Materials (processing and sales of minor metals, heat resistant / corrosion resistant metals)

We have an abundant stock of high-quality, high-purity tungsten (W),
molybdenum (Mo), tantalum (Ta) plates, bars and wires,
as well as various types of standard length materials.

W, Mo, Ta Material lineup overview

※ Please scroll to the right for an overview of plates, bars, and wires.

Board Rod Wire
W tungsten
Atomic number
74
CAS number
7440-33-7
Melting point [ ℃ ]
3410
density [ g/cm3 ]
19.3
Electrical resistivity
[ μΩ・cm ]
5.7
Coefficient of thermal expansion [ 10-6/K ]
4.5
Thermal conductivity
[ W/m・K ]
176
Elastic modulus
[ kN/mm2 ]
161
Rigidity [ kN/mm2 ]
403
Tensile strength
[ N/mm2 ]
588
 Thickness t0.05/0.1/0.15/0.2/0.3/0.5
t1.0/1.5/2.0/3.0		 Dia. φ0.5～3.0（0.5 unit）
φ4.0～10（1 unit）/φ12～20		 Dia. φ0.1～2.0
Width x Length 200×1000（t0.05～0.3） Length 1000L Length Depends on wire diameter
300×1000（t0.2/0.3）
500×1000（t0.2～3.0）
Mo molybdenum
Atomic number
42
CAS number
7439-98-7
Melting point [ ℃ ]
2620
density [ g/cm3 ]
10.2
Electrical resistivity
[ μΩ・cm ]
5.2
Coefficient of thermal expansion [ 10-6/K ]
5.1
Thermal conductivity
[ W/m・K ]
138
Elastic modulus [ kN/mm2 ]
327
Rigidity [ kN/mm2 ]
126
Tensile strength
[ N/mm2 ]
480
 Thickness t0.05/0.1/0.15/0.2/0.3/0.5
t1.0/1.5/2.0/3.0/5.0		 Dia. φ1.0～3.0（0.5 unit）
φ4.0～10（1 unit）/φ12～50		 Dia. φ0.1～2.0
Width x Length 200×1000（t0.05～0.2） Length 1000L（φ4.0 or less,φ30～50）
2000L（φ5.0～25）		 Length Depends on wire diameter
300×1000（t0.2～1.0）
600×1000（t0.5～5.0）
Ta tantalum
Atomic number
73
CAS number
7440-25-7
Melting point [ ℃ ]
2997
density [ g/cm3 ]
16.6
Electrical resistivity
[ μΩ・cm ]
12.5
Coefficient of thermal expansion [ 10-6/K ]
6.5
Thermal conductivity
[ W/m・K ]
58
Elastic modulus
[ kN/mm2 ]
181
Rigidity [ kN/mm2 ]
69
Tensile strength
[ N/mm2 ]
206
 Thickness t0.1/0.15/0.2/0.3/0.5/0.6/0.8
t1.0/1.5/t2.0～8.0		 Dia. φ2.5/3.0/4.0/5.0/6.0/7.0/8.0
φ10～20		 Dia. φ0.3/0.4/0.5/0.8
φ1.0/1.5/2.0
Width x Length 250×1000（t0.1～0.8） Length 1000L Length Depends on wire diameter
500×1000（t0.5～3.0）
300×500（t4.0～8.0）
Atomic number CAS number Melting point
[ ℃ ]		 density
（room temperature）
[ g/cm3 ]		 Electrical resistivity
（room temperature）
[ μΩ・cm ]		 Coefficient of thermal expansion
（0-100℃）
[ 10-6/K ]		 Thermal conductivity
（room temperature）
[ W/m・K ]		 Elastic modulus
（room temperature）
[ kN/mm2 ]		 Rigidity
（room temperature）
[ kN/mm2 ]		 Tensile strength
（room temperature）
[ N/mm2 ]
W tungsten 74 7440-33-7 3410 19.3 5.7 4.5 176 161 403 588
Mo molybdenum 42 7439-98-7 2620 10.2 5.2 5.1 138 327 126 480
Ta tantalum 73 7440-25-7 2997 16.6 12.5 6.5 58 181 69 206

※ Sizes / specifications not listed are also available.

Example of other materials

  • TiTitanium
  • NbNiobium
  • CuCopper
  • SUSStainless
  •  Inconel
  • AlHigh Purity Aluminum
  • NiHigh Purity Nickel
Atomic number CAS number Melting point
[ ℃ ]		 density
（room temperature）
[ g/cm3 ]		 Electrical resistivity
（room temperature）
[ μΩ・cm ]		 Coefficient of thermal expansion
（0-100℃）
[ 10-6/K ]		 Thermal conductivity
（room temperature）
[ W/m・K ]		 Elastic modulus
（room temperature）
[ kN/mm2 ]		 Rigidity
（room temperature）
[ kN/mm2 ]		 Tensile strength
（room temperature）
[ N/mm2 ]
Ti Titanium 22 7440-32-6 1668 4.5 55.0 8.9 16 114 40 24
Nb Niobium 41 7440-03-1 2468 8.6 14.5 7.2 54 105 37 28
Cu Copper 29 7440-50-8 1083 8.9 1.7 17.0 394 136 48 22
SUS304 Stainless ─ ─ 1400～1420 7.9 72.0 17 16 200 74 520
equivalent to inc600 Inconel ─ ─ 1354～1413 8.4 103 13.4 14.8 157 76 550
Al High Purity Aluminum 13 7429-90-5 660 2.7 2.7 23.5 238 76 26 5
Ni High Purity Nickel 28 7440-02-0 1453 8.9 6.8 13.3 88 205 77 32

Area of material used

About procurement

Sunric will quickly procure and provide other metals, as well as metals that are out of stock, through a variety of connections.

How to sell

We will respond flexibly to customer's request. Please feel free to contact us.

  • Material sales

    In addition to selling standard lengths of material, we can also support specified dimensions, shape cuts, and free shapes.

  • Product sales

    We manufacture and sell vacuum furnaces and furnace products that use minor metals and various metal materials.

Examples of Products and Processing Vacuum Furnaces and Furnace parts
Evaporation boat catalog

Contact Us

We will respond flexibly to customer's request. Please feel free to contact us.

Contact us for products and materials
Tel. +81-45-522-8989
Fax. +81-45-522-8993
Other requirements(Main phone number)
Tel. +81-45-522-8988
(Main phone number)
Main FAX number. +81-45-522-8992
Inquiry by email