Tantalum Foil 99.95%(3N5) - 99.99%(4N) Purity , ASTM B708-05
Specifications
Application: Anti-corrosion materials for chemical vessels, ships and engineering industry
Grade:RO5200,RO5400
Purity:99.95%(3N5) - 99.99%(4N)
Manufacturing standard: ASTM B708-05, GB/T 3629-2006
Metallic impurities, ppm max by weight, Balance - Tantalum
|
Element
|
Fe
|
Mo
|
Nb
|
Ni
|
Si
|
Ti
|
W
|
|
RO5200
|
100
|
200
|
1000
|
100
|
50
|
100
|
500
|
|
RO5400
|
100
|
200
|
1000
|
100
|
50
|
100
|
500
|
Non-Metallic impurities, ppm max by weight
|
Element
|
C
|
H
|
O
|
N
|
|
RO5200
|
200
|
15
|
250
|
100
|
|
RO5400
|
200
|
15
|
350
|
100
|
Mechanical properties for annealed plate and sheet
|
Thickness (inch)
|
<0.06
|
≥0.06
|
|
Annealed
|
Ultimate Tensile Strength min(MPa)
|
207
|
172
|
|
Yield strength min (Mpa, 2% offeset)
|
138
|
103
|
|
Elongation min (%, 1-in gage length)
|
20
|
30
|
Dimensional tolerance for tantalum sheets and plates
|
Thickness Range
(mm)
|
Thickness Tolerance (±mm)
|
Thickness Tolerance (Slit technology) (±mm)
|
Length Torerance after trimming(±mm)
|
|
W<152.4
|
152.4≤W<609.6
|
W<152.4
|
152.4≤W<609.6
|
L≤340.8
|
L>340.8
|
|
+
|
-
|
+
|
-
|
|
0.129-0.254
|
0.0127
|
-
|
0.305
|
-
|
1.59
|
0
|
6.35
|
0
|
|
0.279-0.381
|
0.0178
|
0.0254
|
0.381
|
0.381
|
1.59
|
0
|
6.35
|
0
|
|
0.406-0.508
|
0.0203
|
0.0381
|
0.381
|
0.381
|
1.59
|
0
|
6.35
|
0
|
|
0.533-0.762
|
0.0381
|
0.0635
|
0.508
|
0.635
|
1.59
|
0
|
6.35
|
0
|
|
0.787-1.524
|
0.0635
|
0.0889
|
0.635
|
0.762
|
1.59
|
0
|
6.35
|
0
|
|
1.549-2.286
|
0.1016
|
0.1270
|
0.635
|
0.889
|
1.59
|
0
|
6.35
|
0
|
|
