REFRIGERATION
GRADE COPPER TUBES Crane Enfield
tubes are supplied in both hard drawn
straight lengths and annealed coils,
after meticulous cleaning, dehydrating
and capping, to ensure that the internal
cleanliness standards are fully met.
STANDARD EXPORT
LENGTHS
Form
Temper
Length
(m)
Straight
Hard Drawn
5.8
Pancake Coil
Annealed
15.0
Highly effective and
economical loading of 20 foot containers
can be achieved, using 5.8 metre lengths
for straight tubes. Lengths of 20 feet
can be supplied, however this requires
the use of 40 foot containers and possibly
less effective loading.
MANUFACTURING
STANDARDS
Code
Copper
Alloy No.
Chemical
Requirement
American ASTM B280
UNS. C12200
Cu
99.9% min, P0.015-0.040%
Australian AS1571
C122
Cu
99.9% min, P0.015% min 0.040%
max
CLEANNESS
REQUIREMENTS
All tubes are cleaned and sample tested to
meet the residue requirement as specified
by the codes at 0.038 g/m² (0.0035g/ft²).
TUBE
INTEGRITY
All tubes are electronically tested by Eddy
Current method, to the requirements of ASTM
E243.
STANDARD SIZES
AND DATA FOR ANNEALED COIL COPPER TUBES
Standard
Size
( in.)
Outside
Diameter
(mm)
Wall
Thickness
(mm)
3/16
4.76
0.76
1/4
6.35
0.76
5/16
7.92
0.81
3/8
9.52
0.81
1/2
12.7
0.81
5/8
15.9
0.89
3/4
19.1
0.89
3/4
19.1
1.07
7/8
22.2
1.14
1 1/8
28.6
1.27
1 3/8
34.9
1.40
STANDARD SIZES
AND DATA FOR HARD DRAWN STRAIGHT LENGTH
COPPER TUBES