Product Description
Product Name | niobium plates |
Material | Pure niobium |
Grade | RO4200.RO4210,R04251,R04261 |
Standard | ASTM B392 |
Surface | Polished |
Characteristic | Melting point : 2468℃ / Boiling point : 4744℃ |
Density | 8.6 g/cm3 |
Product Features | Excellent Corrosion Resistance , Good resistance to effect of heat |
TABLE 1. Chemical Requirements:
Content, Max, Weight % | ||||
Element | Grand: R04200 | Grand:R04210 | Grand:R04251 | Grand:R04261 |
Unalloyed Niobium | Unalloyed Niobium | (Reactor grade niobium-1% Zirconium) | (Commercial grade niobium-1% Zirconium) | |
C | 0.01 | 0.01 | 0.01 | 0.01 |
O | 0.015 | 0.025 | 0.015 | 0.025 |
N | 0.01 | 0.01 | 0.01 | 0.01 |
H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
Fe | 0.005 | 0.01 | 0.005 | 0.01 |
Mo | 0.01 | 0.02 | 0.01 | 0.05 |
Ta | 0.1 | 0.3 | 0.1 | 0.5 |
Ni | 0.005 | 0.005 | 0.005 | 0.005 |
Si | 0.005 | 0.005 | 0.005 | 0.005 |
Ti | 0.02 | 0.03 | 0.02 | 0.03 |
W | 0.03 | 0.05 | 0.03 | 0.05 |
Zr | 0.02 | 0.02 | 0.8~1.2 | 0.8~1.2 |
Nb | Remainder | Remainder | Remainder | Remainder |
TABLE 2.Mechanical Requirements:
| Grade(UNS) | Annealed | ||
| Tensile strength min, psi (MPa) | Yield strength min,psi (MPa)(2%) | Elongation min, % (1 inch gage length) | |
| R04200, R04210 | 18000 (125) | 10500 (73) | 15~20 |
| R04251, R04261 | 28000 (195) | 18000 (125) | 15~20 |
| R04220(RRR grade) | 14000 (95) | 7200 (50) | 30 |
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Baoji chengyi of non-ferrous metal co. LTD
- Phone: +86 0917-3136516
- Business Type: Manufacturer
- Location: China
- Main Products: non-ferrous metal
- Total Employees:Less than 100 people
- Year Established:
- Export Markets:
- Total Annual Revenue:
