A kind of sintering flux for welding high-strength steel in marine engineering and preparation method thereof
A technology of sintering flux and marine engineering, which is applied in welding equipment, welding medium, metal processing equipment, etc., can solve the problems of limited application range and incompleteness, and achieve stable arc, uniform flux particle size, and stable deposited metal composition Effect
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[0019] In order to make the content of the present invention more obvious and understandable, the present invention will be described in detail below in conjunction with specific embodiments.
[0020] A sintered flux used for welding high-strength steel in marine engineering, which belongs to the fluorine-alkali type sintered flux, consists of the following components in parts by weight: MgO 19~24 parts, CaF 2 20-25 parts, Al 2 o 3 12~16 parts, SiO 2 4~8 parts, CaO8~10 parts, BaO2~4 parts, NaF1~3 parts, LiF 1-3 parts, ZrO 2 1-2 parts, Fe 2 o 3 2-3 parts, 0.5-1.5 parts of alloy and 14-16 parts of water glass. The sintered flux and flux slag are mainly composed of MgO-CaO-BaO-CaF 2 -Al 2 o 3 -SiO 2 department composition.
[0021] The adding mode of each component of flux described in the present invention is as follows: MgO is in the form of magnesia; CaF is in the form of fluorite, Al 2 o 3 In the form of α-alumina, SiO 2 In the form of wollastonite, CaO in th...
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