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  CuSn7Zn2Pb3-B   ( CB492K )

    Grade :     CuSn7Zn2Pb3-B
    Number:     CB492K
    Standard: EN 1982 : 2008   Copper and copper alloys. Ingots and castings
    Classification:     Copper-tin-lead alloy
    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 )
These comparison tables are only intended as an indication of the closest khown equivalent grades.
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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
Mechanische Eigenschaften
Caracteristiques mecaniques
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

Chemical composition of   CuSn7Zn2Pb3-B   ( CB492K ). Equivalent grades of   CuSn7Zn2Pb3-B   ( CB492K ).
Standards of   CuSn7Zn2Pb3-B   ( CB492K ). Properties of   CuSn7Zn2Pb3-B   ( CB492K ). Hardness of   CuSn7Zn2Pb3-B   ( CB492K ).

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