Niobium plate
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Description
1. Introduction to niobium board
- Grade number: R04200, R04210
- Purity: ≥99.95%, 99.99%
- Standard: ASTM B393
- Density: 8.57g/cm3
- Status: hard, semi-hard, soft
2. Application fields of niobium plates
Superconducting industry, used to produce niobium foil, high-temperature furnace heat insulation screen, used to produce niobium welded pipes, and used to produce human implants.
3. Chemical composition of niobium plate:
| Chemical Constituents (%) | ||||||||||||
| Brand number | Main ingredients | Impurity content (≤) | ||||||||||
| Nb | Fe | And | In | W | Mo | Of | Facing | O | C | H | N | |
| Nb1 | Bal | 0.004 | 0.004 | 0.002 | 0.005 | 0.005 | 0.002 | 0.05 | 0.012 | 0.0035 | 0.0012 | 0.003 |
| Nb2 | Bal | 0.01 | 0.01 | 0.005 | 0.02 | 0.01 | 0.004 | 0.07 | 0.015 | 0.0050 | 0.0015 | 0.008 |
4. Mechanical properties of niobium plates:
| Brand number | Minimum tensile strength (MPa) | Minimum yield strength (MPa)
(0.2% residual deformation) |
Minimum elongation (%)
(25.4mm metering) |
| R04200，R04210 | 125 | 85 | 25 |
5. Niobium plate tolerance (mm ):
| thickness | Thickness tolerance | width | Width tolerance | length | Length tolerance |
| 0.1~0.2 | ±0.015 | 20～1000 | ±2.0 | 20～2000 | ±2.0 |
| 0.2～0.3 | ±0.02 | 20～1000 | ±2.0 | 20～2000 | ±2.0 |
| 0.3～0.5 | ±0.03 | 20～1000 | ±2.0 | 20～2000 | ±2.0 |
| 0.5～0.8 | ±0.04 | 20～1000 | ±2.0 | 20～2000 | ±2.0 |
| 0.8～1.0 | ±0.06 | 20～1000 | ±2.0 | 20～2000 | ±2.0 |
| 1.0～1.5 | ±0.08 | 20～1000 | ±1.0 | 20～2000 | ±1.0 |
| 1.5～2.0 | ±0.10 | 20～1000 | ±1.0 | 20～2000 | ±1.0 |
| 2.0～3.0 | ±0.12 | 20～1000 | ±1.0 | 20～2000 | ±1.0 |
| 3.0～5.0 | ±0.15 | 20～1000 | ±1.0 | 20～2000 | ±1.0 |
| 5.0～8.0 | ±0.18 | 20～1000 | ±1.0 | 20～2000 | ±1.0 |
| 8.0～12.0 | ±0.20 | 20～1000 | ±1.0 | 20～2000 | ±1.0 |
| 12.0～15.0 | ±0.50 | 20～1000 | ±1.0 | 20～2000 | ±1.0 |
| 15.0～2.0 | ±0.80 | 20～1000 | ±1.0 | 20～2000 | ±1.0 |
