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Product name | Wholesale High Purity 99.95% Niobium |
Purity | Nb ≥99.95% |
Grade | R04200, R04210, Nb1Zr (R04251 R04261), Nb10Zr, Nb-50Ti etc |
Shape | Plate/Sheet/Foil/Strip, round, block, cube, ingot etc. |
Size | Customized size |
Melting point | 2468℃ |
Boiling point | 4742℃ |
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. | |
Application | ♦ 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. |
Niobium and Niobium Alloys Sheet Chemical Composition | ||||||||
Element | Type1 (Reactor Grade Unalloyed Nb) R04200 | Type2 (Commercial Grade Unalloyed Nb) R04210 | Type3 (Reactor Grade Nb-1%Zr) R04251 | Type4 (Commercial Grade Nb-1%Zr) R04261 | ||||
Max Weight % (Except Where Otherwise Specified) | ||||||||
C | 0.01 | 0.01 | 0.01 | 0.01 | ||||
N | 0.01 | 0.01 | 0.01 | 0.01 | ||||
O | 0.015 | 0.025 | 0.015 | 0.025 | ||||
H | 0.0015 | 0.0015 | 0.0015 | 0.0015 | ||||
Zr | 0.02 | 0.02 | 0.8-1.2 | 0.8-1.2 | ||||
Ta | 0.1 | 0.3 | 0.1 | 0.5 | ||||
Fe | 0.005 | 0.01 | 0.005 | 0.01 | ||||
Si | 0.005 | 0.005 | 0.005 | 0.005 | ||||
W | 0.03 | 0.05 | 0.03 | 0.05 | ||||
Ni | 0.005 | 0.005 | 0.005 | 0.005 | ||||
Mo | 0.01 | 0.02 | 0.01 | 0.05 | ||||
Hf | 0.02 | 0.02 | 0.02 | 0.02 | ||||
Ti | 0.02 | 0.03 | 0.02 | 0.03 | ||||
Grade | Tensile strength δbpsi (MPa), ≥ | Yield strength δ0.2, psi (MPa),≥ | Elongation in 1"/2" gage length, %, ≥ |
RO4200-1 | 18000 (125) | 12000 (85) | 25 |
RO4210-2 |
Thickness | The allowable deviation thickness | Width | The allowable deviation Width | Length | ||
Width>120~300 | Width>300 | |||||
0.1~0.2 | ±0.015 | ±0.02 | >300~420 | ±2.0 | >100 | |
>0.2~0.3 | ±0.02 | ±0.03 | >200~420 | ±2.0 | >100 | |
>0.3~0.5 | ±0.03 | ±0.04 | >200~420 | ±2.0 | 50~3000 | |
>0.5~0.8 | ±0.04 | ±0.06 | >200~420 | ±2.0(±5.0) | 50~3000 | |
>0.8~1.0 | ±0.06 | ±0.08 | >200~420 | ±2.0(±5.0) | 50~3000 | |
>1.0~1.5 | ±0.08 | ±0.10 | >200~420 | ±3.0(±5.0) | 50~3000 | |
>1.5~2.0 | ±0.12 | ±0.14 | >200~420 | ±3.0(±5.0) | 50~3000 | |
>2.0~3.0 | ±0.16 | ±0.18 | >200~420 | ±5.0 | 50~3000 | |
>3.0~4.0 | ±0.18 | ±0.20 | >200~420 | ±5.0 | 50~3000 | |
>4.0~6.0 | ±0.20 | ±0.24 | >200~420 | ±5.0 | 50~3000 | |



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