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Changsha South Tantalum Niobium Co.,Ltd
Changsha South Tantalum Niobium Co.,Ltd  

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tantalum tube 

Payment Terms: T/T 
Place of Origin: Hunan, China (Mainland) 
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Product Detail


Material:RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W);
Available size: Diameter: Dia1.0-120mm,Thickness: 0.2-5.0mm,Length: 200mm-6000mm

Detailed Product Description
Tantalum tube    Tantalum capillary tube
Tantalum tungsten alloy tube Tantalum tungsten alloy tube
Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)
size:       Diameter: φ1.0-120mm
              Thickness: 0.2-5.0mm
              Length: 200mm-6000mm        
Standard: As per ASTM B521-98
Purity:      >=99.95% or 99.99%
Table 1.   Chemical composition:
Chemistry                                                                %
Designation
Chief component
Impurities maxmium
Ta
Nb
Fe
Si
Ni
W
Mo
Ti
Nb
O
C
H
N
Ta1
Remainder
0.004
0.003
0.002
0.004
0.004
0.002
0.03
0.015
0.004
0.0015
0.002
Ta2
Remainder
0.01
0.01
0.005
0.02
0.02
0.005
0.08
0.02
0.01
0.0015
0.01
TaNb3
Remainder
3.5
0.01
0.01
0.005
0.02
0.02
0.005
0.02
0.01
0.0015
0.01
TaNb20
Remainder
17.023.0
0.01
0.01
0.005
0.02
0.02
0.005
0.02
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
Table2. Permissible variations in diameter & wall thickness
Outside diameter, inch (mm)
Diameter tolerance, inch(mm), +/-
Permissible variaton 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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Tel: 86-731-86882259
Fax: 86-731-86882256
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Company Info

Changsha South Tantalum Niobium Co.,Ltd [China (Mainland)]


Business Type:Manufacturer
City: Changsha
Province/State: Hunan
Country/Region: China (Mainland)

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