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steel sheet

Product Details

TYPE \ CAREGORY CHARACTERISTICS APPLICATIONS SURFACE CONDITION
ALCOSTA
Very fine grains due to the suppression of the growth of aluminium crystal during solidification of aluminium melt (5 to 10% silicon contained)
Uniform surface condition and excellent corrosion resistance resulting from the sacrificing effect of aluminum
Good apperance after painting
Household
Thermal
Equipments
Car Mufflers
Construction
Materials
HEAT RESISTANCE
The heat resistance of ALCOSTA is excellent compared to that of zinc-coated steel sheet, galvannealed steel sheet, and cold-rolled steel sheet. Absolutely no changes in appearance and discoloration are observed even under extended exposure to the temperature of 450. At temperatures higher than 450 the coating material transforms to aluminium-iron alloy layer so that heat resistance and corrosion resistance are preserved even if discoloration occurs. The coating maintains its sacrificial proporties up to the temperature of approximately 600.

POSCO C&C

  • Country:South Korea
  • telephone:82-2-21868845
The heat resistance of ALCOSTA is excellent compared to that of zinc-coated steel sheet

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