Rupal Metals is a well-known Delhi-based manufacturer and supplier of premium quality Tantalum R05400 Bars and Rods to serve the requirements of sophisticated industrial applications. Backed by robust focus on precision engineering and quality control, the company offers products that are in accordance with international standards. Being well-recognized for their industry expertise in non-ferrous metals, Rupal Metals serves many industry verticals such as aerospace, chemical processing, and electronics. Their R05400 Tantalum Bars and Rods are well known for being corrosion resistant, pure, and durable and hence Rupal Metals a name relied upon within the metal supplies sector.
R05400 Tantalum Bars and Rods consist mainly of 99.9% minimum purity of high-purity tantalum. This alloy possesses excellent corrosion resistance and thermal stability. It possesses a high melting point ranging around 2996°C as well as a density of 16.6 g/cm³. Mechanical properties are tensile strength of around 207 MPa, yield strength of around 138 MPa, and elongation rate of about 30%. These properties allow it to be used in severe environments of high temperatures and aggressive chemical exposure, providing performance and durability in critical applications.
| Specification | ASTM B365, ASME SB365 |
| Tantalum Bar Form | Tantalum Round, Hex, Flat, Half Round, Oval, Rectangular in Black & Bright Finish |
| Tantalum Round Bar Diameter | 0.125″ (3.18mm)~2.5″ (63.5mm) |
| Length | 2-12m |
| Purity | ≥99.95% or 99.99% |
| Tantalum Round Bar Length | 1-12m, Random, Fix & Cut Length or as per clients’ requirement |
| Tantalum | C | O | N | H | Nb | Fe | Ti | W | Mo | Si | Ni | Ta |
| R05400 | 0.010 | 0.03 | 0.010 | 0.0015 | 0.100 | 0.010 | 0.010 | 0.050 | 0.020 | 0.005 | 0.010 | Remainder |
| Tantalum Alloy Rods & Bars Mechanical Property | ||||
| Grade | Tensile strength “>, psi (MPa), ≥ | Yield strength “>, psi (MPa), ≥ | Elongation in 1 inch gage length, %, ≥ | |
| RO5400 | 25000 (172) | 15000 (103) | 25 | |
| 3/16” (4.76mm) | 25mm | 2.1/2” (63.5mm) |
| ¼” (6.35mm) | 1” (25.4mm) | 2.3/4” (69.85mm) |
| 5/16” (7.94mm) | 1.1/8” (28.58mm) | 3” (76.2mm) |
| 3/8” (9.53mm) | 30mm | 3.1/4” (82.55mm) |
| 10mm | 1.1/4” (31.75mm) | 3.1/2” (88.9mm) |
| 12mm | 1.3/8” (34.93mm) | 4” (101.6mm) |
| ½” (12.7mm) | 1.1/2” (38.1mm) | 4.1/2” (114.3mm) |
| 15mm | 40mm | 5” (127mm) |
| 5/8” (15.88mm) | 1.3/4” (44.45mm) | 5.1/2” (139.7mm) |
| ¾” (19.05mm) | 2” (50.8mm) | 6” (152.4mm) |
| 20mm | 2.1/8” (53.98mm) | 7” (177.8mm) |
| 7/8” (22.23mm) | 2.1/4” (57.15mm) | 8” (203.2mm) |
| Size | Kgs / Foot | Kgs / Mtr | Size | Kgs / Foot | Kgs / Mtr | Size | Kgs / Foot | Kgs / Mtr |
|---|---|---|---|---|---|---|---|---|
| 3mm | 0.017 | 0.055 | 20mm | 0.753 | 2.470 | 3″ | 10.900 | 35.762 |
| 1/8″ | 0.019 | 0.062 | 22mm | 0.908 | 2.979 | 3-1/4″ | 12.800 | 41.996 |
| 5/32″ | 0.029 | 0.095 | 7/8″ | 0.926 | 3.038 | 3-1/2″ | 14.850 | 48.772 |
| 4mm | 0.030 | 0.098 | 24mm | 1.080 | 3.543 | 3-3/4″ | 17.001 | 55.780 |
| 3/16″ | 0.043 | 0.141 | 25mm | 1.180 | 3.871 | 4″ | 19.306 | 63.340 |
| 5mm | 0.047 | 0.154 | 1″ | 1.210 | 3.970 | 4-1/4″ | 21.908 | 72.249 |
| 7/32″ | 0.058 | 0.190 | 26mm | 1.271 | 4.170 | 4-1/2″ | 24.4487 | 80.340 |
| 6mm | 0.068 | 0.223 | 27mm | 1.368 | 4.490 | 4-3/4″ | 27.366 | 90.249 |
| 1/4″ | 0.076 | 0.249 | 1-1/8″ | 1.534 | 5.033 | 5″ | 30.461 | 99.940 |
| 7mm | 0.091 | 0.298 | 30mm | 1.691 | 5.548 | 5-1/2″ | 36.690 | 121.000 |
| 5/16″ | 0.118 | 0.387 | 1-1/4″ | 1.924 | 6.349 | 6″ | 43.860 | 143.900 |
| 8mm | 0.120 | 0.398 | 32mm | 1.894 | 6.314 | 6-1/2″ | 51.093 | 167.630 |
| 9mm | 0.152 | 0.498 | 1-3/8″ | 2.303 | 7.550 | 7″ | 59.432 | 196.000 |
| 3/8″ | 0.170 | 0.557 | 35mm | 2.390 | 7.553 | 7-1/2″ | 68.226 | 225.000 |
| 10mm | 0.189 | 0.620 | 36mm | 2.438 | 7.999 | 8″ | 77.586 | 254.55 |
| 11mm | 0.228 | 0.748 | 38mm | 2.792 | 8.903 | 10″ | 121.048 | 397.140 |
| 7/16″ | 0.232 | 0.761 | 1-1/2″ | 2.715 | 8.951 | |||
| 12mm | 0.271 | 0.889 | 40mm | 3.009 | 9.872 | |||
| 1/2″ | 0.303 | 0.994 | 1-5/8″ | 3.200 | 10.449 | |||
| 13mm | 0.318 | 1.043 | 1-3/4″ | 3.712 | 12.179 | |||
| 14mm | 0.368 | 1.207 | 45mm | 3.807 | 12.555 | |||
| 9/16″ | 0.383 | 1.256 | 1-7/8″ | 4.260 | 13.977 | |||
| 15mm | 0.424 | 1.391 | 48mm | 4.330 | 14.205 | |||
| 5/8″ | 0.473 | 1.551 | 50mm | 4.698 | 15.414 | |||
| 16mm | 0.481 | 1.578 | 2″ | 4.848 | 15.906 | |||
| 17mm | 0.543 | 1.791 | 2-1/8″ | 5.475 | 17.963 | |||
| 11/16″ | 0.573 | 1.880 | 2-1/4″ | 6.135 | 20.128 | |||
| 18mm | 0.610 | 2.001 | 60mm | 6.768 | 22.205 | |||
| 3/4″ | 0.682 | 2.237 | 2-3/8″ | 6.838 | 22.435 | |||
| 2-1/2″ | 7.576 | 24.856 | ||||||
| 2-5/8″ | 8.354 | 27.409 | ||||||
| 2-3/4″ | 9.169 | 30.083 |
Store Tantalum R05400 bars and rods in a clean, dry environment away from moisture and corrosive substances. Use protective covers or packaging to prevent contamination, scratches, or physical damage during storage.
Tantalum R05400 can withstand extremely high temperatures, up to approximately 3,000°C (5,432°F) in a vacuum or inert atmosphere. Its excellent heat resistance makes it ideal for high-temperature applications.
The surface finish of Tantalum R05400 bars and rods is typically smooth, polished, or matte, depending on the manufacturing process. High precision and uniformity ensure excellent quality for industrial applications.
Tantalum R05400 Bars and Rods find extensive application in industries that need the material with outstanding resistance to corrosion and high-temperature conditions. In the chemical processing sector, they find application in equipment like heat exchangers, reactors, and piping systems that are exposed to abrasive acids. Tantalum is used in the electronics sector for capacitors and semiconductor devices because of its stability and conductivity. In defense and aerospace, it is prized for its resistance at extreme conditions. Also, its biocompatibility ensures it is suitable for medical implants and surgical devices, maintaining safety and reliability in medical use.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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