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Lead ingot GB/T469-1995
Lead ingots are divided into four grades according to their chemical composition: Pb99.994, Pb99.99, Pb99.96, Pb99.90.
The chemical composition of the lead ingot should meet the requirements of the following table.
Brand
Pb is not less than
chemical composition %
Impurity is not greater than
Ag
Cu
Bi
As
Sb
Sn
Zn
Fe
sum
Pb99.994
99.994
0.0005
0.001
0.003
0.0005
0.001
0.001
0.0005
0.0005
0.006
Pb99.99
99.99
0.001
0.0015
0.005
0.001
0.001
0.001
0.001
0.001
0.01
Pb99.96
99.96
0.0015
0.002
0.03
0.002
0.005
0.002
0.001
0.002
0.04
Pb99.90
99.90
0.002
0.01
0.03
0.01
0.05
0.005
0.002
0.002
0.10