Product Details

1.Grade: RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W)

2.Standard: ASTM B521-98, GB/T14841, ASTMB365, ASTMB708, ASTM B364-92

3.Purity:≥ 99.95% or 99.9%

4.Generally Size:

Dia: 30-1000mm

Thickness: 0.07-10mm

5.Characteristic:

Density: 16.6 g/cm3

Certificate: ISO9001:2008

6.Application:

Used in laboratory equipment.
Used as a substitute for platinum.
Used in manufacturing superalloys and electron-beam melting.
Used in metallurgical, machinery processing, glass, and ceramic industries.
Used as a superalloy additive in nickel-based alloys.
Used for sputtering targets.
Used for artificial ears
Used to make glass or metal seal

Technical parameters

Strict quality control system

--- Each link of the production will be strickly controled, ensuring without one unqualified product being out from our company.

Products :plate, bar, wire, disc, tube, foil ,target,boat ,strip and so on.

Supply tantalum crucible which quality as well as functions has been proved by a scrupulous test.High quality+ Best price

Recommend size

Form	Thickness, Dia., Wall inches (mm)	Width, Length inches (mm)
Tantalum Foil	0.001“ to 0.005“ (0.025 to 0.1270 mm)	12“ maximum width x coil (30.5 mm max. width x coil)
Tantalum Sheet	0.005“ to 0.020“ (0.1270 to 0.50 mm)	36“ maximum width x coil (915 mm max. width x coil)
Tantalum Sheet	0.015“ to 0.060“ (0.380 to 1.524 mm)	40“ width x coil (1000 mm width x coil)
Tantalum Round Disk	Thickness: 0.060" to 0.125" (1.524 to 3.175 mm)	Up to 37 in diameter
Tantalum Plate	0.060“ to 0.125“ (1.524 to 3.175 mm)	width not to exceed 40“ (1000 mm)

Grade(UNS)	Annealed
Grade(UNS)	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
Designation	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

Tantalum and Tantalum Alloy

R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both
R05400, unalloyed tantalum, powder-metallurgy consolidation.
R05255, tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace of vacuum-arc melt, or both.
R05252, tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both.
R05240, tantalum alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum-arc melt.

Advantage

Tantalum features high melting point , low vapor pressure , good cold processability ,excellent chemical stability , good resistance to corrosion , high dielectric constant ,in surface oxide film .widely used in many industries such as electronics ,metallurgy, chemical processing , hard alloy cutters , aerospace and aviation.

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