Niobium Tube, Niobium Pipe, Niobium Zirconium Tube (Nb1%Zr tube)
|
Standard |
ASTM B 394 |
|
Grade |
RO4200 (pure Niobium ) |
|
RO4210 (Nb1%Zr) |
|
|
Outer Diameter |
1.0-150mm |
|
Wall Diameter |
0.2- 10mm |
|
Purity |
≥99.9%? and ≥99.95% |
Niobium Tube Chemical composition
|
Chemistry PPM |
||||||||||||
|
Designation |
Chief component |
Impurities maxmium |
||||||||||
|
Nb |
Ta |
Si |
Ni |
W |
Mo |
Ti |
Fe |
O |
C |
H |
N |
|
|
Nb1 |
Remainder |
700 |
50 |
50 |
50 |
30 |
20 |
50 |
150 |
40 |
15 |
30 |
|
Nb2 |
Remainder |
1000 |
80 |
40 |
100 |
100 |
40 |
80 |
180 |
60 |
15 |
50 |
|
Grade |
Tensile strength? δb psi (MPa), ≥ |
Yield strength??δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length, %, ≥ |
|
RO4200-1 |
18000 (125) |
12000 (85) |
25 |
|
RO4210-2 |
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