Gnee Steel (Tianjin) Co., Ltd.

CuSn12-B ( CB483K )

Jan 05, 2024

CuSn12-B ( CB483K )

CuSn12-B ( CB483K )CuSn12-B ( CB483K )CuSn12-B ( CB483K )

Grade : CuSn12-B
Number: CB483K
Classification: Copper-tin alloy
Standard: EN 1982: 2008 Copper and copper alloys. Ingots and castings
Equivalent grades: Go here

 



Chemical composition % of grade CuSn12-B ( CB483K )

A suffix -B is added to the designation to identify material in the form of ingots
Fe Si Mn Ni P S Al Cu Pb Zn Sb Sn
max 0.15 max 0.01 max 0.2 max 2 max 0.2 max 0.05 max 0.01 85.5 - 88.5 max 0.6 max 0.4 max 0.15 11.2 - 13



Mechanical properties of grade CuSn12-B ( CB483K )

 

Rm - Tensile strength (MPa) (GS) 260
Rm - Tensile strength (MPa) (GM) 270
Rm - Tensile strength (MPa) (GC) 300
Rm - Tensile strength (MPa) (GZ) 280

 

Rp0.2 0.2% proof strength (MPa) (GS) 140
Rp0.2 0.2% proof strength (MPa) (GM) 150
Rp0.2 0.2% proof strength (MPa) (GC) 150
Rp0.2 0.2% proof strength (MPa) (GZ) 150

 

A - Min. elongation at fracture (%) (GS) 7
A - Min. elongation at fracture (%) (GM) 5
A - Min. elongation at fracture (%) (GC) 6
A - Min. elongation at fracture (%) (GZ) 5

 

Brinell hardness (HBW): (GS) or (GM) 80
Brinell hardness (HBW): (GC) or (GZ) 90



Equivalent grades of grade CuSn12-B ( CB483K )

Warning! Only for reference

EU
EN
Germany
DIN,WNr
CuSn12-B
2.1053
GB-CuSn12

 



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
 

CuSn12-B ( CB483K ) Copper-tin alloy
Chemical composition. Equivalents of CuSn12-B ( CB483K ).
Standards.1 Mechanical Properties. Hardness

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