LuminaTitanium provides high – performance Niobium Tube/Pipe, engineered to ASTM B394 standards. With customizable specs (forms, sizes, surfaces) and excellent high – temp strength, our tubes suit steel, ceramics, electronics, and superconductor industries.
| Parameter | Details | Why It Works for You |
| Materials | R04200, R04210, R04251, R04261 | Ensures consistent high – temp resistance and mechanical stability. |
| Standard | ASTM B394 | Aligns with global industrial quality—ensures reliability in critical applications. |
| In Form | Round, Square, Coil, U shape | Adapts to structural, heat exchanger, and precision industrial needs. |
| Size | Customizable (per drawings) | Matches exact project specs—no secondary processing hassle. |
| Length | Standard & Cut Length | Fits production line or installation requirements—reduces waste. |
| Surface | Polished or Customizable | Suits aesthetic and functional needs (corrosion resistance, smoothness). |
| Packing | Seaworthy Wooden Case | Protects tubes during transit, ideal for international shipping. |
| Technique | Niobium Welded Tube, Niobium Seamless Tube | Provides flexibility (seamless for high – pressure; welded for cost – efficiency). |
| Property | Value |
| Density | 8.57 g/cm³ |
| Melting Point | 2468 °C |
| Boiling Point | 4742 °C |
| Thermal Conductivity | 0.537 W/cm·K @ 298.2 K |
| Electrical Resistivity | 12.5 microhm – cm @ °C |
| Electronegativity | 1.6 Paulings |
| Specific Heat | 0.064 Cal/g·K @ 25 °C |
| Heat of Fusion | 6.5 Cal/g·mole |
| Grade | Chief (Nb) | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N |
| Nb 1 | Remainder | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.07 | 0.010 | 0.004 | 0.0012 | 0.002 |
| Nb 2 | Remainder | 0.005 | 0.005 | 0.005 | 0.01 | 0.01 | 0.004 | 0.10 | 0.015 | 0.01 | 0.0015 | 0.01 |
| Grade (UNS) | Tensile Strength min. (psi/MPa) | Yield Strength min. (psi/MPa) | Elongation min. (%) |
| R04200 | 18000 (125) | 10500 (73) | 25 |
| R04210 Welded | 18000 (125) | 8500 (59) | 25 |
| R04210 Seamless | 18000 (125) | 10500 (73) | 25 |
| R04251 | 28000 (195) | 18000 (125) | 20 |
| R04261 | 28000 (195) | 18000 (125) | 20 |