Products for domestic use

Specialty Metal Products

Sealing Material / Soft Magnetic Material Materials for Electronic Components Thermocouple
Sealing Material / Soft Magnetic Material Materials for Electronic Components Thermocouple
Materials for Electronic Components Sheath Heater Electrode Material
Materials for Electronic Components Sheath Heater Electrode Material
Features We produce specialty metals for each purposes using various alloys based mainly on nickel (Ni), copper (Cr) or cobalt (Co).
Usage Our product range include a variety of processed goods and application products such as electron tubes, electronic devices, components and materials for lighting, soft magnetic materials, bimetal, corrosion-resistant and electrode material.
Flagship Products KOV (Kovar), NSI (42Alloy), ICX (Inconel)

Quality Construction

Name of Product Component
(wt%)
Thermal Expansion Coefficient
(*10-7/ degree)
Features Usage
KOV
(Kovar)
Ni 29
Co 17
Fe Bal.
30~400℃
30~500℃
48
60
The products has almost the same thermal expansion coefficient as hard glass and ceramics and good workability of glass. Sealing ceramics,
hard glass sealing,
semiconductor
NSI
(42Alloy)
Ni 40.5
Fe Bal.
30~330℃ 50 IC lead frames
PCV-K Cr 18
Ti 0.4
Fe Bal.
30~500℃ 115 They also have similar thermal expansion coefficient to soft glass, good workability of glass, and good conductivity of the oxide film Color CRT stud
GNC
(476Alloy)
Ni 47
Cr 6
Fe Bal.
30~400℃ 102 They have almost the same thermal expansion coefficient as soft glass and good workability of glass. Soft glass sealing,
Color CRT Anode Button
TNF
(50 Alloy)
Ni 50
Fe Bal.
30~400℃ 99 Soft glass sealing,
semiconductor
NSL Ni 42
Special Component
FeBal.
30~330℃ 50 Strengthened 42 Alloy Alternative Kovar
Name of Product Component
(wt%)
Tensile strength
(N/mm2)
Proof stress
(N/mm2)
Extension
(%)
Features Usage
ICLC Cr 16,
Fe 7.5
Ni+Co Bal.
667 265 40 (equivalent of Inconel 600) Semiconductor manufacturing equipment components,
materials for nuclear energy, reactor parts
ICS Cr 19,Mo 3,
Nb 5.2,
Fe 18,Ti 1,
Ni Bal.
1393
(650℃ 1098)
1128
-941
20
-20
High level of spring property at high temperature (equivalent of Inconel 718) Bellows, nuclear power, automotive
ICX Cr 15,Fe 7,
Ti 2.5,Nb 0.8
Ni Bal.
1167 706 25 (equivalent of Inconel X-750) Nuclear materials, components for the furnace
KCF Cr 20,Al 3
Fe Bal.
539 392 15 High level of oxidation resistance Brazing fixture, guide pins for projection welding
CAN Cr 38
Al 3.8
Ni Bal.
1765
(after aging treatment)
- - High hardness (Hv680) Mold

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