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High-tensile-strength stainless steel electrode with complex alloy coating and preparation method of high-tensile-strength stainless steel electrode with complex alloy coating

A high-tensile-strength, multi-alloy technology, used in welding equipment, metal processing equipment, welding media, etc., can solve problems such as low tensile strength, improve corrosion resistance, improve oxidation resistance and high temperature gas corrosion resistance performance, the effect of preventing further oxidation

Inactive Publication Date: 2014-04-30
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the tensile strength of the welding rod butt joint is low

Method used

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  • High-tensile-strength stainless steel electrode with complex alloy coating and preparation method of high-tensile-strength stainless steel electrode with complex alloy coating
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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The high-tensile-strength stainless steel electrode with multi-element alloy coating of the present invention is composed of welding wire and coating, the coating wraps the welding wire, sodium silicate and potassium silicate are adhesives, and the coating is bonded around the welding wire. The preparation process is as follows:

[0039] 1) Binder composition: It is made by mixing sodium silicate and potassium silicate at a weight ratio of 1:0.5;

[0040] 2) Skin composition: the weight percentage of each chemical composition is: dextrin 3%; titanium dioxide powder 20%; potassium fluoride powder 1%; feldspar powder 3%; chalk powder 1%; kaolin powder 1%; silicon dioxide 6% powder; 10% ferromanganese alloy powder; 15% multi-element alloy powder, and the rest is marble powder. Wherein the weight percentage of Mn in the ferromanganese alloy powder is 65%, and the rest is Fe;

[0041]The weight percentage of each component in the multi-element alloy powder is: Ce 0.05%, Pr...

Embodiment 2

[0046] The high-tensile-strength stainless steel electrode with multi-element alloy coating is composed of welding wire and coating, the coating wraps the welding wire, sodium silicate and potassium silicate are adhesives, and the coating is bonded around the welding wire. The components of the electrode are as follows:

[0047] 1) Binder composition: It is made by mixing sodium silicate and potassium silicate at a weight ratio of 1:0.9;

[0048] 2) Drug skin composition: the weight percentage of each chemical composition is: dextrin: 3%; titanium dioxide powder: 22%; potassium fluoride powder: 5%; feldspar powder: 8%; chalk powder 5%; kaolin powder 3 %; silicon dioxide powder 10%; ferromanganese alloy powder 12%; multi-component alloy powder 20%, the rest is marble powder; wherein the weight percentage of Mn in the ferromanganese alloy is 65%, and the rest is Fe;

[0049] The weight percentage of each component in the multi-element alloy powder is: Ce 0.1%, Pr 0.1%, Ba 0.08%...

Embodiment 3

[0055] The high-tensile-strength stainless steel electrode with multi-element alloy coating is composed of welding wire and coating, the coating wraps the welding wire, sodium silicate and potassium silicate are adhesives, and the coating is bonded around the welding wire. The components of the electrode are as follows:

[0056] 1) Binder composition: It is made by mixing sodium silicate and potassium silicate at a weight ratio of 1:0.7;

[0057] 2) Skin ingredients: the weight percentage of each ingredient is: dextrin: 4%; titanium dioxide powder: 21%; potassium fluoride powder: 4%; feldspar powder: 5%; chalk powder: 4%; kaolin powder: 2% ; Silica powder: 8%; Ferromanganese alloy powder: 11%; Multi-element alloy powder 18%, the rest is marble. Wherein the weight percent composition of Mn in the ferromanganese alloy is 66%, and the rest is Fe;

[0058] The weight percentage of each component in the multi-element alloy powder is: Ce0.08%, Pr0.08%, Ba0.06%, W0.5%, Cr16%, Sn0.6...

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Abstract

The invention belongs to the field of metal materials, and relates to a high-tensile-strength stainless steel electrode with a complex alloy coating and a preparation method of the high-tensile-strength stainless steel electrode with the complex alloy coating. The stainless steel electrode has the high butt joint tensile strength and is formed by a welding stick and the coating, the welding stick is wrapped by the coating, sodium water glass and potash water glass serve as binding materials, and the coating is bonded to the periphery of the welding stick. The preparation method is simple in process, low in production cost and suitable for industrial production.

Description

[0001] technical field [0002] The invention belongs to the field of metal materials, and relates to a high-tensile-strength stainless steel electrode with multi-element alloy coating and a preparation method thereof. Background technique [0003] CN201310061489.9 proposes a stainless steel electrode for high-strength underwater wet welding, including two parts, a coating and a welding core, characterized in that the welding core is 304L stainless steel, and the coating is made of rutile, feldspar, dolomite, carboxymethyl Composed of cellulose, manganese powder, ferrosilicon and nickel powder, the weight percentage of each component is: rutile 42-52%, feldspar 20-30%, dolomite 5-10%, carboxymethyl cellulose 5-10% , manganese powder 5-9%, ferrosilicon 1-4% and nickel powder 0-5%. But the tensile strength of the welding rod butt joint is low. Contents of the invention [0004] The object of the present invention is to address the above-mentioned technical defects and prov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/30B23K35/40B23K35/365
CPCB23K35/308B23K35/3602B23K35/3608B23K35/365B23K35/368B23K35/404
Inventor 赵浩峰王玲程勇邱奕婷陆阳平王冰郑泽昌赵圣哲宋超王易秋徐小雪何晓蕾柯维雄赵佳玉潘康
Owner NANJING UNIV OF INFORMATION SCI & TECH
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