |
Common Grades | R05200, R05400, R05252 / Ta-2.5W, R05255 / Ta-10W, R05240 / Ta-40Nb |
Standard | ASTM B521 / ASME SB-521 / customer specification |
Product Forms | Capillary tube, small-diameter tube, standard tube, pipe, seamless tube, welded tube, cut-to-length tubing |
Outer Diameter | Custom small OD; fine capillary sizes reviewed by drawing |
Inner Diameter | Customized according to OD, wall thickness, tolerance, and application |
Wall Thickness | Thin-wall capability reviewed by size, tolerance, and manufacturability |
Length | Straight length, short cut pieces, capillary sections, or custom cut-to-length |
Construction | Seamless / welded / no preference, depending on size and application |
Tolerance | OD, ID, wall thickness, length, straightness, roundness, and concentricity can be reviewed |
Surface Condition | As-drawn, annealed, polished, cleaned, pickled, or project-specific |
End Condition | Cut, deburred, chamfered, smooth-ended, or as required |
Packaging | Protective tube, sealed bag, vacuum bag, box, or wooden crate depending on product size |
For fine tantalum capillary tubes, please send your drawing or specify OD, ID, wall thickness, length, tolerance, quantity, surface condition, and application. Small-OD and thin-wall tantalum tubing requires a manufacturability review before quotation.
Send us your drawing, OD, ID, wall thickness, length, tolerance, quantity, and application details. Our team can review tantalum capillary manufacturability before quotation.
Grade / Standard | Description | Typical Use |
|---|---|---|
ASTM B521 | Standard specification for tantalum and tantalum alloy seamless and welded tubes. | Technical reference for tantalum tube, tantalum capillary tube, seamless tube, welded tube, and custom tubing orders |
R05200 | Unalloyed tantalum, vacuum melted. | High-purity tube, precision tubing, corrosion-resistant components |
R05400 | Unalloyed tantalum, powder-metallurgy consolidation. | General tantalum tubing, chemical-service tube, standard tube |
R05252 / Ta-2.5W | Tantalum alloy containing about 2.5% tungsten. | Higher-strength tantalum alloy tube and special service tubing |
R05255 / Ta-10W | Tantalum alloy containing about 10% tungsten. | Higher-strength components and demanding service conditions |
R05240 / Ta-40Nb | Tantalum-niobium alloy containing about 60% Ta and 40% Nb. | Special alloy tube applications and custom Ta-Nb tubing |
Grade selection should be confirmed according to drawing, operating conditions, corrosion environment, temperature, mechanical requirement, and documentation requirement.
For tantalum capillary tubes, the key challenge is not only making the tube small, but keeping OD, ID, wall thickness, straightness, end quality, and cleanliness stable at the same time.
Maintaining precise small outer diameters requires strict drawing control and stable processing. For very small OD tantalum capillary tubes, minor variation can affect assembly fit, sealing, and positioning.
Thin-wall tantalum tubing is difficult to produce without wrinkles, cracks, ovality, or deformation. Wall thickness must be reviewed together with OD, ID, tube length, tolerance, and final use.
ID control becomes more difficult as OD decreases and wall thickness becomes thinner. For applications involving flow, insertion, wire passing, sleeves, or precision positioning, ID tolerance should be clearly specified.
Long, thin tantalum capillary tubes are prone to bending and ovality during drawing, cutting, handling, and shipment. Straightness and roundness requirements should be confirmed before production.
Clean surface and controlled handling are important for vacuum, semiconductor, laboratory, and high-purity applications. Inner surface cleaning may be required for small-ID tantalum capillary tubes.
Precision cutting, deburring, and careful packaging are required to avoid deformation, burrs, surface damage, and contamination. Thin-wall tantalum tubes should be packed with proper protection for international shipment.
MetalsTek has supplied custom tantalum capillary tubes and small-diameter tantalum tubing for precision applications. These actual product photos show small-OD tantalum tubes made according to customer drawings, with controlled dimensions, clean cutting, and careful handling.
Custom ø0.71mm small-OD tantalum capillary tubes produced according to customer drawing.
For custom tantalum capillary tubes, manufacturability depends on OD, ID, wall thickness, length, tolerance, straightness, surface condition, and final application. Please send your drawing or detailed size requirements for technical review.
Typical review points include:
Send us your drawing, OD, ID, wall thickness, length, tolerance, quantity, and application details. Our team can review tantalum capillary manufacturability before quotation.
Tantalum capillary tubes can be used in X-ray tube-related components where high density, high melting point, dimensional stability, and reliable refractory metal performance are required.
Typical Products: Tantalum capillary tube, small tantalum tube, short-cut tantalum sections
Key Requirements: Small OD, clean surface, cut-length accuracy, and burr control
RFQ Information: OD, ID, wall thickness, length, tolerance, quantity, and drawing
Tantalum tubing may be used in capacitor-related and electronic assemblies where tantalum compatibility, stable material behavior, and small precision tube geometry are required.
Typical Products: Tantalum capillary tube, small-diameter tantalum tube, and custom tantalum parts
Key Requirements: Material purity, clean surface, and dimensional consistency
RFQ Information: Grade, size, surface condition, quantity, and application
Tantalum offers strong corrosion resistance in many aggressive chemical environments, making small tantalum tubes suitable for laboratory and research systems involving corrosive media.
Typical Products: Tantalum capillary tube, tantalum tube, tantalum pipe, and custom-cut tubing
Key Requirements: Corrosion resistance, chemical compatibility, clean surface, and custom dimensions
RFQ Information: Chemical media, concentration, temperature, pressure, OD, ID, and wall thickness
Tantalum tubes and pipes are widely reviewed for chemical processing equipment where severe corrosion resistance is required. Common uses include acid lines, dip tubes, process piping, reaction systems, valves, and corrosion-resistant replacement components.
Typical Products: Tantalum tube, tantalum pipe, welded tantalum tube, and fabricated tantalum parts
Key Requirements: Corrosion resistance, wall thickness, construction method, and service-condition review
RFQ Information: Chemical media, concentration, temperature, pressure, drawing, and inspection requirement
Tantalum tubing can be used in heat exchanger tubes, condenser tubes, overhead condensers, heating coils, cooling coils, and corrosive thermal-process equipment.
Typical Products: Tantalum tube, seamless tantalum tube, welded tantalum tube, and tantalum pipe
Key Requirements: Corrosion resistance, tube length, wall thickness, leak-tightness, and documentation
RFQ Information: OD, wall thickness, length, quantity, standard, and inspection requirement
Tantalum tubing can be used in vacuum systems and high-temperature vacuum components where clean refractory metal tubing, stable performance, and low contamination risk are important.
Typical Products: Tantalum capillary tube, small tantalum tube, tantalum sleeve, and custom tantalum tube
Key Requirements: Vacuum compatibility, clean surface, dimensional control, and stable high-temperature performance
RFQ Information: Operating temperature, atmosphere, size, tolerance, and drawing
For semiconductor, thin-film, and deposition-related equipment, tantalum capillaries and custom tantalum tubes may be selected where high-purity refractory metal tubing, dimensional stability, and clean material performance are important.
Typical Products: Tantalum capillary tube, small tantalum tube, and custom-cut tantalum tubing
Key Requirements: High purity, low contamination risk, clean surface, and dimensional consistency
RFQ Information: Application environment, cleaning requirement, size, tolerance, and packaging
Small tantalum tubes are useful for high-temperature assemblies where corrosion resistance, thermal stability, and compact tube geometry are required. Atmosphere and oxidation conditions must be reviewed carefully.
Typical Products: Tantalum tube, tantalum capillary tube, thermocouple-related tube, sleeve, and support tube
Key Requirements: High melting point, dimensional stability, and atmosphere compatibility
RFQ Information: Operating temperature, atmosphere, exposure time, and drawing
| Feature | Tantalum Capillary Tube | Standard Tantalum Tube | Tantalum Pipe |
|---|---|---|---|
| Main Focus | Small OD, typically 0.2 – 9 mm, thin wall, precision cut length | General custom tubing, typically OD ≥ 6.0mm | Larger fluid handling and process equipment |
| Size Reference | Fine OD, ID, wall thickness, with tight tolerance | OD, ID, wall thickness, length, standard tolerance | Pipe size, OD, wall thickness, standard tolerance, project drawing |
| Key Requirements | OD/ID control, concentricity, straightness, burr control, cleaning | Grade, construction, wall thickness, length, tolerance | Corrosion service, pressure, welding, fabrication, inspection |
| Typical Applications | X-ray parts, precision devices, lab systems, semiconductor equipment | Vacuum parts, furnace parts, corrosion-resistant components | Acid lines, dip tubes, heat exchangers, condensers, chemical equipment |
| Quotation Basis | Drawing strongly recommended | Size and specification required | Project drawing and service condition required |
Option | Common Terms | Description |
|---|---|---|
Surface | As-drawn, annealed, polished, pickled, cleaned | Surface condition can be selected according to tube size, grade, wall thickness, manufacturing route, and application. |
Ends | Cut, deburred, chamfered, smooth ends | End condition can be specified when assembly, sealing, cleanliness, or marker-band use is important. |
Form | Straight tube, cut-to-length, short pieces, pipe sections | Tantalum tubing can be supplied as straight lengths, custom cut pieces, capillary sections, or fabricated pipe sections. |
Cleaning | Degreased, ultrasonic cleaned, clean packed | Cleaning requirements should be confirmed for vacuum, semiconductor, laboratory, chemical, or high-purity applications. |
Packaging | Protective tube, sealed bag, vacuum bag, box, wooden crate | Small-OD and thin-wall tantalum tubes should be packed to reduce bending, surface damage, contamination, and handling damage. |
We review your drawing, size requirement, tolerance, quantity, and application conditions before quotation.
Material grade, purity, standard, and supply form are confirmed according to technical requirements and availability.
Small-OD, thin-wall, tight tolerance, long length, and special surface requirements are reviewed for manufacturability.
Tantalum tubing is processed according to confirmed dimensions, tolerances, surface condition, and production route.
Dimensional inspection, material certificate, CoA, and project-specific inspection documents can be provided according to order requirements.
Thin-wall and small-diameter tantalum tubes are packed carefully to reduce bending, deformation, contamination, and surface damage during shipment.
You do not need to provide all details at the beginning. For a quick review, please send the drawing if available, or simply share the main size, quantity, and application. Our team can help confirm the remaining technical details.
If the application involves corrosive chemicals or high temperature, please also provide the chemical media, concentration, temperature, pressure, atmosphere, or exposure time when available.
Example 1 – Tantalum Capillary Tube
We need 200pcs custom tantalum capillary tubes for a precision assembly, drawing attached: OD 1.20 mm × ID 0.80 mm × Length 40 mm
Example 2 – Tantalum Tube for Chemical Use
Size: OD 25 mm × WT 1.5 mm × Length 1000 mm
Quantity: 5 pcs
Material: R05400 or equivalent
Application: acid handling system
Operating condition: hydrochloric acid, 20–30%, room temperature
Requirement: please advise seamless or welded option
Tantalum tubing is used in corrosion-resistant chemical equipment, heat exchanger tubes, condenser tubes, vacuum furnace parts, thermocouple-related tubes, X-ray components, capacitor-related assemblies, semiconductor equipment, and laboratory systems. It is selected when corrosion resistance, high melting point, high purity, density, or vacuum compatibility is required.
A tantalum capillary tube is a small-diameter tantalum tube used where fine OD, thin wall, precision cut length, and corrosion resistance are required. It is commonly reviewed for X-ray components, precision instruments, capacitor-related parts, laboratory systems, semiconductor tools, and vacuum equipment.
Tantalum tubing usually refers to smaller or precision tubular products specified by OD, ID, wall thickness, and length. Tantalum pipe usually refers to larger tubular products used for process piping, acid transfer, dip tubes, and chemical equipment. In RFQs, the exact OD, ID, wall thickness, pipe size, and drawing should be provided.
ASTM B521 is the standard specification for tantalum and tantalum alloy seamless and welded tubes. It covers unalloyed tantalum and tantalum alloy grades used for tantalum tube, tantalum capillary tube, seamless tube, welded tube, and custom tantalum tubing orders.
R05200 is unalloyed tantalum produced by vacuum melting. R05400 is unalloyed tantalum produced by powder-metallurgy consolidation. Both are pure tantalum grades used for tantalum tubing, but the preferred grade may depend on specification, processing route, documentation requirement, availability, and final application.
Ta-2.5W tantalum tubing refers to tantalum alloy tubing containing about 2.5% tungsten. In ASTM B521, this grade is listed as R05252. Compared with unalloyed tantalum, Ta-2.5W may be selected when higher strength is needed for special tube or equipment applications.
Tantalum has excellent resistance to hydrochloric acid under many conditions and is often selected for acid lines, dip tubes, condensers, and chemical processing components. Final suitability depends on hydrochloric acid concentration, temperature, impurities, fluoride content, flow condition, and exposure time.
Tantalum is commonly used in many sulfuric acid service conditions because of its strong acid corrosion resistance. It may be used for heat exchanger tubes, condenser tubes, dip tubes, and chemical process equipment. Concentration, temperature, oxidizing conditions, impurities, and free SO₃ content should be checked before selection.
Tantalum is generally not recommended for hydrofluoric acid, fluoride-containing media, free SO₃ / fuming sulfuric acid, or strong hot alkali conditions. Chemical compatibility should always be reviewed by acid type, concentration, temperature, impurities, pressure, and operating environment before selecting tantalum tubing.
Yes. Tantalum tubes can be supplied as seamless or welded tubes depending on size, wall thickness, construction requirement, and application. Welded tantalum tubes are made from flat-rolled tantalum product and welded into tubular form. Welding, inspection, and service suitability should be confirmed before quotation.
Yes. Tantalum capillary tubes can be custom made according to OD, ID, wall thickness, length, tolerance, surface condition, end condition, and drawing. Small-OD and thin-wall tantalum capillary tubing should be reviewed carefully because straightness, concentricity, burr control, cleaning, and packaging can affect final assembly.
For a custom tantalum tubing quote, provide product type, grade, standard, OD, ID, wall thickness, length, quantity, tolerance, construction, surface condition, end condition, cleaning requirement, application, and drawing. For chemical or high-temperature use, include media, concentration, temperature, pressure, atmosphere, and exposure time.
Tantalum tubing can be supplied with as-drawn, annealed, polished, cleaned, pickled, or project-specific surface conditions. The available finish depends on tube size, grade, wall thickness, manufacturing route, and application. Small-ID capillary tubes may require special cleaning or protective packaging for clean applications.
Tantalum tubing can be used in selected vacuum furnace or controlled-atmosphere applications because of its high melting point and vacuum compatibility. Typical uses include sleeves, supports, furnace tubes, protection tubes, and high-temperature test parts. Air exposure at elevated temperature should be reviewed carefully.
Tantalum may be suitable for semiconductor, thin-film, vacuum, and laboratory equipment where high purity, corrosion resistance, and clean refractory metal performance are required. Typical uses include vacuum system parts, deposition equipment parts, ion implanter components, test fixtures, and custom tube sections.
Send us your drawing, OD, ID, wall thickness, length, tolerance, quantity, grade, surface condition, and application details. MetalsTek can review manufacturability and provide custom tantalum tubing solutions based on your project requirements.