devices niobium plate
Product Description
size 1.2*750*1110mm
extensive standard ASTM B521
melting point: 2468 degree centigrade
Boiling point: 4742 degree centigrade
density: 8.57 grams per cubic centimeter
Material: RO4200-1, RO4210-2
Product Features
1.Low Density and High Specificate Strength
2.Excellent Corrosion Resistance
3.Good resistance to effect of heat
4.high melting point, good anti-corrosion, excellent super-conduction and other unique characteristics,
5.widely used in manufacturing various kinds of alloy steel, high temperature alloy, optical glass, cutting tool, electronics and superconducting materials and other industries.
Chemical composition:
Chemistry %
|
Designation
|
Chief component
|
Impurities maximum
|
|
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
|
| | | | | | | | | | | | | |
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)
|
12000 (85)
|
25
|
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