¬ GENERAL INFORMATION
» GENERAL INFORMATION

ZINC

TECHNICAL FEATURES

Found as Plates and Ingots.

Dull grey colored. Vulnerable to chemical effects. It is of significance in terms of protecting other metals by wearing itself during metal coating.

PHYSICAL FEATURES

COMPOSITION %

Pb:0.10(MAX) REST:Zn

SPECIFIC WEIGHT  (Kg/dm³)

7,141

FUSION TEMPERATURE  (˚C)

420

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

92,6

COEFFICIENT OF EXPANSION  (˚C) X 10-6

VERTICAL :32.5  HORIZONTAL :23.0

HEATING TEMPERATURE  (Kcal/Kg/˚C)

0.094

MECHANIC FEATURES

TENSILE STRENGTH AT 24˚C  (Kg/cm²)

1400

STRETCHING  (5.cm.de)%

60

HARDNESS

38

STRENGTH LIMIT (Kg/cm²)

175,8

PROCESSING FEATURES

HOT TREATING TEMPERATURE  (˚C)

130-275

INGOT CASTING TEMPERATURE  (˚C)

435-485

MALLEABILITY

GOOD

AVAILABILITY

Ingot, bar, plate, wire, rolled steel plate and strips.

AREAS OF USE

Capsules, nameplates, traction battery box, traction and daubing parts not requiring tension, roofing, zincographer and lithograph works.