grade : cuzn36sn1pb锻件复杂铜锌合金
number: cw712r
classification: 复杂铜锌合金
density 8.3 g/cm 3
standard: en 12163:1998铜和铜合金。通用杆
en 12166:1998铜和铜合金。通用电线
en 12167:1998铜和铜合金。通用型材和矩形钢筋
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 cuzn36sn1pb ( cw712r )
fe ni cu pb sn others -
max 0.1 max 0.2 61 - 63 0.2 - 0.6 1 - 1.5 total 0.2 zn - remainder
mechanical properties of grade cuzn36sn1pb ( cw712r )
rm - tensile strength (mpa) (r340) 340
rm - tensile strength (mpa) (r460) 460
rp0.2 0.2％ proof strength (mpa) (r340) 170
rp0.2 0.2％ proof strength (mpa) (r460) 340
a - min. elongation at fracture (％) (r340) 30
a - min. elongation at fracture (％) (r460) 12
brinell hardness (hb): (h080)(r340) 80 - 120
brinell hardness (hb): (h135)(r460) 135
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