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 |
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.).
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