1050 / 1070 / 3003 Aluminium Circle for pots and pan setsSpecification1. Alloy: 1050/1060/1070/1100/3003
2. Temper: H12, H14, H24, HO
3. Thickness: 0.4-8.0mm
4. Diameter: 85-1250mm
5. End-use: Cookware, reflector, satellite
Aluminium circles |
The properties of aluminum circles (or shaped blanks) make them ideal for use in a number of markets including the cookware, automotive and lighting industries: |
Alloy | Temper | Thickness | Diameter |
1050, 1060, 1070, 1100, 3003 | O, H12, H14 | 0.36~10mm | 20~1200 |
Remark: special specifications can be produced according to your requirement |
Dimensions |
Parameter | Range | Tolerance |
Thickness for circles (mm) | 0.71 _ 6.35 | for 0.71 to 1.4 +/-0.08 |
for 1.41 to 2.5 +0.1, -0.13 |
for 2.51 to 4.0 +/-0.13 |
for 4.01 to 5.00 +/-0.15 |
for 5.01 to 6.35 +/-0.20 |
Thickness for ovals (mm) | 1.75 _ 3.00 | for 1.75 to 2.5 +0.1, -0.13 |
for 2.51 to 3.00 +/-0.13 |
Diameter (mm) | 102 _ 1250 | (a) sheared circles +2, -0 |
(b) punched circles +0.5, -0 |
Earing | < 5% for ' O' temper < 9% for H12, H14, H16, H18 | |
Mechanical properties |
Alloy (AA) | Temper | %E (min) (at 50 mm gauge length) | UTS (mpa) | Bend test: radius of bend (T=material thickness) |
Min | Max |
1050 | O | 29 | 55 | 95 | close |
H14 | 6 | 95 | 125 | 1/2T |
H18 | 4 | 125 | - | 1T |
1070 | O | 29 | 95 | - | close |
H14 | 6 | 95 | 120 | 1/2T |
H18 | 4 | 120 | - | 1T |
3003 | O | 25 | 90 | 130 | close |
H14 | 5 | 130 | 180 | 1/2T |
H16 | 4 | 150 | 195 | 1T |
H18 | 3 | 170 | - | 3T |
Chemical composition |
Alloy (%) | AA 1050 | AA 1070 | AA 1100 | AA 3003 |
Fe | 0.40 | 0.25 | 1.00 | 0.70 |
Si | 0.25 | 0.20 | (Fr + Si) | 0.60 |
Mg | 0.05 | 0.03 | - | - |
Mn | 0.05 | 0.03 | 0.05 | 1.00 _ 1.50 |
Cu | 0.05 | 0.04 | 0.05 | 0.05 _ 0.20 |
Zn | 0.05 | 0.04 | 0.10 | 0.10 |
Ti | 0.03 | 0.03 | 0.05 | 0.10 (Ti + Zr) |
Cr | - | - | - | - |
Each (others) | 0.03 | 0.03 | 0.05 | 0.05 |
Total (Others) | - | - | 0.125 | 0.15 |
Al | 99.50 | 99.70 | 99.00 | Remaining |
Surface quality |
Free from scratches, pit marks, rolling bands |
Applicable standards |
ASTM - B - 209M, Aluminium association _ aluminium standards and data, Hindalco manufacturing limits (as applicable). |
Packing |
The circles are packed in boxes or pallets with interleave paper, polythene, foam / thermocol. Pallets and boxes are strapped with hoop iron and clips. Silica gel packets are placed in the boxes for moisture protection. |