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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.

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

Copper-tin-lead alloy   CuSn7Zn2Pb3-B   ( CB492K ). 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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