Aluminium coil sheets for foil(thickness less than 0.01mm)
1. Application: aluminium coils here is used for rerolling into aluminium foils whose thinkess is less than 0.01mm
2. Alloy and size(mm)
Alloy | Temper | size | |
thinkness | width | ||
1145,1235,1100,1200.8011,8011A.8079 | FI14,H16,H18 | 0. 25-0. 70 | 400mm-2000mm |
3. Chemical composition
Alloy | Chemical composition(pct) | |||||||||||
Si | Ee | Cu | Mn | Mg | Cr | Ni | Zn | Ti | other | Al | ||
single | total | |||||||||||
8011A | 0. 40-0. 8 | 0. 50-1. 0 | o. 10 | o. 10 | o. 10 | 0.1 | <0. 1G | m os | O. 05 | O. 15 | ||
8079 | 0..5〜0. 30 | 0. 7-1. 3 | <0. 05 | WO. 10 | <0. 05 | <0.15 |
4. Tolerance
Thinkness 'mm | Width mm | crown | flatness | Coil edge tolerance |
4%(noninate thinkness) | 1.5 | 0-1% | Less than 201 | Layer:3 mm, telescopicity:10 mm min. |
5. Physical properties
Alloy | Temper | UTS Rm /( N/mm) | ELOGATION (50 mm) |
1145,1235 | H18 | >140 | >1 |
H16 | 120-160 | >1 | |
H14 | 105-145 | >2 | |
1100,1200 | H18 | >150 | >1 |
H16 | 130-170 | >1 | |
H14 | 115 — 155 | >2 | |
8011,80HA,8079 | H18 | >160 | >1 |
H16 | 145-185 | >1 | |
H14 | 125-165 | >2 |
6. HYDROGEN
Less than 0U4 mL/100 g
7. Surface quality
The surface of cold-rolled strip for double zero aluminum foil shall not be subject to any defects such as corrosion, oil spots, peeling, metal or non-metal pressing materials, serious scratches, etc. affecting further processing.
The surface of cold-rolled strip for double zero aluminum foil allows for slight uneven color, stripes, etc. that do not affect further processing defects.
The rolled material shall be tightly rolled and rolled, with no cracked edges, burrs, scratches and scratches on the end surface.
No bird's nest or collapse is allowed in the roll.
No connectors are allowed for rolls.
8. grain size
Grain grain degree of casting rolling(casting)
The grain size of casting rolling(casting) shall not be lower than the second grade.
9. Annealed grain degree
Annealing grain size should not be less than one level.
10. Other requirements
If the Demand Party has other special requirements, the Supply Party and the Supply Party shall negotiate and specify in the contract.