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LZ COMMODITY INVESTMENT LIMITED
 
LZ COMMODITY INVESTMENT LIMITED
 
Aliminium Brass

  This brass tube is most used in heat exchanger which is involved in sea water.

Weight formula: Average wall: (OD-WT)*WT*0.0265=Kg/m ( all sizes in mm)

STANDARD
GB/T8890
ASTM
BS
DIN
NF
JIS
HA177-2
C68700
CZ110
CuZn20A12
CuZn20A12
C6870
Cu
76.0-79.0
76.0-79.0
76.0-78.0
76.0-79.0
76.0-79.0
76.0-79.0
Al
1.8-2.5
1.8-2.5
1.8-2.3
1.8-2.3
1.8-2.5
1.8-2.5
Pb
0.07
0.07
0.07
0.07
0.07
0.07
Ni
 
 
 
0.1
 
 
Fe
0.06
0.06
0.06
0.07
0.06
0.06
Zn
Rem
Rem
Rem
Rem
Rem
Rem
As
0.02-0.06
0.02-0.1
0.02-0.06
0.02-0.035
0.02-0.06
0.02-0.06
P
 
 
 
0.01
 
 
Mg
 
 
 
0.005
 
 
Mn
 
 
 
0.1
 
 
Total impurities
 
 
0.3
Others 0.1
0.3
 
Condition
M
Y2
 
O61
 
M
TA
O
F39
F34
 
X690
 
 
O
 
 
Tensile Strength N/mm2
345
370
 
345
 
 
 
390
340
 
 
 
373
 
 
Elongation
(%)
50
45
 
 
 
 
45
55
 
 
 
40
 
 
GrainSize
(mm)
0.010-0.050
0.010-0.045
0.050
0.010-0.050
0.010-0.045
0.010-0.045
Typical: Most used copper alloy for heat exchanger tubes application. Represents the best option for any heat exchanger which is involved with saline water. The additon of arsenci has solved the problem of dezincfication.
Ø         Metal Point: 1240℃           Hot Working Properties: Good
Ø         Density(20℃): 8.94g/cm3          Cold Working Properties: Good
Weight Formula: Average wall: (OD-WT) * WT * 0.0265 = Kg/m (all sizes in mm)

 
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Tel:021-61240373 Fax:021-62337207 E-mail:lz_metal@163.com
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