Products - Aluminum Re-drawn Tubes

 

Alloy Composition and Standard for Cots, Car Air-conditioner / Radiator

 
Standard
Composition
ASTM/BS
IS
DIN
CANADA
Cu
Mg
Si
Fe
Mn
Zn
Ti
Cr
Al
3003
31000
Al Mn
3 S
0.1
0.1
0.6
0.7
0.8-1.5
0.2
0.2
0.2
Remainder
3103
-
Al Mn1
-
0.1
0.3
0.5
0.7
0.9-1.05
0.2
0.1
0.1
Remainder
   
Bullet
ECCENTRICITY
 
TIR is 0.1 mm for size less than 40 mm ID.
TIR is 0.2 mm max. for size above 40 mm ID.
   
Bullet
STRAIGHTNESS
 
The straightness of tubes is 1:760 mm.
   
Bullet
LENGTH
 
The Standard available length is 1000 mm.
It can also be supplied in customer's specific length up to 2 mtrs.
   
Bullet
INTERNAL SURFACE FINISH
 

Good Surface finish, free from plug markings, scores and harmful particles/defects, is provided to fit smoothly on the spindles. We deliver tubes whose surface roughness value is Ra 0.5 µ maximum.

   
Bullet
BORE INSPECTION
 
All the tubes are checked 100% by Go - No Go plug gauges before dispatches.
   
Bullet
PACKING
 

Sufficient care has been taken for packing to avoid storage and transit surface damage of tubes.

   
Bullet
NON Standard SIZE AND ALLOYS
 

Custom made sizes can be made in any of the sizes and alloy to suit customers requirement.