Tantalum Plate / Sheet / Foil / Target

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Tantalum Plate / Sheet / Foil / Target

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Table 1 Chemical Compositions(Ingot)

Grade	Chief component	Impurity Maximum, %
Grade	Ta	C	H	O	N	Fe	Si	Ni	W	Mo	Nb	Ti
RO5200	Remainder	0.010	0.0015	0.015	0.010	0.010	0.005	0.010	0.050	0.020	0.10	0.010
RO5400	Remainder	0.010	0.0015	0.030	0.010	0.010	0.005	0.010	0.050	0.020	0.10	0.010
Ta-1	≥99.95	0.004	0.0015	0.015	0.005	0.005	0.005	0.002	0.005	0.002	0.005	0.001
Standard: ASTM B708-05,Special requirements to be agreed on by the supplier and buyer.

Table 2 Tantalum Plate Sheet, Foil

	Thickness(mm)	Width(mm)	Length(mm)
Foil	0.026∽0.1	30∽100	100∽800
Sheet(Strip)	0.1∽0.5	30∽300	300∽2500
board	0.5∽10	30∽600	600∽2500
Standard: ASTM B708-05,Special requirements to be agreed on by the supplier and buyer.

Table 3 Mechanical Properties

Grade mm	Thickness mm	Tensile strength ≥MPa	Yield strength ≥MPa	Elongation ≥%
RO5200	<1.524	207	138	20
RO5400	≥1.524	172	103	30
Standard: ASTM B708-05,Special requirements to be agreed on by the supplier and buyer.

Table 4 Tolerance

Table 5 Tantalum Target

Grade: RO5200 Purity: ≥99.95% Standard: ASTM B708-05 Circular target: Diameter(25∽400)mm Thickness(3∽20)mm Rectangular target: Thickness(1∽20)mm Width(10∽600)mm Length(600∽1200)mm	Recrystallization: ≥95% Surface finish: Ra0.8∽1.6μm Flatness: ≤0.1mm or 0.10% Maximize the value Diameter tolerance: ±0.254mm Thickness tolerance: ±0.05∽±0.254mm Width(Length)tolerance: ±0.254∽±1mm

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