Product Introduction
|
GB
|
ISO
|
ASTM
|
JIS
|
|
QAl5
|
CuAl5
|
C60800
|
C5102
|
|
QAl7
|
CuAl7
|
C61000
|
-
|
|
GB
|
Chemical Comosition(%)
|
||||||||
|
Sn
|
Al
|
Zn
|
Mn
|
Fe
|
Pb
|
Ni
|
Si
|
Cu
|
|
|
QAl5
|
0.1
|
4.0-6.0
|
0.5
|
0.5
|
0.5
|
0.03
|
0.5
|
0.1
|
Balance
|
|
QAl7
|
-
|
6.0-8.5
|
0.2
|
-
|
0.5
|
0.02
|
0.5
|
0.1
|
Balance
|
|
Grade
|
Upper critical point temperature/℃
|
coefficient of linear expansion(20℃) ɑ/10-6
|
thermal conductivity/λ/W·(m·K)-1
|
electrical resistivity under 20℃ ρ/Ω·mm2·m-1
|
|
QAl5
|
1060
|
18.0
|
104.7
|
0.10
|
|
QAl7
|
1040
|
17.8
|
79.5
|
0.11
|
|
Grade
|
temperature coefficient of
resistance ɑ(20-100℃)
|
Heat processing
temperature/℃
|
annealing temperature/℃
|
machinability/%
|
|
QAl5
|
0.0016
|
830-880
|
600-700
|
20
|
|
QAl7
|
0.001
|
830-880
|
650-750
|
20
|
C61000 has good cold workability, acceptable hot workability. And it is mainly used as a condenser, evaporator, heat exchanger tubes, distillation tube fittings, etc.
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