British Standard
LB5
Indian Standard
LTB6
Nominal Composition
75/5/0/20
Tensile Strength (kg/mm2)
15-18
Elongation % on 2"
6-10
Brinell Hardness
45-65
Typical Uses
Linings for steel backed motors bearings for use at higher temperatures than white metal linings
Name
Lead Bronze
BS
LB5
Element
Max
%
Copper
-
Tin
6.00
Zinc
2.00
Lead
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