Sintered flux for stainless steel surfacing with band electrode
A technology of sintering flux and stainless steel strip, which is applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc. It can solve the problems of uneven flux quality, corrosion resistance and hydrogen stripping resistance that cannot meet the design requirements of pressure vessels, etc.
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[0138] Example 1
[0139] According to the composition content designed in the present invention, six flux powders are prepared for each of the two fluxes. The sintered flux for submerged arc (SAW) is denoted as S1~S6; the sintered flux for electroslag surfacing (ESW) is denoted as E1~E6.
[0140] The flux components and the weight percentages of each component are shown in Table 1. The flux preparation method is as follows:
[0141] The required raw materials are sieved and weighed according to the formula. After the total weight is rechecked, the dry powder is put into a dry mixer for dry mixing. After dry mixing, put it into a wet mixer, and add about 20% water glass for wet After the wet mixing is uniform, the wet powder is sent to the granulation tray through the conveyor belt for granulation. After the granulation is completed, the conveyor belt is sent to the drying oven and dried at 250℃~300℃. After removing the moisture, the flux is screened. The sieved flux within the st...
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