Material – DIN EN 1982 CuSn7Zn4Pb7-B

Standard Specification for Copper Tin Lead Alloy Ingot and Castings

Group - Non Ferrous Copper Alloys

Sub Group - DIN EN 1982 CuSn7Zn4Pb7-B Copper Tin Lead Alloy Ingot and Castings

Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries

Grade Belongs to the Industry - Ingot and Casting

Chemical Composition
SiliconSi %0.010 max.
LeadPb %5.200 - 8.000
IronFe %0.200 max.
TinSn %6.200 - 8.000
ZincZn %2.300 - 5.000
NickelNi %2.000 max.
AluminiumAl %0.010 max.
SulphurS %0.080 max.
AntimonySb %0.300 max.
NickelNi %2.000 max.
Cu + NiCu% + Ni% 81.000 - 84.500Yield Strength in Mpa
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Heat Treatment
As Cast
Mechanical Properties
Tensile Strength in Mpa230 min.
120 min.-
Elongation in %12 min.
Reduction of Area in %-
Hardness in HBW60 min.
Impact in Joule-

Cross Reference Table

Material Standard Country Grade Belong to the Industry
CB493K ONORM Australia Ingot and Casting
CB493K UNI Italy Ingot and Casting
CuSn7Zn4Pb7-B UNI Italy Ingot and Casting
CuSn7Zn4Pb7-B BS British Ingot and Casting
CB493K BS British Ingot and Casting
CB493K PN Poland Ingot and Casting
CuSn7Zn4Pb7-B PN Poland Ingot and Casting