Aluminium Mill Sheets in Coils

 
Aluminium Mill Sheets in Coils  

 

 

Components:

Al 99% min & other alloy

 

Temper:

Soft, 1/2 Hard, 3/4 Hard & Hard

 

Size:

Thickness

Width

 

SWG18-32

12"-48"

 

0.3-2 mm

1200mm/below

Uses:

For making cooling utensils, bottle covers, cigarette cases, hoses, sign boards, etc.


Table 1: Mechanical Properties (Al. 99% min.)

 

Temper

Tensile Strength kg/mm2 (min.)

Elongation on 50.8 mm.(% min)

Brinell Hardness kg/mm2

Soft

8-10

25

18-23

1/2 Hard

10-14

5

30-36

3/4 Hard

13-16

3

34-39

Hard

15 & up

3

39 & up

Remarks: The above elongation rate applicable only to flat sheets thicker than SWG 21


Table 2: Tolerance on Thickness & Width

 

Thickness mm

Tolerance mm

Width

Tolerance%

 

 

in.

mm.

 

0.18-0.60

+0.025

+0.025

-0.050

±0.050

+0.050

-0.075

12-18

304.8-457.2

±0.15

0.61-0.71

12-22

304.8-558.8

±0.15

 

 

 

 

0.72-1.00

12-22

304.8-558.8

±0.15

1.01-1.07

12-22

304.8-558.8

±0.15