| Product name | ASTM B392 B393 High Purity Niobium Rod Niobium Bar with Best Price |
| Purity | Nb ≥99.95% |
| Grade | R04200, R04210, R04251, R04261, Nb1, Nb2 |
| Standard | ASTM B392 |
| Size | Customized size |
| Melting point | 2468 degree centigrade |
| Boiling point | 4742 degree centigrade |
| Advantage | ♦ Low Density and High Specificate Strength♦ Excellent Corrosion Resistance |
| ♦ Good resistance to effect of heat | |
| ♦ Nonmagnetic and Non-toxic | |
| ♦ High melting point, good anti-corrosion, excellent super-conduction and other unique characteristics. |
| Chemical composition (%) | ||||||||||||
| Nb | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N | |
| Nb1 | Remainder | 0.004 | 0.002 | 0.002 | 0.004 | 0.004 | 0.002 | 0.07 | 0.015 | 0.005 | 0.0015 | 0.003 |
| Nb2 | Remainder | 0.02 | 0.02 | 0.005 | 0.02 | 0.02 | 0.005 | 0.15 | 0.03 | 0.01 | 0.0015 | 0.01 |
| Diameter(mm) | Tolerance of Diameter (mm) | Length (mm) | Tolerance of Length (mm) |
| 3.0-4.5 | ±0.05 | 200-1500 | +5 |
| >4.5-6.5 | ±0.10 | 200-1500 | |
| >6.5-10.0 | ±0.15 | 200-1500 | |
| >10-16 | ±0.20 | 200-2000 | <p+20 |
| >16-18 | ±1.0 | 200-2000 | |
| >18-25 | ±1.5 | 200-2000 | |
| >25-40 | ±2.0 | 200-2000 | |
| >40-50 | ±2.50 | 200-2000 | |
| >50-65 | ±3.00 | 200-2000 | |
| >65-150 | ±4.00 | 200-1000 |
| Grade | Tensile strength δbpsi (MPa), ≥ | Yield strength δ0.2, psi (MPa),≥ | Elongation in 1"/2" gage length, %, ≥ |
| RO4200-1
RO4210-2 |
18000 (125) | 12000 (85) | 25 |
♦ Electronic industry, Chemistry, Electronical, Pharmaceutical industry.
♦ Steel, Ceramics, Electronics, nuclear energy industries and superconductor technology.
♦ Super condouctous, metled cast ingots and alloying agents.
♦ Widely used in manufacturing various kinds of alloy steel, high temperature alloy, optical glass, cutting tool, superconducting materials and other industries.