cuzn39pb1.7铅黄铜力学性能化学成分介绍

cuzn39pb1.7黄铜力学性能化学成分介绍

牌号：cuzn39pb1.7

cuzn39pb1.7化学成分：

品牌：

standard:  en 1652: 1998

density ：8.4 g/cm 3 

cu：余量

zn：37.5-40.5

pb：1-2.5

fe：0.35

al:0.5

sn:0.8

mechanical properties of grade  cuzn39pb1.7

rm - tensile strength (mpa) (r380) 380

rm - tensile strength (mpa) (r410) 410

rp0.2 0.2％ proof strength (mpa) (r380) 160

rp0.2 0.2％ proof strength (mpa) (r410) 250

a - min. elongation at fracture (％) (r380) 20

a - min. elongation at fracture (％) (r410) 15

a - min. elongation lo = 100mm (％) (r410) 10

  brinell hardness   (hb):   (r380) 90

  brinell hardness   (hb):   (r410) 120