Company name: Wuyang iron and Steel Co., Ltd.
Contact: Chen Jie
Cell phone number: 15617588651
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XG08 steel plate for zinc pot production, 1. brands include "XG08", "WKS", "WDT0b" and imported steel plate, mainly used to store zinc liquid needed for production. The amount of zinc in zinc pot is 200 tons. By controlling the composition of zinc liquid, the high appearance quality, mechanical processing property and some product defects caused by improper control of zinc liquid composition can be obtained. Rimmed steel is incompletely deoxidized steel. During casting, molten steel produces boiling phenomenon in the ingot mold (gas escaping), and the silicon content in the steel is very low. C, Si, Mn, P, S content of 2. chemical composition characteristics of the material is low, such as C < 0.08, Si < 0.03, can effectively resist the corrosion of zinc. The domestic hot dip galvanizing pot is usually welded by high quality low carbon steel such as 08F or 05F. However, the molten zinc liquid is very corrosive to the steel material, which makes the service life of the container very short. Generally speaking, the service life of domestic hot dip galvanizing pot is 3 months to 2 years. 3.XG08 C Cr Mn steel chemical composition elements P Si Cu Ni in < 0.08 = 0.10 0.25-0.50 = 0.035 = 0.03 = 0.20 = 0.30 4.XG08 mechanical properties experimental yield strength tensile strength elongation contraction of each element is greater than or equal to 295MPa rate of hardness value is larger than 175MPa 35% 60% 131HB 5. steel in zinc plating of carbon: 1): the carbon content is high iron zinc diffusion reaction more intense, the greater the loss of iron loss, deterioration of alloy layer thickening adhesion. Low carbon steel generally used in 0.05~0.15. 2) silicon: high silicon content will make the alloy layer thickening, forming a gray coating, affecting adhesion. Boiling steels and aluminium steels with general silicon content less than 0.07% are used as galvanized substrates. 3) copper: the copper in the steel base can slow down the pickling speed, but it has no bad influence on the hot-dip galvanizing, and can improve the corrosion resistance. When the corrosion resistant galvanized sheet for special purpose is used, the steel containing 0.2~0.3% of copper is often selected. 4) titanium: 0.2% of titanium in steel matrix plays an important role in zinc plating. Titanium is the main additive element in the production of low alloy high strength galvanized sheet, and it plays an important role in the anti-aging of TiC and TiN in steel. 5) the content of manganese, sulfur, phosphorus and sulfur has little effect on the structure of zinc layer, but the content of phosphorus is about 0.15%, and the zinc layer has no luster spots, and the adhesion is bad. 6) aluminum: aluminum is the main addition of zinc liquid, generally 0.15~0.22%, aluminum has an important impact on zinc plating: A, aluminum content of 0.03%, can increase the gloss of zinc layer. B and Al addition can produce very thin five al two iron intermediate layer, and can inhibit the growth of Fe Zn alloy layer, thus increasing the adhesion force of zinc layer. C and aluminum can affect the viscosity of zinc liquid and make the zinc layer thicker or thinner. D and aluminum can reduce the times of copper resistance test. E, too much aluminum can reduce the solubility of iron in the zinc liquid, generate more zinc. 7) iron: harmful elements can increase the viscosity of the liquid zinc, the zinc layer thickness, formation of slag. The general control is below 0.05%. 8) cadmium: 0.1~0.5% can make the zinc flower increase, and the alloy layer can be thicker and toughness reduced after 0.5%. The general control is less than 0.03%. 9) lead: beneficial elements, can improve the wettability of zinc liquid, increase the zinc flower. Lead is usually controlled by 0.06~0.08% when galvanized with lead zinc plating.
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