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Active agent formula for 304 stainless steel A-TIG welding and use method

A 304 stainless steel, activator technology, applied in welding equipment, welding medium, welding equipment and other directions, can solve the problems of unsatisfactory post-weld effect, physical health injury, cumbersome treatment of residues, etc., to avoid coarse tissue, reduce welding current, The effect of saving energy consumption

Pending Publication Date: 2022-01-14
CHINA NUCLEAR IND 23 CONSTR
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Problems solved by technology

[0004] At present, there are many types of active agent formulations for stainless steel A-TIG on the market, and the selection and screening are complicated, and some formulations contain harmful substances such as halides. Long-term exposure will cause harm to human health, and the effect after welding is not ideal. Post-processing residue is cumbersome

Method used

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with specific embodiments.

[0017] The invention is a pasty or viscous active agent which is harmless to the human body.

[0018] An activator formula for A-TIG welding of 304 stainless steel, consisting of the following mass percentages: SiO 2 Powder 20~40%, Cr 2 o 3 Powder 5~20%, Al 2 o 3 Powder 20~40%, TiO 2 Powder 10~25%, MnO 2 Powder 5~20%, B 2 o 3 Powder 5~10%, Fe 2 o 3 Powder 10-20%.

[0019] An activator formula for A-TIG welding of 304 stainless steel, consisting of the following mass percentages: SiO 2 Powder 20%, Cr 2 o 3 Powder 15%, Al 2 o 3 Powder 25%, TiO 2 Powder 10%, MnO 2 Powder 5%, B 2 o 3 Powder 13%, Fe 2 o 3 Powder 12%.

[0020] An activator formula for A-TIG welding of 304 stainless steel, consisting of the following mass percentages: SiO 2 Powder 30%, Cr 2 o 3 Powder 5%, Al 2 o 3 Powder 20%, TiO 2 Powder 12%, MnO 2 Powder 15%, B 2 o 3 Powd...

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Abstract

The invention discloses an active agent formula for 304 stainless steel A-TIG welding and a use method. The active agent formula is composed of the following components of, by mass percentage, SiO2 powder, Cr2O3 powder, Al2O3 powder, TiO2 powder, MnO2 powder, B2O3 powder and Fe2O3 powder. According to the formula, halide and other substances contained in an active agent in the prior art are abandoned, and harm to the human body is avoided; and the welding quality is good, the weld penetration is increased, the production cost is reduced, and the production efficiency can be greatly improved. The formula and the use method have the advantages that needed welding current can be effectively reduced by using the active agent for welding, energy consumption is reduced, meanwhile, heat input is reduced to a certain extent, and a thick structure is avoided; and the preparation method is simple, an active agent formula period is short, operation is easy, the production efficiency is improved, and the production cost is reduced.

Description

technical field [0001] The invention belongs to a formula and a method, in particular to an active agent formula and a use method for 304 stainless steel A-TIG welding. Background technique [0002] Traditional TIG, tungsten inert gas shielded welding, has the advantages of high welding quality, stable welding process, many materials suitable for welding, strong reliability, and the weld metal is not easy to deteriorate. However, this welding method also has certain limitations. Due to the limited current bearing capacity of the tungsten electrode, the arc energy density is reduced and its power density is limited, resulting in low deposition efficiency, shallow welding penetration, and low production efficiency. [0003] In recent years, under the same welding process, A-TIG welding can effectively increase the welding penetration, shorten the welding time and reduce the number of weld passes, and greatly improve the welding efficiency. This welding method can not be groove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/28B23K35/362B23K9/167
CPCB23K35/286B23K35/362B23K9/167
Inventor 冯英超任丽丽扈晓刚苏文勇刘金平
Owner CHINA NUCLEAR IND 23 CONSTR
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