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