x
P R A T H A M

INDIAN

USA

Copper

Magnesium

Silicon

Iron

Manganese

*Others

Remarks

USAGE

OLD

NEW

(AA)

Min.

Max.

Min.

Max.

Min.

Max.

Max.

Max.

Max.

(Total)

1 C

19000

1100

0.10

0.5

0.6

0.1

0.1

Aluminium 99.0% Min Packaging lightly stresses & decorative assemblies

1200

0.05

Si+Fe 1.0

0.05

0.1

Aluminium 99.0% Min
1 B

19500

1050

0.05

0.25

0.1

0.05

0.1

Aluminium 99.5% Min Electrical conductors, cable sheathings, impact- extruded products, pressing utilities of anodizing quality, pen caps, piping etc.
1 E

19501

0.04

0.15

0.35

0.03

0.1

Aluminium 99.5% Min

1350

0.05

0.10

0.40

0.01

0.1

Aluminium 99.5% Min

19600

1060

0.05

0.25

0.35

0.03

0.1

Aluminium 99.6% Min

19700

1070

0.03

0.2

0.25

0.03

0.1

Aluminium 99.7% Min
H 15

24345

2014

3.8

5.0

0.2

0.8

0.5

1.2

0.7

0.3

1.2

0.5

Highly stressed component of all types in aircraft, ordnance other structures, screw machine products.
H 14

24534

2017

3.5

4.7

0.4

1.2

0.2

0.7

0.7

0.4

1.2

0.5

N 3

31000

3003

0.1

0.1

0.6

0.7

1.0

1.5

0.4

N 21

43000

4043

0.1

0.2

4.5

6.0

0.6

0.5

0.2

Welding wire, architectural applications.
N 2

46000

1017

0.1

0.2

10.0

13.0

0.6

0.5

0.2

N 4

52000

5052

0.1

1.7

2.6

0.6

0.5

0.5

0.4

Cr + Mn = 0.50/0 Structures exposed to marine atmosphere, aircraft ship building, parts, wire rope ferrules, rivet stock.
N 5

53000

5086

0.1

2.8

4.0

0.6

0.5

0.5

0.4

Cr + Mn = 0.5%
N 6

55000

5056

0.1

4.5

5.6

0.6

0.7

0.5

0.4

Chromium upto 0.250/0 Zips, Welding Rods and Rivets.
N 8

54300

5083

0.1

4.0

4.9

0.4

0.7

0.5

1.0

0.4

Chromium upto 0.25°/a
H 20

65032

0.15

0.4

0.7

1.2

0.4

0.8

0.7

0.2

0.8

0.4

**Cr O.15-0.35% Heavy duty building hardware for bus body,rivets etc

6061

0.15

0.4

0.8

1.2

0.4

0.8

0.7

0.15

0.4

Cr 0.04 to 0.35%
H 9

63400

6063

0.1

0.4

0.9

0.3

0.7

0.6

0.3

0.4

Good surface finish, medium strength,anodized sec.

6066

0.7

1.2

0.8

1.4

0.9

1.8

0.7

0.6

1.1

0.4

Welded struct., textile parts, heavy duty m/c parts.

64423

0.5

1.0

0.5

1.3

0.7

1.3

0.8

1.0

91E

63401

6101

0.05

0.4

0.9

0.3

0.7

0.5

0.03

0.1

High strength electrical busbar sections.

64401

6201

0.1

0.6

0.9

0.5

0.9

0.5

0.03

0.1

Overhead conductors, ACAR and AAAC.
H 30

64430

6351

0.1

0.4

1.2

0.6

1.3

0.6

0.4

1.0

0.3

General engg. item rail, vehicles, bridges, cranes

6082

0.1

0.6

1.2

0.7

1.3

0.5

0.4

1.0

0.3

Chromium upto 0.25%

74530

7039

0.2

1.0

1.5

0.4

0.7

0.2

0.7

0.4

Zinc 4.0 – 5.0 % Excellent welding property with no loss of str

7075

1.2

2.0

2.1

2.9

0.40

2.1

2.9

0.15

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