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Désignations usuelles : UE7 - CUSN7
Bronze ordinaire
Composition chimique en %
|
Cu
|
Sn
|
Pb
|
Zn
|
Fe
|
Ni
|
Sb
|
S
|
P
|
Al
|
Mn
|
Si
|
|
bal.
|
6.0 - 8,0
|
5,0 - 7,0
|
2,0 - 5,0
|
≤ 0,20
|
≤ 1,5
|
-
|
≤ 0,1
|
-
|
≤ 0,01
|
-
|
≤ 0.01
|
Caractéristiques mécaniques
|
|
Erp0.2
N/mm²
|
Rm
N/mm²
|
A%
|
H.B.
|
|
Moulage sable GS
|
120
|
230
|
15
|
60
|
|
Coulée centrifuge GZ
|
120
|
260
|
12
|
70
|
|
Coulée continue GC
|
120
|
260
|
12
|
70
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Normes internationales équivalentes
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NFEN1982
|
=
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CuSn7Zn4Pb7 - C/C493K
|
|
GAM-MM12
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=
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CuSn7Pb6Zn4
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ISO 1338
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=
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CuSn7Pb6Zn3
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DIN 1705
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=
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CuSn7ZnPb (RG7)
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