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Anti-splashing and deslagging-easily type stainless steel welding rod

An anti-spatter, stainless steel technology, used in welding media, welding equipment, welding/cutting media/materials, etc., can solve the problems of increased melting speed, increased spatter, and deterioration of weld formation, and achieves stable welding. The effect of reducing surface tension and improving arc shape

Inactive Publication Date: 2017-11-07
常州市宝平不绣钢制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention: when the traditional stainless steel electrode melts to 2 / 3 of the length of the whole electrode, the tail of the electrode will be red, the coating will crack, the melting speed will increase, and the spatter will increase, resulting in deterioration of the weld shape. The defect of difficult slag removal provides an anti-splash and easy-to-remove stainless steel electrode

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] Select the fluorite ore, wash it and let it stand to dry, then dry the ore and place it in a ball milling tank, ball mill it at 250r / min for 3h, pass a 200 mesh sieve to get sieved fluorite powder, weigh 100g Sieved fluorite powder and 250mL 10% mass fraction sodium silicate solution and placed in a three-necked flask, stirred and mixed and heated in a water bath at 120°C for 10 minutes; after the water bath heating was completed, drop 10% mass fraction into the three-necked flask Adjust the hydrogen chloride solution to the pH of the material in the three-necked flask to 3.5. After the pH adjustment is completed, let it stand and age for 3h, then add 45mL 15% ammonia water by mass to the three-necked flask, control the dripping time to 25min, and wait until the dripping is completed. Afterwards, centrifuge at 2500r / min for 10 minutes to obtain the upper layer liquid; in parts by weight, weigh 45 parts of the upper layer, 10 parts of sodium sulfate, 5 parts of aluminum su...

example 2

[0019] Select the fluorite ore, wash it and let it stand to dry, then dry the ore and place it in a ball milling tank, ball mill it at 300r / min for 5h, pass a 200 mesh sieve to get sieved fluorite powder, weigh 110g Sieved fluorite powder and 300mL 10% mass fraction sodium silicate solution and placed in a three-necked flask, stirred and mixed and heated in a water bath at 130 ℃ for 15 minutes; after the water bath heating is completed, drop 10% mass fraction into the three-necked flask Adjust the hydrogen chloride solution to the pH of the material in the three-necked flask to 4.0. After the pH adjustment is completed, let it stand for 5 hours and then add 50mL 15% ammonia water dropwise to the three-necked flask. Control the dripping time to 30min. Then, centrifuge at 3000r / min for 15 minutes to obtain the upper layer liquid; in parts by weight, weigh 50 parts of the upper layer, 15 parts of sodium sulfate, 8 parts of aluminum sulfate, 6 parts of polyvinyl alcohol and 15 parts...

example 3

[0021] Select the fluorite ore, wash it and let it stand to dry, then dry the ore and place it in a ball milling tank, ball mill at 250r / min for 4h, pass a 200 mesh sieve to get the fluorite powder, weigh 100 ~110g of sieved fluorite powder and 270mL of 10% sodium silicate solution with mass fraction and placed in a three-necked flask, stirred and mixed and heated in a water bath at 125℃ for 12min; after the heating of the water bath is completed, add the mass fraction dropwise to the three-necked flask Adjust the pH of the material in the three-necked flask to 3.7 with 10% hydrogen chloride solution. After the pH adjustment is completed and stand for aging for 3 to 5 hours, add 47 mL of 15% ammonia water with mass fraction to the three-necked flask and control the dropping time to 27 minutes. After the dripping is completed, centrifuge at 2700r / min for 12 minutes to obtain the upper layer; in parts by weight, weigh 47 parts of the upper layer, 12 parts of sodium sulfate, 7 part...

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Abstract

The invention discloses an anti-splashing and deslagging-easily type stainless steel welding rod, and belongs to the technical field of welding materials. According to the anti-splashing and deslagging-easily type stainless steel welding rod, fluorite ore is mixed with a sodium silicate solution and heated after being ball-milled, and after the PH value is adjusted by using a hydrogen chloride solution, standing and ageing are conducted; ammonium hydroxide is added and supernatant is obtained through centrifugal separation; then the supernatant is mixed with sodium sulfate, aluminum sulfate and the like and heated, and a coating modified concentrated solution is prepared through evaporating; rutile, marble and the like are mixed with titanium ferro alloy powder, manganese metal powder and the like after being ball-milled, and stirred evenly with sodium silicate; an obtained coating wet material and the welding rod are pressed, coated and dried to obtain a welding rod substrate; and finally coating dispersion liquid is sprayed on the surface of the welding rod substrate, the anti-splashing and deslagging-easily type stainless steel welding rod can be obtained after curing and drying are conducted. The prepared stainless steel welding rod has good welding technology properties, when large current welding is conducted, the tail part of the welding rod is not prone to reddening, the coating is not prone to cracking, the welding rod is low in melting speed and less in spatter, a welding joint is formed to be attractive, and the deslagging property is good.

Description

Technical field [0001] The invention discloses a spatter-resistant and easy-slag-removing stainless steel electrode, which belongs to the technical field of welding materials. Background technique [0002] The tool usually used in manual arc welding is a welding tong, whose jaws are used to clamp the end of the electrode. Correspondingly, there is a section of bare core at the end of the electrode, which is used for clamping by the welding tongs and is beneficial to conduction. When in use, the coating on the outer surface of the welding core is decomposed and melted to form gas and slag during the welding process, which play a role in mechanical protection, metallurgical treatment and improvement of process performance. However, the bare part of the electrode tail for clamping is unusable because it lacks the protection of the coating and is also clamped in the jaws. Usually, the electrode is discarded and replaced with a new electrode when it burns to the end. In order to fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/365B23K35/40B23K35/12
CPCB23K35/365B23K35/0261B23K35/40
Inventor 张桂芳王艳芹李雪晴
Owner 常州市宝平不绣钢制品有限公司
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