Copper Alloys and Special Steel Products

Copper Alloy Foil

Pure copper foil

C1100R (tough pitch copper)

Composition Thinnest manufacturable
plate thickness (mm)
Widest manufacturable
plate width (mm)
Mechanical properties Electrical conductivity
(%IACS)
Main features Applications
Cu 99.90% or above 0.006 680 Tensile strength = 450MPa 101 Standard rolled copper foil FPC
Lithium-ion battery negative-electrode material
Electromagnetic shielding material
Composition Smallest manufacturable
plate thickness (mm)
Largest manufacturable
plate width(mm)
Mechanical properties Electrical conductivity
(%IACS)
Main features Applications
Cu-0.12Sn 0.006 680 Tensile strength = 550MPa 90 High strength, high thermal resistance COF,TAB,
Lithium-ion battery negative-electrode material

Copper Alloy Foil

Nickel Silver (C7521)

Composition Smallest manufacturable
plate thickness (mm)
Largest manufacturable
plate width (mm)
Mechanical properties Electrical conductivity
(%IACS)
Main features Applications
64Cu-18Ni-8Zn 0.020   H material
Tensile strength ≧ 540MPa
Elongation ≧ 3%
6 High corrosion resistance Spring material, shielding covers
Composition Smallest manufacturable
plate thickness (mm)
Largest manufacturable
plate width (mm)
Mechanical properties Electrical conductivity
(%IACS)
Main features Applications
92Cu-8Sn 0.020 600 EH material
Tensile strength = 685~785MPa
Elongation ≧ 11%
12 Excellent spring properties Spring material

Brass (C2600)

Composition Smallest manufacturable
plate thickness (mm)
Largest manufacturable
plate width (mm)
Mechanical properties Electrical conductivity
(%IACS)
Main features Applications
70Cu-30Zn 0.020 600 EH material
Tensile strength ≧ 520MPa
28 Ductility, electrical conductivity Piezoelectric buzzers
Composition Smallest manufacturable
plate thickness (mm)
Largest manufacturable
plate width (mm)
Mechanical properties Electrical conductivity
(%IACS)
Main features Applications
Cu-3.0Ti 0.030 450 XSH material
Tensile strength = 1150MPa
GSH material
Tensile strength = 1400MPa
10 High strength, excellent spring properties
Stress relaxation resistance
Spring material
Connectors
Spring material in autofocus camera modules for mobile phones
Composition Smallest manufacturable
plate thickness (mm)
Largest manufacturable
plate width (mm)
Mechanical properties Electrical conductivity
(%IACS)
Main features Applications
Cu-3.0Ni
-0.65Si-0.15Mg
0.020 600 Tensile strength ≦ 900MPa
Elongation ≦ 10%
45 High strength, high electrical conductivity Hard disk drive suspensions
Interposers

Stainless Steel

Austenite (SUS301)

Composition Temper Smallest manufacturable
plate thickness (mm)
Largest manufacturable
plate width (mm)
Mechanical properties Specific resistance
(nΩ·m)
Main features Applications
Fe-17Cr-7Ni BA 0.08~1.0 600 Tensile strength ≧ 520MPa,Elongation ≧ 40% 720 High strength
High bend formability
Switch parts
1/4H 0.075~0.95 600 Tensile strength ≧ 650MPa,Elongation ≧ 30%
1/2H 0.07~0.84 600 Tensile strength ≧ 930MPa,Elongation ≧ 10%
3/4H 0.06~0.74 600 Tensile strength ≧ 1130MPa,Elongation ≧ 5%
H 0.05~0.6 600 Tensile strength ≧ 1320MPa
EH 0.045~0.35 600 Tensile strength ≧ 1570MPa
SEH 0.045~0.12 600 Tensile strength ≧ 1740MPa

Austenite (SUS304)

Composition Temper Manufacturable
thickness (mm)
Largest manufacturable
plate width (mm)
Mechanical properties Specific resistance
(nΩ·m)
Main features Applications
Fe-18Cr-8Ni BA 0.08~1.0 600 Tensile strength ≧ 520MPa,Elongation ≧ 40% 720 High strength
Corrosion resistance
Planar heating elements
1/4H 0.075~0.95 600 Tensile strength ≧ 700MPa,Elongation ≧ 35%
1/2H 0.071~0.89 600 Tensile strength ≧ 780MPa,Elongation ≧ 6%
3/4H 0.062~0.78 600 Tensile strength ≧ 930MPa,Elongation ≧ 3%
H 0.05~0.62 600 Tensile strength ≧ 1130MPa

Austenite (NMA)

Composition Smallest manufacturable
plate thickness (mm)
Largest manufacturable
plate width (mm)
Mechanical properties Specific resistance
(nΩ·m)
Main features Applications
Fe-16Cr-14Ni Annealed : 0.050
Temper H : 0.020
530 Annealed : Tensile strength ≧ 490,Elongation ≧ 40
Temper H : Tensile strength ≧ 750,Elongation ≦ 40
720 Nonmagnetic, deep drawability, corrosion resistant Deep drawing + nonmagnetic parts

Ferrite (SUS430)

Composition Temper Manufacturable
thickness (mm)
Largest manufacturable
plate width (mm)
Mechanical properties Specific resistance
(nΩ·m)
Main features Applications
Fe-17Cr BA 0.08~0.95 600 Tensile strength ≧ 450MPa,Elongation ≧ 22% 600 Nonmagnetic, corrosion resistant Fluorescent display tube parts
1/4H 0.074~0.95 600 Tensile strength : 500~650MPa,Elongation : 15~25%
1/2H 0.068~0.85 600 Tensile strength : 600~800MPa,Elongation : 2~15%
3/4H 0.045~0.55 600 Tensile strength : 750~950MPa,Elongation ≦ 5%
H 0.045~0.25 600 Tensile strength ≧ 900MPa
  • Manufacturable plate thickness is dependent on the combination of thickness and requirements other than thickness (plate width, shape, etc.).
Contact Information
From the Web

Inquiries accepted 24 hours a day.