Designation system of Cu and Cu-alloys (1)
Designation
pure Cu – Cu-ETP etc.
Cu deformable alloys – CuZn36Pb3
Cu cast alloys – G-CuSn10 (types of casting : GS – sand casting,
GM – die casting, GZ – centrifugal casting,
GS – cont. casting , GP – pressure die casting)
Conditions (properties) based designation after main designation (EN1173)
Letters
A – elonagtion (ex Cu-OF-A007)
B – bending strength (ex CuSn8-B410)
D – drawn, without mech. properties
G – grain size (ex CuZn37-G020)
H – hardness (Brinell or Vickers) (ex CuZn37-H150)
M – as manufactured cond. , without mech. properties
R – tensile strength (ex CuZn39Pb3-R500)
Y – yield strength (ex CuZn30-Y460)