1. The steel wires in the steel strand shall be of the same diameter, strength and zinc layer grade.
The diameter and lay distance of steel strand shall be uniform and not loose after cutting
The steel wires in the steel strand shall be tight, and shall not be staggered, broken or bent.
2.1 * 3 Structural steel strand and overhead ground wire are not allowed Connector , other Application of steel wire joint in Class I steel strand Electric welding For butt joint, the distance between any two joints shall not be less than 50M, and the joints shall be subject to anti-corrosion treatment
3. Mechanical properties
It shall meet the requirements of 5.3 mechanical properties in the "ferrous metallurgy industry standard of the People's Republic of China YB/T5004-2001"
4. Coating quality
4.1 The surface of hot-dip galvanized steel wire shall be plated with a uniform and continuous zinc layer without cracks and exposed spots
4.2 The galvanized layer of steel wire is allowed to have local white spots, flash points and individual zinc layer accumulation that will not affect the use, but the local increase value shall not exceed 2 times the positive deviation of the steel wire diameter.
4.3 The coating quality of the stainless steel wire in the steel strand shall comply with the following table
4.4 The firmness of the zinc layer of the steel wire shall be tightly wound on the core rod specified in the above table for 6 circles, and the zinc layer shall not crack or rise to the extent that it can be wiped off with bare fingers
5. Refer to "Ferrous Metal Industry Standard of the People's Republic of China YB/T5004-2001 Galvanized Steel Strand".
"Ferrometallurgical Industry Standard of the People's Republic of China YB/T183-2000 Rare Earth aluminium alloy Coated steel strand ".
（2） Raw materials
1. The steel wire for steel strand shall comply with the provisions of YB/T699-1999 high-quality carbon structural steel. The grade is 45 # or 50 # steel.
2. Zinc ingot for steel wire galvanizing shall be No. 0 or No. 1 zinc ingot in GB/T470
（3） Delivery inspection and test method
Delivery inspection includes full inspection and inspection. During the full inspection, the appearance, structure, diameter, zinc coating quality, twisting method and twisting quality of each coil of steel strand shall be inspected as required. During the inspection, the mechanical properties and zinc coating weight of the samples taken from the sampled products shall be tested as required.
1. The surface quality of steel strand shall be visually inspected.
2. The diameter of steel strand shall be measured with a graduation value of 0.1mm Measuring tools Make measurements.
3. The breaking force test of steel strand shall be conducted according to the test method specified in GB/T8358-1987.
Contact: Manager Ma
Tel.: 4000317151
Fax:***
Mobile:***
Q Q: 353438198
Address: Communication Equipment Industrial Zone, Majiaoshan Village, Renqiu City, Hebei Province
Hebei Zhida Weiye Communication Equipment Co., Ltd., founded in 1998, is located in the communication equipment production base in North China - Communication Equipment Industrial Zone of Majiaoshan Village, Renqiu City. For many years, it has been committed to the R&D and production of power and communication line materials. It is engaged in the production of galvanized steel strand, steel cored aluminum strand, galvanized steel wire, galvanized iron wire, high carbon steel wire (black wire) Professional steel strand manufacturer of overhead insulated conductors and other communication equipment. The company has more than 300 employees. There are 60 wire drawing equipment, 6 galvanized wires and 28 stranded wire equipment in the factory. It has become a large-scale communication production service provider and a one-stop service industry. North Zhida Weiye Communication Equipment Co., Ltd. was listed in 2014. Zhida Weiye is a responsible listed enterprise, including 5 senior engineers and 16 engineers. At present, the advanced New Zealand galvanizing production line used in all is equipped with perfect production and process control supervision and testing capabilities. Its products are regularly subject to the supervision and testing of Hebei Quality Supervision and Inspection Institute, The quality completely conforms to the national standard.
http://www.cnzdwy.com/
http://www.hbzhidaweiye.com/
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