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| Aluminium |
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World's
largest aluminium rolling company |
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One
of the biggest producers of primary aluminium in Asia |
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Market
share of 48 per cent |
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One of the lowest-cost producers of aluminium in the world
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Over
58 per cent of sales in value-added products |
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Fully
integrated aluminium plant at Renukoot, UP |
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Aluminium
wheels plant at Silvassa, in Dadra & Nagar Haveli |
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Foil
plants at Silvassa and Kalwa. Foil unit of Indal at Kollur |
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ISO
9001:2000 and 14001 certified |
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Alumina
refining capacity of 1,160,000 tpa going up to 1,500,000
tpa |
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Aluminium
metal producing capacity of 445,000 tpa |
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Captive
power generation of 1087.2 mw |
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Copper
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India's
largest copper smelting and refining plant at Dahej, Gujarat,
with two copper mines in Australia
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Domestic
market leader with 45 per cent market share |
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Smelting
and refining capacity 500,000 tpa, the largest single
location smelter in the world |
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Captive
jetty (Dahej Harbour & Infrastructure Limited, a wholly
owned subsidiary) |
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ISO
9001,14001 and OSHAS 18001 certified |
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Registered
on London Metal Exchange as Grade A Copper Brand |
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Certified
as a Star Trading House |
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| rolled
products |
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Hindalco
offers circles, also known as flat circular
sheets, in a variety of diameters and thickness
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 improvement of processes
enable the company to keep pace with the demands
of its ever-growing clientele.
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| Dimensions |
|
Parameter
|
Range
|
Tolerance
|
|
Thickness
for circles (mm)
|
0.71
— 6.35
|
for
0.71 to 1.4 +/-0.08
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|
for
1.41 to 2.5 +0.1, -0.13
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for
2.51 to 4.0 +/-0.13
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for
4.01 to 5.00 +/-0.15
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for
5.01 to 6.35 +/-0.20
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Thickness
for ovals (mm)
|
1.75
— 3.00
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for
1.75 to 2.5 +0.1, -0.13
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for
2.51 to 3.00 +/-0.13
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Diameter
(mm)
|
102
— 1250
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(a)
sheared circles +2, -0
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(b)
punched circles +0.5, -0
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Earing
|
<5%
for 'O' temper
<9% for H12, H14, H16, H18
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-
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| 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
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|
2.00
— 6.35
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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
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| For
ovals |
|
1.75
— 3.00
|
normal:
198x211, 242.5x159.5, 144x157, 160x173
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| Mechanical
properties |
|
Alloy
(AA)
|
Temper
|
%E
(min)
(at 50 mm
gauge length)
|
UTS
(mpa)
|
Bend
test:
radius of bend
(T=material thickness)
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|
Min
|
Max
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1050
|
O
|
29
|
55
|
95
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close
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H14
|
6
|
95
|
125
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1/2T
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H18
|
4
|
125
|
-
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1T
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|
1070
|
O
|
29
|
95
|
-
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close
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H14
|
6
|
95
|
120
|
1/2T
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H18
|
4
|
120
|
-
|
1T
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|
1200
|
O
|
29
|
70
|
110
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close
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H14
|
5
|
105
|
140
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1/2T
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H16
|
4
|
125
|
150
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1/2T
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H18
|
3
|
140
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-
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1T
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3003
|
O
|
25
|
90
|
130
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close
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H14
|
5
|
130
|
180
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1/2T
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H16
|
4
|
150
|
195
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1T
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H18
|
3
|
170
|
-
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3T
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3103
|
O
|
25
|
90
|
130
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close
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H14
|
5
|
130
|
180
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1/2T
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H16
|
4
|
150
|
195
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1T
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H18
|
3
|
170
|
-
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3T
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|
8011
|
O
|
25
|
85
|
120
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close
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H14
|
5
|
125
|
160
|
1/2T
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H16
|
4
|
150
|
180
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1T
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H18
|
3
|
175
|
-
|
3T
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3103DAQ*
|
O
|
24
|
90
|
130
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close
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3103SDAQ**
|
O
|
24
|
90
|
130
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close
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H14
|
5
|
130
|
180
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1/2T
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|
5251
|
O
|
16
|
175
|
215
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close
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|
6082
|
O
|
14
|
150
|
175
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1T
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3103
(ovals)
|
H14
|
3
|
130
|
180
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1/2T
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**
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.
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*
Grain size of 3103DDAQ (deep drawn anodising
quality) is <= 100 microns
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**
Grain size of 3103SDAQ (shall drawn anodising
quality) is <= 150 microns
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| 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
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| Mg |
0.05
|
0.03
|
-
|
-
|
0.30
|
0.05
|
1.70
— 2.40
|
0.60
— 1.20
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| Mn |
0.05
|
0.03
|
0.05
|
1.00
— 1.50
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0.90
— 1.50
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0.20
|
0.10
— 0.50
|
0.40
— 1.00
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| 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
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| Total (Others) |
-
|
-
|
0.125
|
0.15
|
0.15
|
0.15
|
0.20
|
0.15
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| Al |
99.50
|
99.70
|
99.00
|
Remainder
|
Remainder
|
Remainder
|
Remainder
|
Remainder
|
|
Single
number indicates maximum content
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| 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.
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