Products we Trade in

Circles

Circles, also known as flat circular sheets, are extensively used in the manufacture of cans, non-stick cookware, coated cookware,

Specification
Circles

Circles, also known as flat circular sheets, are extensively used in the manufacture of cans, non-stick cookware, coated cookware, pressure cookers, etc. and are available in a variety of diameters and thicknesses to meet specific needs.

Hindalco offers circles, also known as flat circular sheets, in a variety of diameters and thicknesses to meet specific needs. Extensively used in the manufacture of pressure cookers, non-stick cookware, coated cookware, cans, etc., they have earned the trust of many leading brands.

Continuous upgrades and process improvement enable us to keep pace with the demands of our ever-growing clientele.

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
Earring <5% for 'O' temper
<9% for H12, H14, H16, H18
-
Mechanical properties
Alloy (AA) Temper  UTS (mpa) %E (min)
(50-mm gauge length)
Min Max
1200 O 70 110 20
1200 H18 140 - 2
8011 O 85 120 20
8011 H18 175 - 2
Die sizes
For circles
Thickness (mm) Diameter (mm)
< 2.00 normal: 190.5, 197, 203, 216, 222, 229, 235, 238,
241, 245, 247.5, 250, 254, 267, 273, 279, 280, 292,
300, 305, 307, 330
2.00 6.35 normal: 250, 255, 263, 275, 285, 295, 298, 300, 305,
310, 312, 247.5, 250, 315, 325, 330, 332.5, 335,
336, 350, 355, 358, 360, 365, 370, 375, 380, 385, 387,
390, 395, 406, 410, 412, 415, 416, 430, 435, 456, 465,
484, 485, 489, 490, 517
For ovals
1.75 3.00 normal: 198x211, 242.5x159.5, 144x157, 160x173
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
1200 O 29 70 110 close
H14 5 105 140 1/2T
H16 4 125 150 1/2T
H18 3 140 - 1T
3003 O 25 90 130 close
H14 5 130 180 1/2T
H16 4 150 195 1T
H18 3 170 - 3T
3103 O 25 90 130 close
H14 5 130 180 1/2T
H16 4 150 195 1T
H18 3 170 - 3T
8011 O 25 85 120 close
H14 5 125 160 1/2T
H16 4 150 180 1T
H18 3 175 - 3T
3103DAQ* O 24 90 130 close
3103SDAQ** O 24 90 130 close
H14 5 130 180 1/2T
5251 O 16 175 215 close
6082 O 14 150 175 1T
3103 (ovals) H14 3 130 180 1/2T
** For thickness 2.6 mm and less, elongation values are for guidance only and not guaranteed. For this purpose bend test as specified may be carried out.
* Grain size of 3103DDAQ (deep drawn anodising quality) is <= 100 microns
** Grain size of 3103SDAQ (shall drawn anodising quality) is <= 150 microns
Chemical composition
Alloy (%) AA 1050 AA 1070 AA 1200 AA 3003 AA 3103 AA 8011 AA 5251 AA 6082
Fe 0.40 0.25 1.00 0.70 0.70 0.6 1.0 0.50 0.50
Si 0.25 0.20 (Fr + Si) 0.60 0.50 0.5 0.9 0.40 0.70 1.30
Mg 0.05 0.03 - - 0.30 0.05 1.70 2.40 0.60 1.20
Mn 0.05 0.03 0.05 1.00 1.50 0.90 1.50 0.20 0.10 0.50 0.40 1.00
Cu 0.05 0.04 0.05 0.05 0.20 0.10 0.10 0.20 0.20
Zn 0.05 0.04 0.10 0.10 0.20 0.20 0.20 0.20
Ti 0.03 0.03 0.05 0.10 (Ti + Zr) 0.10 (Ti + Zr) 0.08 0.20 0.10
Cr - - - - 0.10 0.05 0.20 0.25
Each (others) 0.03 0.03 0.05 0.05 0.05 0.05 0.10 0.05
Total (Others) - - 0.125 0.15 0.15 0.15 0.20 0.15
Al 99.50 99.70 99.00 Remainder Remainder Remainder Remainder Remainder
Single number indicates maximum content

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.

Applications:

  • Pressure cookers, non-stick cookware and hard anodised cookware
  • Milk cans
  • Medical cylinders
Copyright © 2016 Angel's Aluminium Corporation | Legal disclaimer | Sitemap