Tantalum Tube
tantalum tube
Brief introduction:
Some tantalum information: tantalum belongs to the rare metals. Because of titanium lively character, having high requirements to the smelting process , people could not get plenty of titanium for a long time. Tantalum has high strength and excellent corrosion resistance. Tantalum is widely used in the aviation industry, the shipbuilding industry, chemical industry, mechanical parts manufacturing, telecommunications equipment. Nowadays, some tantalum manufacturers uses advanced technology to develop

tantalum recycling

.

Tantalum tube

is produced from tantalum rod. Tantalum tube has seamless tantalum tube and seamed tantalum tube.

Properties of tantalum tube:
Titanium tube has such properties as light quality, high strength and superior mechanical properties.

Applications of tantalum tube:
Tantalum is widely used in chemical equipment, especially the main heat transfer equipment. Tantalum pipe also can be used in electric power industry, metallurgical industry, fertilizer industry, seawater desalination industry. Tantalum is made into capacitor and equipment used in the military equipment.

Table 1. Chemical composition:
chemistry%
designation chief component impurities maximum
Ta Nb Fe Si Ni W Mo Ti Nb O C H N
Ta1 Remainder   0.004 0.003 0.002 0.004 0.006 0.002 0.03 0.01 0.004 0.0015 0.002
Ta2 Remainder   0.01 0.01 0.005 0.02 0.02 0.005 0.08 0.015 0.01 0.0015 0.01
TaNb3 Remainder <3.5 0.01 0.01 0.005 0.02 0.02 0.005   0.015 0.01 0.0015 0.01
TaNb20 Remainder 17.0-
23.0
0.01 0.01 0.005 0.02 0.02 0.005   0.015 0.01 0.0015 0.01
Ta2.5W Remainder   0.005 0.003 0.002 3.0 0.006 0.002 0.04 0.015 0.005 0.0015 0.006
Ta10W Remainder   0.005 0.003 0.002 11 0.006 0.002 0.04 0.015 0.005 0.0015 0.006
special require of tantalum wire to be agreed on
by the supplier and buyer of negotiations.
 
Table2. Permissible variations in diameter &wall thickness 
 Outside diameter, inch (mm) Diameter tolerance, 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) 0.010 (0.254)  5 
 
Table3. Mechanical requirements (annealed condition)
Grade Tensile strength  δbpsi (MPa), ≥ Yield strength  δ0.2, psi (MPa),≥  Elongation in 1"/2"gage length, %, ≥
RO5200/RO5400 30000 (207) 20000 (138) 25 
 RO5252 40000 (276)  28000 (193)  20 
 RO5255 70000 (481)  60000 (414)  15 
 RO5240 40000 (276)  28000 (193)  20 
Special requirements to be agreed on by the supplier and buyer of negotiation
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