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Help CenterASTM B393 99.95% Thk0.9-25mm Niobium Plate
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Specifications
Niobium and Niobium plate:
Certificate: ISO,CE
Material: RO4200-1, RO4210-2
Diameter:1.0-100mm
Length:200mm-9000mm
Specification
Niobium and niobium plate
1.Material: RO4200-1, RO4210-2
2.The Size of niobium plate:
TK0.9-25mm*W<1200mm*L<1500mm
3.Standard: As per ASTM B394-98
4.Purity: >=99.9% or 99.95%
5. Table 1. Grade of Niobium plate
Grade |
Suplying state |
Diameter |
Lengtha |
Voluntary Standers |
|
Nb1 Nb2 Nb3 Nb4 |
Cold state(Y) Annealedb(M) |
3.0-6.5 >6.5-10.0 >10-18 |
>500 |
ASTM B392-03 |
|
Thermal processing state(R) Annealedb(M) |
>18-25 >25-40 >40-50 >50-65 |
|||
|
FNb1 FNb2 |
Thermal processing state(R) Annealedb(M) |
3.5-5.0 >5.0-12 |
>500 >300
|
|
NbHf10-1 |
Thermal processing state(R) Annealedb(M) |
20-80 |
500-2000 |
|
|
Note : the length of Annealing niobium plate being supplied is not greater than 2500mm.
| ||||
6. Table 2. Niobium plate Chemical PPM
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 |
0.01 |
0.004 |
0.0012 |
0.002 |
Nb2 |
Remainder |
0.005 |
0.005 |
0.005 |
0.01 |
0.01 |
0.004 |
0.1 |
0.015 |
0.01 |
0.0015 |
0.01 |
7.Table 3. Mechanical requirements of Niobium plate(annealed condition)
Grade |
Tensile strengthδbpsi (MPa),≥ |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length,%,≥ |
|
RO4200-1 RO4210-2 |
18000 (125) |
10500 (73) |
25
|
Special requirements of niobium plate to be agreed on by the supplier and buyer of negotiations | |||
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