In the home appliance industry, what components is DC51D+Z commonly used to manufacture?
A: It is commonly used to manufacture the outer shell, inner tank, and brackets of home appliances such as refrigerators, washing machines, and air conditioners.
What are some common surface defects of DC51D+Z?
A: Common surface defects include zinc particles, scratches, incomplete plating, passivation spots, thick edges, and air knife marks.
What causes zinc layer peeling?
A: Causes include surface oxidation, the presence of silicon compounds, excessively dirty cold rolling emulsion, an oxidizing atmosphere in the NOF section, a protective gas dew point that is too high, and an unreasonable air-fuel ratio.
How to determine if the surface quality of DC51D+Z is up to standard?
A: By observing the surface for obvious defects such as scratches, incomplete plating, and zinc particles; coating adhesion tests and bending tests can also be performed to check the coating's firmness.
What should be considered when purchasing DC51D+Z?
A: Pay attention to whether the sheet metal specifications, performance indicators, surface quality, and zinc layer thickness meet the requirements. Also, choose a reputable supplier.