Tantalum Seamless Fittings

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Product description

Chemical composition

Chemistry%
Designation	Chief Component		Impurities Maximum
Designation	Ta	Nb	Fe	Si	Ni	W	Mo	Ti	Nb	O	C	H	N
Ta1	Remainder		0.004	0.003	0.002	0.004	0.006	0.002	0.03	0.01	0.004	0.0015	0.002
Ta2	Remainder		0.01	0.01	0.005	0.02	0.02	0.005	0.08	0.015	0.01	0.0015	0.01
TaNb3	Remainder	<3.5	0.01	0.01	0.005	0.02	0.02	0.005		0.015	0.01	0.0015	0.01
TaNb20	Remainder	17.0-23.0	0.01	0.01	0.005	0.02	0.02	0.005		0.015	0.01	0.0015	0.01
Ta2.5W	Remainder		0.005	0.003	0.002	3	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
Special require of tantalum wire to be agreed on by the supplier and buyer of negotiations.

Mechanical Property	Grade	Tensile strength min	Yield strength min,	Elongation min,%
	(UNS)	psi( (MPa)	psi (MPa)(2%)	(1 inch gage length)
	Ta(R05200 R05400)	30000(207)	20000(138)	20
	Ta-10W(R05255)	70000(482)	60000(414)	15
	Ta-2.5W(R05252)	40000(276)	30000(207)	20
	Ta-40Nb(R05240)	35000(241)	20000(138)	25

Permissible variations in diameter & wall thickness

Outside diameter, inch (mm)	Diameter tolerance, 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)	0.010 (0.254)	5

Applications:
Tantalum Tube (Tantalum Pipe) is largely applied in producing tantalum response vessel, tantalum heat exchangers (shell & tube heat exchanger), tantalum pipe line(piping or channel), tantalum condenser, tantalum agitator, tantalum cooler, tantalum boiler, tantalum bayonet heater, tantalum spiral (helical) coil, U-tube heat exchanger or "U" tube bundle heat exchanger during the substance sector for condensing, re-boiling, preheating and cooling of nitric acid, sulfuric acid, hydrochloric acid, formic acid and combinations of those acids with a great deal of other chemicals.

Features:

Good cold process ability

Low vapor pressure

High temperature strength

High melting point

Excellent chemical stability

Good resistance to corrosion

High dielectric constant ,in surface oxide film

Good bio-compatibility

Features:Tantalum belong to the high melting point ,high boiling point rare metal color ,steel ,ductility and corrosion resistance
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 or 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 % columbium, electron-beam furnace or vacuum-arc melt, or both.

Main tantalum products:
Tantalum powder, tantalum ingot, tantalum target, tantalum plate, tantalum foil, tantalum rod, tantalum wire, tantalum tube, tantalum capillary tube, tantalum standard parts, (tantalum bolts, tantalum nuts, tantalum flange, tantalum gasket) tantalum non-standard parts , (tantalum balls, tantalum boats, tantalum funnels, tantalum crucibles, tantalum particles), etc. can be processed and customized according to customer drawings.

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