ASTMB392 niobium ring
GENERAL PROPERTIES
|
Symbol: |
Nb |
|
Atomic Number: |
41 |
|
Atomic Weight: |
92.9064 |
|
Density: |
8.57 gm/cc |
|
Melting Point: |
2468 oC |
|
Boiling Point: |
4742 oC |
|
Thermal Conductivity: |
0.537 W/cm/K @ 298.2 K |
|
Electrical Resistivity: |
12.5 microhm-cm @ 0 oC |
|
Electronegativity: |
1.6 Paulings |
|
Specific Heat: |
0.064 Cal/g/K @ 25 oC |
|
Heat of Vaporization: |
- |
|
Heat of Fusion: |
6.5 Cal/gm mole |
Niobium ring
Material: RO4200-1, RO4210-2
Size: OD120mm ID 90mm H12mm
We could produce acoording to your requirement
Purity: >=99.9% or 99.95%
Table 1. Mechanical requirements (annealed condition)
|
Grade |
Tensile strength δbpsi (MPa), ≥ |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length, %, ≥ |
|
RO4200-1 RO4210-2 |
18000 (125) |
10500 (73) |
25
|
|
Special requirements to be agreed on by the supplier and buyer of negotiations |
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Table.2 Chemical composition:
|
Chemistry % |
|||||||||||||
|
Designation |
Chief component |
Impurities maxmium |
|||||||||||
|
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
||
|
Nb1 |
Remainder |
0.004 |
0.003 |
0.002 |
0.004 |
0.004 |
0.002 |
0.07 |
0.015 |
0.004 |
0.0015 |
0.002 |
|
|
Nb2 |
Remainder |
0.02 |
0.02 |
0.005 |
0.02 |
0.02 |
0.005 |
0.15 |
0.03 |
0.01 |
0.0015 |
0.01 |
|
|
Special requirements to be agreed on by the supplier and buyer of negotiations |
Please contact us for more details.
Olivia Liu
Baoji Yunjie Metal Production Co., Ltd.
T: 86 917 3388750
F: 86 917 3373344
Mob/Whatsapp: +86 15771684166
QQ: 2911147640
Wexin: 15771684166
E: Olivialiu_YJ(at)outlook.com shlingliu(at)hotmail.com
W: http://www.yj-ql.com.cn
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