Rhenium
Rhenium
Rhenium
Rhenium is an ultra-high-density metal at 21.0 g/cm³, with a melting point of 3,186°C — the highest after tungsten — and the highest boiling point of any metal. On the strength of keeping both strength and ductility at high temperature, it serves as a core material for aerospace superalloys, petrochemical catalysts and high-temperature thermocouples.
Rhenium is an ultra-high-density metal at 21.0 g/cm³, with a melting point of 3,186°C — the highest after tungsten — and the highest boiling point of any metal. On the strength of keeping both strength and ductility at high temperature, it serves as a core material for aerospace superalloys, petrochemical catalysts and high-temperature thermocouples.
Rhenium is an ultra-high-density metal at 21.0 g/cm³, with a melting point of 3,186°C — the highest after tungsten — and the highest boiling point of any metal. On the strength of keeping both strength and ductility at high temperature, it serves as a core material for aerospace superalloys, petrochemical catalysts and high-temperature thermocouples.
Rhenium
Its melting point is the highest after tungsten, and it does not lose ductility at high temperature. It is the core material in W-Re thermocouples and electron beam filaments.
Rhenium
Its melting point is the highest after tungsten, and it does not lose ductility at high temperature. It is the core material in W-Re thermocouples and electron beam filaments.
A metal that does not break even at high temperature
Even after long exposure to high temperature, grain coarsening and breakage are limited, giving long life in parts that are heated repeatedly.
W-Re alloy is more ductile than pure tungsten, so it can be drawn into fine wire and thermocouples.
It goes into positions at extreme temperature, such as electron beam filaments and rocket nozzles.
Key Properties
Dimensions are listed with reference to the general supply range for refractory metal semi-finished products. The range and tolerances we can actually deliver depend on your request, so send us an inquiry and we will confirm and reply.
A metal that does not break even at high temperature
Even after long exposure to high temperature, grain coarsening and breakage are limited, giving long life in parts that are heated repeatedly.
W-Re alloy is more ductile than pure tungsten, so it can be drawn into fine wire and thermocouples.
It goes into positions at extreme temperature, such as electron beam filaments and rocket nozzles.
Key Properties
Dimensions are listed with reference to the general supply range for refractory metal semi-finished products. The range and tolerances we can actually deliver depend on your request, so send us an inquiry and we will confirm and reply.
A metal that does not break even at high temperature
Even after long exposure to high temperature, grain coarsening and breakage are limited, giving long life in parts that are heated repeatedly.
W-Re alloy is more ductile than pure tungsten, so it can be drawn into fine wire and thermocouples.
It goes into positions at extreme temperature, such as electron beam filaments and rocket nozzles.
Key Properties
Dimensions are listed with reference to the general supply range for refractory metal semi-finished products. The range and tolerances we can actually deliver depend on your request, so send us an inquiry and we will confirm and reply.
Comparison
Ultra-high-temperature metals compared
Properties
Molybdenum (Mo)
Molybdenum (Mo)
Tungsten (W)
Tungsten (W)
Rhenium
Rhenium
Melting point (°C)
Melting point (°C)
2,623
2,623
3,422
3,422
3,186 (second)
3,186 (second)
Density (g/cm³)
Density (g/cm³)
10.2
10.2
19.3
19.3
21.02 (very high)
21.02 (very high)
Low-temperature brittleness
Low-temperature brittleness
Yes
Yes
Yes
Yes
None (ductility retained)
None (ductility retained)
Key features
Key features
The standard in high-temperature, precision fields
The standard in high-temperature, precision fields
The strongest, heaviest king of industry
The strongest, heaviest king of industry
The rarest and hottest of the alloying elements
The rarest and hottest of the alloying elements
Supply Forms
Applications
Supply Forms
Applications
Advanced material supply and machining,
a global material leader
From raw material to finished part, the best solution seen from your side.
Weekdays 9:00 AM – 5:30 PM (alternate Fridays until 4:00 PM; closed weekends and public holidays)
Advanced material supply and machining,
a global material leader
From raw material to finished part, the best solution seen from your side.
Weekdays 9:00 AM – 5:30 PM (alternate Fridays until 4:00 PM; closed weekends and public holidays)
KOREA TUNGSTEN CO.,LTD
KOREA TUNGSTEN CO.,LTD
Refractory metal supply and ultra-precision machining — core materials for semiconductor, display, defense, space, medical & radiation.
INNOMT LLC
INNOMT CO.,LTD
Korea Tungsten's official overseas division
Key industries served
Customer support
© 2026 Korea Tungsten Co., Ltd. All rights reserved. 83 Bideukbawi-gil, Jori-eup, Paju-si, Gyeonggi-do 10949, Korea (364-2 Osan-ri) +82-31-975-1717
© 2026 INNOMT Co., Ltd. All rights reserved. Unit A-1710, IS Biz Tower Hangang 3, 50 Eutteum-ro, Deogyang-gu, Goyang-si, Gyeonggi-do 10543, Korea +82-2-6408-4239
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KOREA TUNGSTEN CO.,LTD
KOREA TUNGSTEN CO.,LTD
Refractory metal supply and ultra-precision machining — core materials for semiconductor, display, defense, space, medical & radiation.
INNOMT LLC
INNOMT CO.,LTD
Korea Tungsten's official overseas division
Key industries served
Customer support
© 2026 Korea Tungsten Co., Ltd. All rights reserved. 83 Bideukbawi-gil, Jori-eup, Paju-si, Gyeonggi-do 10949, Korea (364-2 Osan-ri) +82-31-975-1717
© 2026 INNOMT Co., Ltd. All rights reserved. Unit A-1710, IS Biz Tower Hangang 3, 50 Eutteum-ro, Deogyang-gu, Goyang-si, Gyeonggi-do 10543, Korea +82-2-6408-4239
Privacy Policy
Terms of Use
Cookie settings
KOREA TUNGSTEN CO.,LTD
KOREA TUNGSTEN CO.,LTD
Refractory metal supply and ultra-precision machining — core materials for semiconductor, display, defense, space, medical & radiation.
INNOMT LLC
INNOMT CO.,LTD
Korea Tungsten's official overseas division
Key industries served
Customer support
© 2026 Korea Tungsten Co., Ltd. All rights reserved. 83 Bideukbawi-gil, Jori-eup, Paju-si, Gyeonggi-do 10949, Korea (364-2 Osan-ri) +82-31-975-1717
© 2026 INNOMT Co., Ltd. All rights reserved. Unit A-1710, IS Biz Tower Hangang 3, 50 Eutteum-ro, Deogyang-gu, Goyang-si, Gyeonggi-do 10543, Korea +82-2-6408-4239
Privacy Policy
Terms of Use
Cookie settings