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PRODUCTION STANDARDS


Copper tube refrigeration quality and
general engineering applications in
compliance with the following standards:

ASTM B280,ASTM B68, ASTM B75,
DIN 8905,DIN 1754 , DIN 17671 , DIN 1787 
UNI 7773 , UNI 3310 
 
MECHANICAL PROPERTIES
  Tensil strenght
N/mm²		 Hardness
HB		 Grain size
mm		 Elongation
%
Soft annealed 210 mm 55 0.015-0.040 40 min
Hard drawn 380 mm 110   3 min
COMPOSIZIONE CHIMICA
ASTM B224
DIN 1787
UNI 5649 
Cu+Ag > 99,90
P 0.015 - 0.040%
TOLERANCES
(mm) normal special * 
Ø ext +/- 0.05 +/- 0.01
Ø int +/- 0.05 +/- 0.01
L (10-500) -0/+1  
L (500-3000) -0/+5  
L (3000/5000 -0/+10 -0/+5

STANDARD PACKING
coils
Ø: 80 cm ; weight: 40 kg Wooden pallet +PVC wrap
Ø: 65 cm ; weight: 25 kg Wooden case
straight lenght
45x45xL cm Wooden case

* Where required as our additional requirement for some particular product