Coating of austenitic stainless steel electrode, electrode, preparation method and application

A technology of austenitic stainless steel and welding rod, applied in welding equipment, manufacturing tools, welding medium, etc., can solve problems such as difficulty in meeting welding requirements and poor mechanical properties of austenitic welding rods, so as to improve corrosion resistance and slag removal. performance, the effect of avoiding solidification cracks

Active Publication Date: 2021-04-16
ATLANTIC CHINA WELDING CONSUMABLES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: the mechanical properties of existing austenitic welding rods are relatively poor, and it is difficult to meet the required welding requirements under ultra-low temperature conditions. The present invention provides a coating for austenitic stainless steel welding rods that solves the above problems , welding rod and preparation method and application

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  • Coating of austenitic stainless steel electrode, electrode, preparation method and application

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Experimental program
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Effect test

Embodiment 1

[0042] A kind of austenitic stainless steel welding rod that present embodiment provides, the raw material composition of the coating of welding rod is by weight: marble 7.0kg, barium carbonate 1.5kg, fluorite 4.0kg, fluoride 3.0kg, rutile 6.0kg, mica 0.1kg kg, electrolytic manganese 1.5kg, ferro-titanium 0.5kg, ferrosilicon 0.5kg, ferrochrome 3.0kg, nickel metal 5.0kg, ferromolybdenum 1.5kg, ferrochromium nitride 0.5kg and soda ash 0.2kg;

[0043] The chemical composition of the raw material composition of the coating of the electrode is calculated by mass percentage: CaCO in marble 3 The content is 98.20%, BaCO in barium carbonate 3 The content is 98.70%, CaF in fluorite 2 The content is 97.30%, the F content in fluoride is 53.70%, the Na content is 29.10%, and the TiO in rutile 2 The content is 95.50%, SiO in mica 2 The content is 48.10%, Al 2 o 3 The content of Mn in electrolytic manganese is 26.50%, the content of Mn in electrolytic manganese is 99.50%, the content o...

Embodiment 2

[0051] The present embodiment is different from embodiment 1 in that the weight of the raw material composition of the coating of the electrode is different, and the rest are the same as in embodiment 1.

[0052] A kind of austenitic stainless steel welding rod that provides in the present embodiment 2, the coating raw material of welding rod is calculated as: marble 10.0kg, barium carbonate 0.1kg, fluorite 2.0kg, fluoride 5.0kg, rutile 4.0kg, mica 2.5kg kg, electrolytic manganese 1.0kg, ferro-titanium 1.5kg, ferrosilicon 0.5kg, ferrochromium 5.0kg, metallic nickel 3.0kg, ferromolybdenum 0.1kg, ferrochromium nitride 1.0kg and soda ash 0.5kg;

Embodiment 3

[0054] The present embodiment is different from embodiment 1 in that the weight of the raw material composition of the coating of the electrode is different, and the rest are the same as in embodiment 1.

[0055] A kind of austenitic stainless steel welding rod that provides in the present embodiment 3, the raw material of coating of welding rod is calculated as: marble 8.5kg, barium carbonate 0.8kg, fluorite 3.0kg, fluoride 4.0kg, rutile 5.0kg, mica 1.4 kg, electrolytic manganese 1.0kg, ferro-titanium 1.0kg, ferrosilicon 1.0kg, ferrochromium 4.0kg, metallic nickel 4.0kg, ferromolybdenum 1.2kg, ferrochromium nitride 0.8kg and soda ash 0.4kg;

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Abstract

The invention discloses a coating of an austenitic stainless steel electrode, the electrode, a preparation method and an application, and solves the problems that the existing electrode is poor in mechanical property and difficult to meet the welding requirement. The raw materials of the coating of the electrode comprise the following raw materials in parts by weight: 7.0-10.0 parts of marble, 0.5-1.5 parts of barium carbonate, 2.0-4.0 parts of fluorite, 3.0-5.0 parts of fluoride, 4.0-6.0 parts of rutile, 0.5-2.0 parts of mica, 0.5-1.5 parts of electrolytic manganese, 0.5-1.5 parts of ferrotitanium, 0.5-1.5 parts of ferrosilicon, 3.0-5.0 parts of ferrochromium, 3.0-5.0 parts of metallic nickel, 0.0-1.5 parts of ferro-molybdenum, 0.5-1.0 part of nitride ferrochrome sodium carbonate and 0.2-0.5 part of sodium carbonate. The electrode further comprises an iron-chromium-nickel-molybdenum-manganese-nitrogen alloy core wire. The coating has the advantages of excellent mechanical properties of deposited metal, capability of meeting the special requirements of required welding and the like.

Description

technical field [0001] The invention relates to the technical field of welding materials, in particular to a coating of an austenitic stainless steel electrode, an electrode, a preparation method and application thereof. Background technique [0002] The global energy is very scarce, and the environmental pollution is serious. Call for the adoption of clean energy, green energy, and renewable energy. Reducing harmful emissions has become the main way to reduce environmental pollution. In response to energy conservation, environmental protection, and emission reduction, countries around the world are vigorously accelerating the development of clean energy. Similarly, my country is also rapidly developing natural gas. , hydrogen and other clean energy, while green energy and renewable energy have low operating costs, which is conducive to improving resource utilization and comprehensive economic and social benefits. [0003] At present, domestic projects related to the operati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/365B23K35/36B23K35/40
CPCY02P20/133
Inventor 袁宁蒋勇白昶刘奇望曾志超黄勇
Owner ATLANTIC CHINA WELDING CONSUMABLES
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