3003 aluminum sheet coil is AL-Mn series alloy, usually cold working method is used to improve its mechanical properties, it has high plasticity in the annealed state; it has good forming processing characteristics, high corrosion resistance, good weldability and electrical and thermal conductivity ; because of its good electrical and thermal conductivity, it can also be used as the PCB aluminum entry sheet.
2 The product specifications of 3003 PCB aluminum entry sheet
* Alloy: 3003
* Temper: H18, H19
* Thickness: 0.12~0.25mm
* Width*Length: 790~1300mm or produced by Coiled
* Thickness tolerance (mm): +/-0.005mm
* Width tolerance (mm): +1 /-0mm
* Length tolerance (mm): + 1 /-0mm
* Diagonal tolerance (mm): ≤1 mm
* Standing specifications (specification):
1041mm x 1092mm, 940mm x 1244mm, 1041mm x 1244mm, 1092mm x1244mm, etc.
3 The product chemical composition and mechanical properties of 3003 PCB aluminum entry sheet
1)The Product chemical composition of 3003 PCB aluminum entry sheet
| Alloy | Si | Fe | Cu | Mn | Mg | Cr | Ni | Zn | V | Ti | Zr | Other | AL | |
| single | total | |||||||||||||
| 3003 | 0.6 | 0.7 |
0.05 -0.20 |
1.0 -1.5 |
- | - | - | 0.10 | - | - | - | 0.05 | 0.15 | Remainder |
2)The Product mechanical properties of 3003 PCB aluminum entry sheet
| Alloy | Temper |
Thickness (mm) |
Mechanical properties | |||
| Tensile Strength（Mpa） |
Yield strength （Mpa） |
Elongation (%) |
||||
| standard value | standard value | A | A50mm | |||
| Not less than | ||||||
| 3003 | H18 | 0.12-0.20 | 190 | -- | -- | 1 |
| 0.20-0.25 | 190 | 170 | -- | 1 | ||
| H19 | 0.12-0.20 | 210 | -- | -- | 1 | |
| 0.20-0.25 | 210 | 180 | -- | 1 | ||
4 The product features of 3003 PCB aluminum entry sheet
1) 3003 PCB aluminum entry sheet has good forming processing characteristics, high corrosion resistance, good solderability and electrical and thermal conductivity
2) 3003 PCB aluminum entry sheet has high mechanical properties, flat surface and good plasticity
3) 3003 PCB aluminum entry sheet has good electrical and thermal conductivity, which can quickly take away the heat generated during drilling.
5 The application of 3003 PCB aluminum entry sheet
3003 PCB aluminum entry sheet can also be used for ordinary circuit board drilling.
