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Tantalum tube for heat exchanger

1. Grade: R05400, R05200, R05252, R05255, R05240  ASTM B521 Standard

2. Purity : > =99.95%

3. Characteristic: Melting Point:2996 Degrees Celsius Boiling Point:5425 Degrees Celsius Density: 16.6g/cm3

4. Certificate: ISO9001

5. Product Feature: High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion..

6. Dimensions and tolerance(According to clients’ requirements)

7. Application: Chemical industry, electronic industry, aerospace industry, aviation industry,capacitors, high-temperature furnace parts, semiconductor, sputtering targets and relative devices and is widely applied to electronics, metallurgy, chemical, pharmacy, aerospace and other fields.

Size: Diameter: φ1.0-150mmThickness: 0.2-5.0mmLength: 200mm-6000mm  

Mechnical properties

Grade(UNS)	Annealed
	Tensile strength min, psi (MPa)	Yield strength min,psi (MPa)	Elongation min, % (1 inch gage length)
Pure Ta (RO5200, RO5400)	30000 (207)	20000 (138)	25
Ta-10W  (RO5255)	70000 (481)	60000 (414)	15
Ta-2.5W (RO5252)	40000 (276)	28000 (193)	20
Ta-40Nb (RO5240)	40000 (226)	28000 (193)	20

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