Tantalum Pipe RO5200 RO5400 RO5252(Ta-2.5W) RO5255(Ta-10W) ASTM B521

Product name:Tantalum seamless pipe、tantalum tungsten alloy tube seamless(Ta-2.5W,Ta-10W)
Material: RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W)
Standard(specification): diameter: Ф2.0-100mm
Thickness: 0.2-5.0mm (tolerance: ±5%)
Length: 100mm-6000mm
Carried Standard：ASTM B521
Material: pure or alloy tantalum
Surface: Bright
Density: 16.68kg/cm3

Ingredient declarations:

Composition,％
Material	Main composition		Impurities maxmium
Material	Ta	Nb	Fe	Si	Ni	W	Mo	Ti	Nb	O	C	H	N
Ta1	surplus	——	0.005	0.005	0.002	0.01	0.01	0.002	0.03	0.015	0.01	0.0015	0.01
Ta2	surplus	——	0.03	0.02	0.005	0.04	0.03	0.005	0.1	0.02	0.01	0.0015	0.01
TaNb3	surplus	＜3.5	0.03	0.03	0.005	0.04	0.03	0.005	——	0.02	0.01	0.0015	0.01
TaNb20	surplus	17.0～23.0	0.03	0.03	0.005	0.04	0.03	0.005	——	0.02	0.01	0.0015	0.01
Ta2.5W	surplus		0.005	0.005	0.002	3.0	0.01	0.002	0.04	0.015	0.01	0.0015	0.01
Ta10W	surplus		0.005	0.005	0.002	11	0.01	0.002	0.04	0.015	0.01	0.0015	0.01
If users have special requirements, both sides can discuss.

TABLE 1: Permissible Variation In External Diameter And Wall Thickness

External diameter,inch(mm)	permissible variation in external diameter, inch(mm), +/-	permissible variation 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)	0.008 (0.254)	5

TABLE 2: Mechanical Properties

Shop sign	Ultimate tensile strength, min. pound/in. 2（MPa）	Yield strength, min. pound/in. 2（MPa）	Elongation, min，％ 1 in.(25.4mm)gauge 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

Purity: >=99.95%, 99.99%

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