| |  |
| Production fonderie | | | Négoce | | | Services | |
|
|
| |
Désignations usuelles : Laiton HR
Composition chimique en %
| Al |
Cu (1)
|
Fe
|
Mn
|
Ni
|
Zn
|
P
|
Pb
|
Sb
|
Si
|
Sn
|
| 3,0 - 7,0 |
60, 0 - 67,0
|
1,5 - 4,0
|
2,5 - 5,0
|
≤ 3,0
|
bal.
|
|
|
|
|
|
(1) y compris le nickel
Caractéristiques mécaniques
|
|
Erp0.2
N/mm²
|
Rm
N/mm²
|
A%
|
H.B.
|
|
Moulage sable GS
|
450
|
750
|
8
|
180
|
|
Coulée centrifuge GZ
|
480
|
750
|
5
|
190
|
|
Coulée continue GC
|
480
|
750
|
5
|
190
|
Normes internationales équivalentes
|
NFEN1982
|
=
|
CuZn25Al5
|
|
GAM-MM12
|
=
|
CuZN23Al4
|
|
ISO 1338
|
=
|
CuZn25Al
|
|
DIN 1709
|
=
|
CuZn25Al
|
|
BS 1400 (Royaume-Uni)
|
=
|
HTB3
|
|
|
|
| |
|
