Unalloyed Tantalum UNS R05200 Sheet, Plate, Strip and Foil to ASTM B708
Dinesh Tube India supplies tantalum R05200 sheets, plates, strip and foil from Mumbai to chemical-equipment fabricators, glass-lined vessel repairers, and heat-exchanger, electronics and research buyers. UNS R05200 is unalloyed tantalum made from electron-beam or vacuum-arc melted ingot and supplied to ASTM B708 / ASME SB708. It is the grade most buyers mean by "tantalum sheet" or "tantalum plate".
R05200 gives tantalum's full corrosion resistance to hot hydrochloric, sulphuric and nitric acids, wet chlorine and bromine, and it is very ductile in the annealed condition, so it forms and welds easily. For other grades (R05400, Ta-2.5W, Ta-10W) and a full corrosion guide, see our tantalum sheets and plates page.
Tantalum R05200 vs Other Tantalum Grades
| Grade | UNS | How It Differs from R05200 | Choose It When |
|---|---|---|---|
| Unalloyed tantalum (this page) | R05200 | Electron-beam or vacuum-arc melted; lowest oxygen | Standard choice for corrosion service, linings and repair patches |
| Unalloyed tantalum | R05400 | Powder-metallurgy route; slightly higher oxygen allowed | Fine-grained sheet; similar corrosion resistance |
| Ta-2.5W | R05252 | About 2.5% tungsten; stronger | Extra strength with good formability |
| Ta-10W | R05255 | About 10% tungsten; two to three times stronger | Pressure parts and high-temperature service |
Tantalum R05200 Chemical Composition (ASTM B708, max %)
Typical B708 limits. Check the current ASTM B708 edition (B708-25) and the mill certificate for governing values.
Tantalum R05200 Mechanical Properties
Annealed R05200 is very soft and ductile. Minimums vary with thickness; confirm against ASTM B708 for your order.
Tantalum R05200 Physical Properties
Tantalum Sheet Weight Calculation
Tantalum is much heavier than steel, so check the weight before you order:
Weight (kg) = Length (m) × Width (m) × Thickness (mm) × 16.6
For example, a 1000 mm × 500 mm × 1 mm R05200 sheet weighs about 1 × 0.5 × 1 × 16.6 = 8.3 kg. The same sheet in steel would weigh about 3.9 kg.
Need tantalum R05200 sheet, plate or patches? Send the thickness, sizes or drawing, quantity and process media to kamlesh@dineshtube-india.com or call +91 83559 10913. You can also send an enquiry.
Working with R05200
Tantalum R05200 Sheet & Plate Applications
Tantalum R05200 Sheets & Plates: FAQs
What is tantalum UNS R05200?
UNS R05200 is unalloyed tantalum made from electron-beam or vacuum-arc melted ingot. It is the standard grade for tantalum sheet, plate, strip and foil to ASTM B708 / ASME SB708, with a tantalum content of about 99.9% or more.
What is the difference between R05200 and R05400?
Both are unalloyed tantalum with similar corrosion resistance. R05200 is made from melted ingot, while R05400 is made by powder metallurgy and allows slightly higher oxygen. R05200 is the usual choice for corrosion service.
Is R05200 strong enough for pressure parts?
Annealed R05200 is soft, with a minimum tensile strength of about 172–207 MPa. It is mostly used as linings, patches, clad plate and thin-walled parts. Where more strength is needed, Ta-2.5W (R05252) or Ta-10W (R05255) is used instead.
What is the density of tantalum R05200?
About 16.6 g/cm³, roughly twice the density of steel. A 1000 × 500 × 1 mm sheet weighs about 8.3 kg.
What is the price of tantalum R05200 plate?
Tantalum is one of the most expensive engineering metals. The price depends on thickness, size, quantity and current metal prices. Send your requirement to kamlesh@dineshtube-india.com or call +91 83559 10913 for a current quote.
Can you cut R05200 sheet to size or supply discs and patches?
Yes. R05200 can be supplied as full sheets or cut to size as blanks, discs and patches for glass-lined vessel repair. Send your drawing or sizes with the enquiry.
Which certificates come with R05200 sheets and plates?
Every supply comes with an EN 10204 3.1 mill test certificate showing lot number, chemical analysis and mechanical properties to ASTM B708. EN 10204 3.2 certificates and third-party inspection can be arranged on request.
Export Destinations for Tantalum R05200 Sheets & Plates
We supply tantalum R05200 sheets and plates across India, including pharmaceutical and chemical clusters in Gujarat, Maharashtra, Telangana and Andhra Pradesh, and export to the Middle East (UAE, Saudi Arabia, Qatar, Oman), South and South-East Asia (Bangladesh, Sri Lanka, Singapore, Malaysia, Vietnam, Laos), Africa (Egypt, South Africa) and Europe on request.