CuSn7Zn2Pb3-B
Copper Alloys
Property Overview
Density-g/cm³
Elastic ModulusUnknown
Tensile Strength270MPa
Yield Strength130MPa
Brinell Hardness70HB
Maximum Service TemperatureUnknown
Chemical Composition
B
CuSn7Zn2Pb3-B ( CB492K ) Copper-tin-lead alloy Chemical composition. Equivalents of CuSn7Zn2Pb3-B ( CB492K ). Standards.1 Mechanical Properties. Hardness%
Mechanical
A - Min. elongation at fracture (%) (GM) or (GZ) or (GC)
12
A - Min. elongation at fracture (%) (GS)
14
R p0.2 0.2% proof strength (MPa) (GC)
130
R p0.2 0.2% proof strength (MPa) (GS) or (GM)
130
R p0.2 0.2% proof strength (MPa) (GZ)
130
Rm - Tensile strength (MPa) (GC)
270
Rm - Tensile strength (MPa) (GS) or (GM)
230
Rm - Tensile strength (MPa) (GZ)
260
Hardness
Brinell hardness (HBW): (GM) or (GZ) or (GC)
70
Brinell hardness (HBW): (GS)
65
Registered Designations & Aliases
CB492KCuSn7Zn2Pb3-B
Standards
EN 1982 EN 1982: 2008 Copper and copper alloys. Ingots and castings