grade : cw704r锻件复杂铜锌合金
number: cuzn23al6mn4fe3pb
classification: 复杂铜锌合金
density 8.2 g/cm 3
standard: en 12163:1998铜和铜合金。通用杆
en 12165:1998铜和铜合金。锻造和未锻造坯料
en 12420:1999铜和铜合金。锻件
chemical composition ％ of grade cuzn23al6mn4fe3pb ( cw704r )
fe si mn ni al cu pb sn others -
2 - 3.5 max 0.2 3.5 - 5 max 0.5 5月6日 63 - 65 0.2 - 0.8 max 0.2 total 0.2 zn - remainder
mechanical properties of grade cuzn23al6mn4fe3pb ( cw704r )
rm - tensile strength (mpa) (r780) 780
rp0.2 0.2％ proof strength (mpa) (r780) 540
a - min. elongation at fracture (％) (r780) 8
vickers hardness ( hv): (h190) 200
brinell hardness (hb): (h190) 190
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