2015年9月17日星期四
Tantalum Wire (Hot rolled, cold drawn, annealed)
Tantalum Wire (Hot rolled, cold drawn, annealed)
Diameter: minimum 0.1 mm
Standard: ASTM B365
Tantalum wire is commonly used as the lead wires on tantalum capacitors. Tantalum wire was the first material used for filaments in light bulbs. It is also used in the electronics industry in the manufacture of rectifiers and capacitors. Other applications include medical devices, chemical processing, and lighting applications. Because Firmetal can supply tantalum wire with a premium surface finish, it has superior performance in such applications.
Firmetal is also the sole supplier of powder metallurgical grade Tantalum 7.5% Tungsten (Ta7.5W) and Tantalum 10% Tungsten (Ta10W) wires. These products are ideal for use as springs in highly corrosive environments, and as an oxygen getter in lighting applications.
ASTM B 780 RO5200 Tantalum Crucible
ASTM B 780 RO5200 Tantalum CrucibleASTM B 780 RO5200 Tantalum Crucible
1. Product Introduction
1.Grade: RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W)
2.Standard: ASTM B521-98, GB/T14841, ASTMB365, ASTMB708
3.Purity:≥ 99.95%
4.Size: Diameter: φ2.0-100mm
Thickness: 0.2-5.0mm
Length: 200mm-6000mm
5.Characteristic:
Density: 16.68 g/cm3
Certificate: ISO9001:2008
6.Product Feature:
Strict quality control system:
--- Each link of the production will be strictly controlled, ensuring without one unqualified product being out from our company.
2. Technology Data Sheet
OD 20mm
Wall 1.27mm
Tapered 12.7mm
OD 12.7mm
Wall 0.762mm
Tapered 12.7mm
OD 38.10mm
Wall 1.778mm
Tapered 38.10mm
OD 34.29mm
Wall 1.778mm
Height 9.525mm
Grade(UNS)
Annealed
Tensile strength min, psi (MPa)
Yield strength min,psi (MPa)(2%)
Elongation min, % (1 inch gage length)
Pure Ta (RO5200, RO5400)
30000 (207)
20000 (138)
20
Ta-10W (RO5255)
70000 (482)
60000 (414)
15
Ta-2.5W (RO5252)
40000 (276)
30000 (207)
20
Ta-40Nb (RO5240)
35000 (241)
20000 (138)
25
Chemistry %
Designation
Chief component
Impurities maxmium
Ta
Nb
Fe
Si
Ni
W
Mo
Ti
Nb
O
C
H
N
Ta1
Remainder
0.005
0.003
0.002
0.006
0.006
0.002
0.04
0.015
0.005
0.0015
0.006
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
17.0-23.0
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
Content, Max, Weight %
Element
R05200
Unalloyed Tantalum
R05255
90% Tantalum 10% Tungsten
R05252
97.5% Tantalum 2.5% Tungsten
R05240
60% Tantalum 40% Niobium
C
0.010
0.010
0.010
0.010
O
0.015
0.015
0.015
0.020
N
0.010
0.010
0.010
0.010
H
0.0015
0.0015
0.0015
0.0015
Fe
0.010
0.010
0.010
0.010
Mo
0.020
0.020
0.020
0.020
Nb
0.100
0.100
0.50
35.0~42.0
Ni
0.010
0.010
0.010
0.010
Si
0.005
0.005
0.005
0.005
Ti
0.010
0.010
0.010
0.010
W
0.05
9.0~11.0
2.0~3.5
0.050
Ta
Remainder
Remainder
Remainder
Remainder
3. Technology:
Tantalum Powder → Isocratic Pressing → Bar Billet →Sintering → Semi-finished bar →Forging → Swaging → Polished → End products → Inspection → Packing
4. Application
Tantalum crucible is used as container for rare-earth metallurgy, load plates for anodes of tantalum and niobium electrolytic capacitors sintered at high temperatures, corrosion resistant containers in chemical industries and evaporation crucibles and liners.
5. Tantalum features
1) High melting point ,
2) Low vapor pressure,
3) Good cold process ability ,
4) Excellent chemical stability ,
5) Good resistance to corrosion ,
6) High temperature strength
7) Good bio-compatibility
8) High dielectric constant ,in surface oxide film .
Widely used in many industries such as electronics ,metallurgy, chemical processing , hard alloy cutters , aerospace and aviation.
6. Our advantage
1. Advanced Equipment and Management;
2. Strict Quality Control &Inspection;
3. Global quality warranty;
4. Different sizes available;
5. Free OEM service;
6. Various Packaging & Shipping Choice;
7. Timely& Efficient Delivery;
8. Professional & Responsible Staff
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