With the features of high melting point, corrosion-resist, good machinability in a cold environment, tantalum, and tantalum alloy (Ta-2.5W、Ta-10W、Ta-40Nb) tubes are widely applied in the chemical industry, high-temperature technology field, and atomic energy industry to build reaction container, and heat exchanger, pipe, condenser, clip heater, helix loop, U-shape pipe, and thermocouple, and its protective pipe, liquid state metal container, and pipe.
Tantalum Tube Specifications
We can supply seamless or welding tantalum tubes and pipes with good quality. Below are most of the standard sizes. If you do not see the size of the tantalum tube that you require, please feel free to contact us.
Outer Diameter, Inch (mm)
Diameter Tolerance, Inch (mm), +/-
Wall Thickness Tolerance, %, +/-
<1 (25.4)
0.004 (0.102)
10
1~1.5 (25.4~38.1)
0.005 (0.127)
10
1.5~2 (38.1~50.8)
0.006 (0.152)
10
2~2.5 (50.8~63.5)
0.007 (0.178)
10
2.5~3.5 (63.5~88.9)
0.010 (0.254)
10
Chemical Composition of Tantalum Tube
Element
R05200 (%,Max)
R05400 (%,Max)
C
0.01
0.01
O
0.015
0.03
N
0.01
0.01
H
0.0015
0.0015
Fe
0.01
0.01
Mo
0.02
0.02
Nb
0.1
0.1
Ni
0.01
0.01
Si
0.005
0.005
Ti
0.01
0.01
W
0.05
0.05
Physical Property of Tantalum Tube
Grade
Tensile Strength δbpsi (MPa), ≥
Yield Strength δ0.2, psi (MPa),≥
Elongation in 1″/2″ Gage Length, %, ≥
R05200/R05400
30000 (207)
20000 (138)
25
R05252
40000 (276)
28000 (193)
20
R05255
70000 (481)
60000 (414)
15
R05240
40000 (276)
28000 (193)
20
Surface Condition of Tantalum Tube
Outside surface – Polished, Roughness Ra<3.2
Inside surface – Depends on the diameter