LEAD

TECHNICAL FEATURES

Found as Bars, Plates and Ingots.

Blae colored. Low hardness. Soft lead takes all kinds of form easily. 

PHYSICAL FEATURES

COMPOSITION  %

Pb:99.9

SPECIFIC WEIGHT  (Kg/dm³)

11,35

FUSION TEMPERATURE  (˚C)

326

HEAT CONDUCTIVITY AT 25˚C AS ANNEALED   (Kcal/Hr/Cm/˚C)

29.2

COEFFICIENT OF EXPANSION (20-200 ˚C)(˚C) X 10-6

29,5

HEATING TEMPERATURE (20 ˚C),(Kcal/Kg/˚C)

0.031

MECHANIC FEATURES

ELASTIC MODULE IN STRESS (Kg/cm²)x10³

140

TENSILE STRENGTH AT 24˚C (Kg/cm²)

170

YIELDING STRENGTH AT 24˚C (Kg/cm²)

115

STRETCHING (5 cm) %

57

STRENGTH LIMIT (10 HZ) (Kg/cm²)

50

SLIDING STRENGTH (0,1% EVERY YEAR) (Kg/cm²)

21

PROCESSING FEAUTRES

CASTING TEMPERATURE (˚C)

420-455

CORROSION FEATURES

In open air, resistant to fresh and salty water, sulphuric, sulfurous, phosphoric and chromic acids. Affected by acetic formic and nitric acids.

AVAILABILITY

Ingot, bar, pipe, marble, plate.

AREAS OF USE

Chemical devices, accumulators, cable armor, cartridge bullet, alloying, coating, fluid bath for heat treatment, jagging.