ASTM B393 Niobium foils

pure Niobium foils and strips
Standard: ASTM B393
Grade: Nb1 Nb2
Dimension: Thk(0.02~25mm)*W(30~800mm)*L(30mm min)
Niobium Foil/Strip
Grade R04200-1 R04201-2A
Chemical Composition:Nb
Cold Processability:good
Different sizes are available
Melting point: 2468
Boiling point:4840
Size:Thk(0.02~25mm)*W(30~800mm)*L(30mm min)
Purity:≥99.95%(min) or Alloy.

Table 1. 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

































Table 2. Mechanical requirements (annealed condition)
Grade
Tensile strength δbpsi (MPa), ≥
Yield strength δ0.2, psi (MPa),≥
Elongation in 1"/2" gage length, %, ≥
>=0.010
<0.010
RO4200-1
RO4210-2
18000 (125)
12000 (85)
25
20