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Tantalum and Tantalum Sheet and Plate

Tantalum mainly exists in tantalite and co-exists with niobium. Tantalum has moderate hardness [1] and is malleable. It can be drawn into a thin wire-like foil. Its thermal expansion coefficient is very small. Tantalum has excellent chemical properties and high corrosion resistance. It can be used to make evaporating vessels, etc., as well as electrodes, rectifiers, and electrolytic capacitors of electron tubes. Medically used to make thin sheets or thin threads to repair damaged tissues. Although tantalum has strong corrosion resistance, its corrosion resistance is due to the stable tantalum pentoxide (Ta₂O₅) protective film formed on the surface.

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Product Details

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

2. Standard:ASTM B 708;

3. Size

Type	Thickness(mm)	Width(mm)	Length（mm）
Tantalum Foil	0.03-0.09	30-150	<2000
Tantalum Sheet	0.1-0.5	30-600	30-2000
Tantalum Plate	0.5-10	50-1000	50-2000

Chemical Composition

Content %
Tantalum Grade	Main Composition	The impurity content is not more than
Tantalum Grade	Ta	Nb	Fe	Si	Ni	W	Mo	Ti	Nb	O	C	H	N
Ta1	Balance	~	0.005	0.005	0.002	0.01	0.1	0.002	0.03	0.015	0.01	0.0015	0.01
Ta2	Balance	~	0.03	0.02	0.005	0.04	0.3	0.005	0.1	0.02	0.01	0.0015	0.01
TaNb3	Balance	＜3.5	0.03	0.03	0.005	0.04	0.3	0.005	~	0.02	0.01	0.0015	0.01
TaNb20	Balance	17~23	0.03	0.03	0.005	0.04	0.3	0.005	~	0.02	0.01	0.0015	0.01
Ta2.5W	Balance	~	0.005	0.005	0.002	3.0	0.1	0.002	0.04	0.015	0.01	0.0015	0.01
Ta10W	Balance	~	0.005	0.005	0.002	11	0.1	0.002	0.04	0.015	0.01	0.0015	0.01
If the user has special requirements, the two parties specifically negotiate

Mechanical properties, annealing

Tantalum Grade	Rm Tensile Strength Min. Lb/inch2（MPa）	Yield Strength Min. Lb/inch2（MPa）	Elongation %
RO5200/RO5400	25000 (172)	15000 (103)	25
RO5252	40000 (276)	28000 (193)	20
RO5255	70000 (482)	55000 (379)	20
RO5240	35000 (244)	15000 (103)	25

If there are special requirements, the two parties will make specific agreement.

Tantalum and Tantalum Sheet and Plate

Product Details

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