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  CuSn7Zn2Pb3-B   ( CB492K )


    Grade :     CuSn7Zn2Pb3-B
    Number:     CB492K
    Classification:     Copper-tin-lead alloy
    Standard: EN 1982: 2008 Copper and copper alloys. Ingots and castings
    Equivalent grades:     Go here



Chemical composition %   of grade   CuSn7Zn2Pb3-B   ( CB492K )
A suffix -B is added to the designation to identify material in the form of ingots
Fe Si Ni P SAl Cu PbZn Sb Sn -
max   0.2max   0.01max   2max   0.03max   0.08max   0.0185 - 88.52.7 - 3.51.7 - 3.2max   0.256.2 - 8 Cu including Ni;


Mechanical properties of grade   CuSn7Zn2Pb3-B   ( CB492K )

Rm - Tensile strength (MPa) (GS) or (GM)230
Rm - Tensile strength (MPa) (GZ)260
Rm - Tensile strength (MPa) (GC)270


Rp0.2 0.2% proof strength (MPa) (GS) or (GM)130
Rp0.2 0.2% proof strength (MPa) (GZ)130
Rp0.2 0.2% proof strength (MPa) (GC)130


A - Min. elongation at fracture (%) (GS)14
A - Min. elongation at fracture (%) (GM) or (GZ) or (GC)12


  Brinell hardness   (HBW):   (GS)65
  Brinell hardness   (HBW):   (GM) or (GZ) or (GC)70


Equivalent grades of grade   CuSn7Zn2Pb3-B   ( CB492K )
Warning! Only for reference
Germany
DIN,WNr
2.1095
GB-CuSn6ZnNi


Casting process
GS Sand casting
GM Permanent mould casting
GZ Centrifugal casting
GC Continuous casting
GP Pressure die casting


Material conditions
R Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements
H Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements


Mechanical properties
ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale
Rm Tensile strength / Zugfestigkeit / Resistance a la traction
A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc

  CuSn7Zn2Pb3-B   ( CB492K ) Copper-tin-lead alloy
Chemical composition. Equivalents of   CuSn7Zn2Pb3-B   ( CB492K ).
Standards.1 Mechanical Properties. Hardness


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