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Standards: Â ASTM B 111 C68700 aluminum brass tube,ASME SB111 CuZn20Al2 HEAT EXCHANGER TUBE
Size range: OD 2.0 to 350mm, WT 0.3 to 50mm, Length 18m or as request.
Testing: 100% Eddy Current Testing, 100% hydraulic Testing.
Delivered in straight lengths or as U-bent tubes.
We also supply copper alloy complementary products for heat exchanger applications.
 Finned Tube,Tubesheet, EEMU 146 pipe fitting, EEMU 145 pipe flange etc.
Type of productGrade(s)Â
Technical requirementsÂ
* according to
Copper tube/ pipe
UNSÂ C12200
ASTM B111, ASME SB111
ASTM B135, ASME SB135
ASTM B251, ASME SB251
BS EN 1057 or closer
Brass tube/pipe
UNS C23000, UNS C26200 ...
UNS C44300, UNS C68700 ...
Cupronickel tube/pipe
UNS C70600, UNS C71500
UNSÂ C71640
classification
class
Chemical Composition(%)
Related Standards
Â
Cu
Zn
Pb
Fe
P
Sn
Ni
Mn
Al
As
other
KS
JIS
ASTM
BS
DIN
Â
Al-brass
1
70.0-
Rem.
0.05
0.05
Â
0.9-
Â
Â
Â
0.02-
Â
D5301
H3300
B111
2871
1785
73
max.
max.
1.2
0.06
C4430Â
C4430Â
C44300Â
Cz111Â
CuZn28Sn
Â
Â
Â
Â
Â
Â
Â
Â
Â
Â
2
76.0-
Rem.
0.05
0.05
Â
Â
Â
Â
1.8-
0.02-
Si 0.02
C6871
C6871
C68700
Cz110
CuZn20Al
79
max.
max.
2.5
0.06
-0.5
3
76.0-
Rem.
0.05
0.05
Â
Â
0.20-
0.20-
1.8-
0.02-
Cr0.10
C6872
C6872
C68700
Cz110
CuZn20Al
79
max.
max.
1
max.
2.5
0.06
max.
4
76.0-
Rem.
0.05
0.05
Â
Â
Â
Â
1.8-
0.02-
Â
C6870
C6870
C68700
Cz110
CuZn20Al
79
max.
max.
2.5
0.06
ASME Sb111 C68700 Aluminum Brass Tubes, Cuzn20al2 Heat Exchanger Tube