Aluminium Alloys

Technical Specification
HOW ALLOYING ELEMENTS AFFECT ALUMINIUM

Series

Main Alloy

Effect on Alloying Elements

1000

Non (99% Alum.)

Unalloyed aluminium is highly corrosion resistant, low strength, workable, conductive, Non-heat-treatable.

2000

Copper Based

Gives strength, hardness, machinability, Heat-treatable

3000

Manganese Based

Adds moderate strength, good workability. Non-heat-treatable

5000

Magnesium Based

Moderate to high strength. Corrosion resistant. Non-heat-treatable

6000

Magnesium & Silicon Based

Increase strength, formability, corrosion resistant. Heat-treatable.

7000

Zinc Based

For greatest strength. Heat-treatable.

Note: 1000, 3000, 5000 and 6000 alloys have good welding characteristics and corrosion resistant. 2000 and 7000 alloys have higher strength and better machinability, but lower weldability and corrosion resistant.

 WROUGHT ALLOYS: NEAR EQUIVALENT DESIGNATION

INDIA

U.S.A.

BRITAIN

CANADA

GERMANY

RUSSIA

I.S.O.

FRENCH

New IS

Old IS

(A.A.)

(B.S.)

 

(DIN)

-

-

-

19501

1E

1050(E.C.)

1E

C 1S

E-Al 99.5

-

Al-99.5

1050A

19500

1B

1050

1B

1S

A-99.5

-

-

-

19600

-

1060

-

-

-

-

Al-99.7

-

19700

-

1070

-

-

Al-99.7

-

Al-99.8

-

19800

1A

1080

1A

-

-

-

Al-99.0

1200

19000

1C

1100

1C

2S

Al-99.0

AD

Al-Cu-6 Bi Pb

2011

-

-

2011

FC1

28S

Al-Cu-Bi-Pb

-

-

-

24345

H15

2014

H15

B26S

Al-Cu-Si

AK

Al-Cu-4Mg Si

-

24534

H14

2017

H14

17S/16S

-

D1

Al-Cu-4Mg 1

2024

-

-

2024

-

24S

Al-Cu-Mg.2

-

AlCu-4PbMg

2030

-

-

2030

-

-

Al-Cu-Mg-Pb

-

Al-Cu2-Mg1.5-Ni

2618

-

-

2618

2618

-

-

-

A-Mn 1

3003

31000

N3

3003

N3

3S

Al-Mn

A-Mn

Al Mn 1 Mg 1

3004

-

-

3004

-

 

Al-Mn.1-Mg.1

 

Al Mn 1 Mg 0.50

3005

-

-

3005

-

 

Al-Mn.1-Mg.0.50

 

Al-Si5

4043

43000

N21

4043

N21

33S

Al-Si-5

AK

-

-

46000

N2

4047

N2

35S

-

-

A-Mg-1

-

51000

-

5005

-

B57S

-

-

Al-Mg-2

5251

 

 

5051

5251

 

Al-Mg.2 Mn.0.30

 

A-Mg-2.5

5051

52000

N4

5052

N4

M57S

Al-Mg.2

A-Mg

A-Mg-4

-

53000

N5

5086

N5

54S

-

A-Mg-3

Al-Mg-4.5 Mn

5083

54300

N8

5083

N8

D54S

Al-Mg-4.5 Mn

-

Al-Mg.5

5356

55000

N6

5056

N6

A56S

Al-Mg.5

-

Al-Mg.3-Mn

5454

 

 

5454

5454

 

Al-Mg.2.7-Mn

-

Al.Mg.3

5754

 

5754

 

 

Al-Mg.3

Al-Mg-1Si Cu

-

65032

H20

6061

H20

65S

Al-Mg-Si Cu

-

Al-Mg-Si

-

63400

H9

6063

H9

50S

Al-Mg-Si 0.5

-

Al-Si-1 Mg

6081

64430

H30

6351

H30

B51S

Al-Mg-Si 1

AV

Al-Si-1 Mg Mn

6082

 

6082

6082

 

Al-Mg-Si 1

-

-

-

64423

H11

6066

H11

C62S

-

 

-

-

62400

-

6005

-

C51S

-

-

-

-

63401

91E

6101

91E

D50S

E.Al.Mg.Si 0.5

-

-

-

64401

-

6201

-

-

 

-

-

-

-

-

7020

7020

-

 

-

-

7020

74530

-

7039

-

D74S

 

-

-

3004

-

-

7075

DTD-5124

75S

 

-

Al-Zn 6 Mg Cu

7075

40800

 

8011

 

 

 

-

Al-Fe-Si

8011

 WROUGHT ALLOYS: CHEMICAL COMPOSITION LIMITS (PER CENT)

ALLOY 
(ISS) 

EQUIVALENT
ALLOY (A.A.)

COPPER 

MAGNESIUM 

SILICON 

IRON 

MANGANESE 

*OTHERS 
(TOTAL)

REMARKS

OLD

NEW

U. S. A. 

MIN. 

MAX. 

MIN. 

MAX. 

MIN. 

MAX. 

MAX. 

MIN, 

MAX. 

MAX. 

 

1 C

19000

1100

-

0.10

-

-

-

0.5

0.6

-

0.1

0.1

Aluminium 99.0% Min.

-

-

1200

-

0.05

-

-

-

Si+Fe 1.0

-

-

0.05

0.1

Aluminium 99.0% Min.

1 B

19500

1050

-

0.05

-

-

-

0.25

0.4

-

0.05

0.1

Aluminium 99.5% Min.

1 E

19501

-

-

0.04

-

-

-

0.15

0.35

-

0.03

0.1

Aluminium 99.5% Min.

-

19600

1060

-

0.05

-

-

-

0.25

0.35

-

0.03

0.1

Aluminium 99.6% 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

-

H 14

24534

2017

3.5

4.7

0.4

1.2

0.2

0.7

0.7

0.4

1.2

0.5

-

-

-

2024

3.8

4.9

1.2

1.8

-

0.5

0.5

0.3

0.9

0.15

Zn 0.25

N 3

31000

3003

-

0.1

-

0.1

-

0.6

0.7

1.0

1.5

0.4

-

N 4

52000

5052

-

0.1

1.7

2.6

-

0.6

0.5

-

0.5

0.4

Cr + Mn = 0.5

N 5

53000

5086

-

0.1

2.8

4.0

-

0.6

0.5

-

0.5

0.4

Cr + Mn = 0.5

N 8

54300

5083

-

0.1

4.0

4.9

-

0.4

0.7

0.5

1.0

0.4

Chromium up to 0.25

H 20

65032

-

0.15

0.4

0.7

1.2

0.4

0.8

0.7

0.2

0.8

0.4

**Cr = 0.15 - 0.35

-

-

6061

0.15

0.4

0.8

1.2

0.4

0.8

0.7

-

0.15

0.4

Chromium 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

-

-

-

6066

0.7

1.2

0.8

1.4

0.9

1.8

0.7

0.6

1.1

0.4

-

-

64423

-

0.5

1.0

0.5

1.3

0.7

1.3

0.8

-

1.0

-

-

9 1E

63401

6101

-

0.05

0.4

0.9

0.3

0.7

0.5

-

0.03

0.1

-

H 30

64430

6351

-

0.1

0.4

1.2

0.6

1.3

0.6

0.4

1.0

0.3

-

-

-

6082

-

0.1

0.6

1.2

0.7

1.3

0.5

0.4

1.0

0.3

Chromium up to 0.25



-



-



7010



1.5



2.0



2.1



2.6



-



0.12



0.15



-



0.1



-

Zn 5.7 - 6.7
Cr 0.05
Zr 0.11 - 0.17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

-

7018

-

0.2

1.2

1.4

-

0.35

0.4

0.05

0.5

0.15

Zn 3.5 - 4.5

- - 7020 - 0.2 1.0 1.4 - 0.35 0.4 0.05 0.5 - Zn 4.00 - 5.00
Cr 0.10 - 0.35
Zr 0.08 - 0.20
- - 7150 1.9 2.5 2.0 2.7 - 0.4 0.15 - 0.1 - Zn 5.1 - 6.1 
Zr 0.08 - 0.15
Cr 0.18 - 0.28
- - 7175 1.2 2.0 2.1 2.9 - 0.15 0.2 - 0.1 - Zn 5.1 - 6.1 
Cr 0.18 - 0.28
- - 7475 1.2 1.9 1.9 2.6 - 0.1 0.12 - 0.06 - Zn 5.2 - 6.2 
Cr 0.18 - 0.25

*Titanium and / or other grain refining elements
**Either Mn or Cr shall be present
* This data is for reference purpose only


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