Tantalum seamless tube、tantalum tungsten alloy tube seamless(Ta-2.5W,Ta-10W)
Material: RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W)
Standard(specification): diameter: Ф2.0-100mm
Thickness: 0.2-5.0mm (tolerance: ±5%)
Length: 100mm-6000mm
Carried Standard:ASTM B521
Ingredient declarations:
Composition,%
|
Material
|
Main composition
|
Impurities maxmium
|
Ta
|
Nb
|
Fe
|
Si
|
Ni
|
W
|
Mo
|
Ti
|
Nb
|
O
|
C
|
H
|
N
|
Ta1
|
surplus
|
—
|
0.005
|
0.005
|
0.002
|
0.01
|
0.01
|
0.002
|
0.03
|
0.015
|
0.01
|
0.0015
|
0.01
|
Ta2
|
surplus
|
—
|
0.03
|
0.02
|
0.005
|
0.04
|
0.03
|
0.005
|
0.1
|
0.02
|
0.01
|
0.0015
|
0.01
|
TaNb3
|
surplus
|
<3.5
|
0.03
|
0.03
|
0.005
|
0.04
|
0.03
|
0.005
|
——
|
0.02
|
0.01
|
0.0015
|
0.01
|
TaNb20
|
surplus
|
17.0~23.0
|
0.03
|
0.03
|
0.005
|
0.04
|
0.03
|
0.005
|
——
|
0.02
|
0.01
|
0.0015
|
0.01
|
Ta2.5W
|
surplus
|
|
0.005
|
0.005
|
0.002
|
3.0
|
0.01
|
0.002
|
0.04
|
0.015
|
0.01
|
0.0015
|
0.01
|
Ta10W
|
surplus
|
|
0.005
|
0.005
|
0.002
|
11
|
0.01
|
0.002
|
0.04
|
0.015
|
0.01
|
0.0015
|
0.01
|
If users have special requirements, both sides can discuss.
|
TABLE 1: Permissible Variation In External Diameter And Wall Thickness
External diameter,inch(mm)
|
permissible variation in external diameter, inch(mm), +/-
|
permissible variation in wall thickness, %, +/-
|
<1 (25.4)
|
0.004 (0.102)
|
5
|
1~1.5 (25.4~38.1)
|
0.005 (0.127)
|
5
|
1.5~2 (38.1~50.8)
|
0.006 (0.152)
|
5
|
2~2.5 (50.8~63.5)
|
0.007 (0.178)
|
5
|
2.5~3.5 (63.5~88.9)
|
0.008 (0.254)
|
5
|
|