3 4 concrete nails
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3 4 concrete nails
Post time: 28-07-22...
3 4 concrete nails 【3 4 concrete nails】
Read MoreThe most obvious gap in a short time is the cross section of this piece, hot dip galvanized barbed wire because it is the surface anti-corrosion treatment, so in the cross section of this piece will appear rust, and stainless steel barbed wire because the internal raw materials and surface raw materials are consistent, so there is no such situation.
3 4 concrete nails...
3 4 concrete nails 【3 4 concrete nails】
Read MoreThe reason why there are black spots in wire mesh welding is that the action of wire feeding should be timely filled in the melting time, and the development should be appropriate. There is no argon gas, long burning, large current, long distance, blunt tungsten needle and high molten pool temperature are the fundamental reasons for blackening. Continuous burning, is about active welding machine energy selection, machine welding will appear black spots.
3 4 concrete nails...
3 4 concrete nails 【3 4 concrete nails】
Read MoreTake the blade cord for example, the quality of the cord and the shape and direction of the surface barbs are what consumers need to consider. Professional materials in use can meet the needs of most consumers for materials, and the quality of these products is certainly to withstand the test, so if you really can not make up your mind, choose what kind of barbed rope, it is recommended to choose the best blade barbed rope.
3 4 concrete nails...
3 4 concrete nails 【3 4 concrete nails】
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3 4 concrete nailsZinc is a silver-white metal, brittle at room temperature, soluble in acid can also be soluble in alkali, known as amphoteric metal. Pure zinc in dry air is more stable, in humid air or containing carbon dioxide and oxygen water is small, the surface will generate a layer of basic zinc carbonate based thin film layer, it can delay the corrosion rate of zinc layer. The corrosion resistance of zinc coating in aqueous solution of acid, alkali and sodium chloride is stronger.
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3 4 concrete nails 【3 4 concrete nails】
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3 4 concrete nails
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3 4 concrete nails 【3 4 concrete nails】
Read More⑹ can not open the groove 1 ~ 6mm thick metal sheet single-side welding double-sided forming.
3 4 concrete nails...
3 4 concrete nails 【3 4 concrete nails】
Read More3 4 concrete nails
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3 4 concrete nails 【3 4 concrete nails】
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3 4 concrete nailsMany electrogalvanized wire diameter products are formed by wire drawing, wire drawing is a kind of processing technology, can make the product reach the required shape and meet the standard mechanical properties. Cold wire drawing is carried out at recrystallization temperature, hot wire drawing is carried out at crystallization temperature, warm wire drawing is drawn at higher than room temperature and lower than crystallization temperature. Cold drawing is a common drawing method.
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3 4 concrete nails 【3 4 concrete nails】
Read MoreCold galvanized is in the plating tank through the current unidirectional zinc gradually plated on the metal surface, the production speed is slow, uniform coating, thin thickness, usually only 3-15 microns, bright appearance, poor corrosion resistance, generally a few months will rust. With the rapid development of market economy, all walks of life are improving the production process and quality of products, galvanized iron wire industry is of course no exception. But because of the variety of galvanized iron wire, its characteristics and production technology are not the same.
3 4 concrete nails...
3 4 concrete nails 【3 4 concrete nails】
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Popular articles
- ② Electric galvanized shaft wire direct selling shall not be used for waist hoop compression reinforcement, usually not used for all binding.
Post time: 13-03-23Electric welding net is also known as external wall insulation wire mesh, galvanized wire, galvanized electric welding net, wire mesh, row welding net, touch welding net, construction net, external wall insulation net, decorative net, wire mesh, square eye mesh, screen mesh, anti-crack mesh. Stainless steel electric welding mesh, is made of high quality stainless steel wire row welding, more acid resistance, alkali resistance, welding firm, beautiful, widely used and so on.
3, pay attention to the width of the cage seam
Galvanized wire in acid, alkali, sodium chloride aqueous solution of poor corrosion resistance, in the atmosphere containing carbon dioxide and hydrogen sulfide, as well as Marine atmosphere is not corrosion resistance. In high temperature and high humidity air and containing organic acid atmosphere is small, galvanized layer is also easy to be corroded. Galvanized wire and general wire is very different, general wire is cheap, and because the iron is not very stable, easy to rust in the wet place, so the stability is not very good, the life is not very long.
Corrosion usually metal corrosion has three types: physical, chemical corrosion and electrochemical corrosion, and corrosion depends on the chemistry of the metal itself and the organizational structure, still have relationship with the surrounding medium, such as wet environment than dry environment is easy to rust, more less than the impurities of impurities is easy corrosion, high temperature conditions than under the condition of low temperature corrosion, etc. After knowing these, we can effectively prevent the corrosion of the dip plastic six side wire mesh, prolong the service life of the product.
Latest articles
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6, passivation to remove hydrogen parts should be passivation after the removal of hydrogen, passivation before the application of 1%H2SO4 or 1% hydrochloric acid activation 5~15s. Passivation shall be treated with colored chromate unless otherwise specified in the design drawings.
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Post time: 21-10-22 -
4. Substrate material: The substrate material of electrogalvanized wire also has a certain impact on its corrosion resistance. The substrate of different materials has different chemical properties and electrochemical activities, and the corrosion performance is different under different environmental conditions, and the compatibility with zinc layer will also have a certain impact on the corrosion performance.
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Galvanized hook mesh selection of low carbon steel wire, the surface of cold galvanized or hot galvanized anticorrosive treatment, strong mesh, strong protection, long anticorrosive time. Galvanized wire hook nets are widely used, widely used in warehouses, refrigeration between things, protective reinforcement, parks, zoos, Marine fishing fences and construction site fences, mechanical equipment protection.
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Post time: 16-06-22
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