Simply say what is the qualification standard for galvanized iron wire
Every product will be tested for eligibility at the time of production, and in the wire mesh industry. The galvanized wire of the wire mesh product will have to be executed at the factory, that is, whether it is qualified or not. So what factors determine whether the galvanized wire is qualified? The so-called inspection, there must be its standard, let us take a look, what are the qualification standards for galvanized wire!
The production of hot-dip galvanized products is strictly in accordance with national standards. The relevant tests have not been tested. The products meet the requirements of SY/T5037-2000 quality standards. All the indicators are qualified products before they are allowed to leave the factory.
Appearance inspection requirements: All casting surfaces should be clean, non-damaging, smooth, no nodulation, zinc ash and iron.
Qualification standards for repair testing: The plating parts that fail the appearance inspection shall be repaired. The repair standard shall not exceed 0.5% of the total area, and the unit area of each repair point shall not exceed 1dm2, otherwise the parts shall be reheated. Galvanized.
Eligibility criteria for adhesion strength: The hot-dip galvanized layer of the hot-dip galvanized part should have sufficient adhesion strength, and the coating should not peel off when there is no external stress to bend or deform the plated part.
Note: A very small amount of storage and transportation spots on the surface of hot-dip galvanized product parts should not be used as a reason for rejection.
Presumably, we understand that the qualification standards for galvanized wire have contributed to your inspection. Only the galvanized wire can be produced in strict accordance with the qualified standards to produce the highest quality galvanized wire.
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