Grade : CuAl7Si2 易切削耐腐蚀环保锻打铜圆棒
Number: CW302G
Classification: 铜铝合金
Density 7.7 g/cm 3
Standard: EN 12163:1998铜和铜合金。通用杆
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 CuAl7Si2 ( CW302G )
Fe Si Mn Ni Al Pb Zn Sn Others -
max 0.3 1.5 - 2.2 max 0.2 max 0.2 6.3 - 7.6 max 0.05 max 0.5 max 0.2 total 0.2 Cu - remainder
Mechanical properties of grade CuAl7Si2 ( CW302G )
Rm - Tensile strength (MPa) (R500) 500
Rm - Tensile strength (MPa) (R600) 600
Rp0.2 0.2% proof strength (MPa) (R500) 250
Rp0.2 0.2% proof strength (MPa) (R600) 350
A - Min. elongation at fracture (%) (R500) 20
A - Min. elongation at fracture (%) (R600) 12
Brinell hardness (HB): (H120)(R500) 120 - 150
Brinell hardness (HB): (H140)(R600) 140