ASTM B392-98 0.5mm Niobium Wire
Specifications
Niobium wires:
Material:RO4200-1, RO4210-2A
Dia:0.5mm
Standard:As per ASTM B392-98
Purity:>=99.9% or 99.95%
Niobium wires:
Material: RO4200-1, RO4210-2A
Dia:0.25mm
Standard: As per ASTM B392-98
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 | |||
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 |
|
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