British Standard
LB4
Indian Standard
LTB3
Nominal Composition
85/5/0/10
Tensile Strength (kg/mm2)
15-18
Elongation % on 2"
8-12
Brinell Hardness
55-75
Typical Uses
Mill bearings, railway bearings and bearings for the oil industry
Name
Lead Bronze
BS
LB4
Element
Min
Max
%
%
Copper
Rem
-
Tin
4.00
6.00
Zinc
-
2.00
Lead
10.00
19.00
Phosphorous
-
0.05
Nickel
-
2.00
Iron
-
0.15
Aluminium
-
0.01
Manganese
-
0.20
Antimony
-
0.50
Iron + Arsenic
-
-
Impurities
-
0.50