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4140 4330 Mod4340 / E-43404620 Vac. / AMS 62946150 Vac. / AMS 6448AISI 9310300mMARAGING 350MARAGING 300MARAGING 250

Tantalyum

Tantalum is produced through hydrometallurgical processes and belongs to the refractory metal group. It is highly resistant to acid corrosion and has a melting point of 3017°C. °Tantalum is extremely hard but becomes quite soft in annealed condition. It exhibits high heat and electrical conductivity.

Mechanical and Physical Properties

density
g/cm3
<5>16.60
Melting Temperature
°C
2996
Thermal Conductivity
Cal/cm2/cm°C/sec
0.13
Specific Heat
Cal/gm/°C
0.036
Coefficient of Linear Thermal Expansion
10-6 (°C) -1
6.60
Electrical Resistance
Microhms-cm
12.40
Tensile Strength
MPa – RT
1725
MPa – 500 oC
1035
MPa – 1000 oC
515
Hardness
DPH
300
Elastic Module
GPa
400

Application areas

In the electronics industry, tantalum is used in capacitors, cathodes for electrochemical analysis, computer components, and cameras.
In the medical industry; In surgical implants, surgical instruments.
In the dental industry, in the military industry.

Specifications

AMS 7849
UNS R05400
CAS 7440-25-7
ASTM B708
ASTM B521
ASTM B365
ASTM F560
R05255 %90 Ta, %10 W
R05252 %97.5 Ta, %2.5 W
R05240 %60 Ta, %40 Nb
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