The application of cold wire drawing is very wide today. What problems do you need to pay attention to in the acceptance of cold wire drawing in galvanizing plants? The wire diameter. The wire factory introduced that the wire diameter of the wire should be consistent with the contract, the zinc content should be tested to see if it meets the contract requirements, the tensile strength should be tested, and the factory should provide the corresponding inspection report.
1. Weight
Weigh the weight of a single roll of wire of different specifications, not less than the roll weight required by the contract, and record the value. Contact detection. Each coil of wire does not produce contacts, if there are contacts each coil does not exceed three contacts. The surface treatment of each contact should be smooth, and the wire can not be pulled off from the contact, in line with customer packaging requirements.
2. Quantity and packing
The quantity should be the same as the contract, cold drawing, carefully record the quantity of each specification and the packing method. If there is a label, check whether the label is correct and take a photo to confirm. Each roll of iron wire is fastened with galvanized packing tape, and then tightly bound with a very strong transparent plastic bag. The outer layer of plastic coated iron wire is wrapped with a white braided cloth, and the outer layer of galvanized iron wire is wrapped with a green braided cloth to ensure that the packaging will not be lax during transportation. One end of the wire must be clearly marked, and the other end should be left on the outer layer for easy connection by other wires.
3. Quality inspection report
Ask the factory to provide the corresponding quality inspection report before packing. Cold drawing is a material often used in our lives, especially in the construction of buildings. Cold wire drawing is more used in building materials, and the testing standards for cold wire drawing are also different. The strength of cold wire drawing is high, which can be used in many aspects, and the most used is prestressed tendons. Where plasticity is not required, only strength is required, such steel can be used.
Galvanized wire often turns black, affecting its beauty, in the process of galvanizing, should pay attention to the air, the production of steel plate impurities and the health of the construction personnel, in fact, will affect the galvanized wire problems. Some simple treatment methods can prevent the galvanized wire from blackening or extending the blackening time during the production process, such as: keep the work site dry, reduce and do not use chemicals, and the operator with clean gloves.
Post time: 02-11-23