The aluminum content of 1050 aluminum sheet coil is above 99.5%, which has the characteristics of high plasticity, corrosion resistance, electrical conductivity and thermal conductivity; because of its high plasticity and good thermal conductivity, coupled with its mature processing technology, the price is relatively cheap and has a long service life, so it is widely selected as PCB aluminum entry sheet.
2 The product specifications of 1050 PCB aluminum entry sheet
* Alloy: 1050
* Temper: H18
* 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 1050 PCB aluminum entry sheet
1)The Product chemical composition of 1050 PCB aluminum entry sheet
| Alloy | Si | Fe | Cu | Mn | Mg | Cr | Ni | Zn | V | Ti | Zr | Other | AL | |
| single | total | |||||||||||||
| 1050 | 0.25 | 0.40 | 0.05 | 0.05 | 0.05 | - | - | 0.05 | 0.05 | 0.03 | - | 0.03 | - | 99.50 |
2)The Product mechanical properties of 1050 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 | ||||||
|
1050 |
H18 | 0.12-0.20 | 140 | -- | -- | -- |
| 0.20-0.25 | 130 | -- | -- | 1 | ||
4 The product features of 1050 PCB aluminum entry sheet
1) 1050 PCB aluminum entry sheet has the characteristics of high plasticity, corrosion resistance, electrical conductivity and thermal conductivity
2) 1050 PCB aluminum entry sheet has the characteristics of mature processing technology, relatively cheap price and long service life
3) 1050 PCB aluminum entry sheet has excellent heat conduction function, which can quickly dissipate the heat generated by friction when the drill bit is drilled at high speed, effectively prevent the bit from overheating, thereby improving the life of the bit and better hole wall condition.
5 The application of 1050 PCB aluminum entry sheet
1050 PCB aluminum entry sheet are widely used in ordinary circuit board drilling.
