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High-temperature welding material

A welding material, high temperature technology, applied in welding/cutting media/materials, welding media, welding equipment, etc., can solve the problems of performance degradation, overheating, embrittlement, hardening or softening, and deterioration of weldability of weldments. Good high temperature creep strength, high strength, excellent heat crack resistance effect

Inactive Publication Date: 2016-03-30
青岛唐鹏钢结构工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of steel structure processing and welding, the temperature is often relatively high. Many welding materials may be overheated, embrittled, hardened or softened in the weld seam and heat-affected zone after welding due to the difference in workpiece material, welding material, and welding current. Phenomenon, it also reduces the performance of the weldment and deteriorates the weldability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] A high-temperature welding material, consisting of the following raw materials in parts by weight: 2 parts of magnesium oxide, 3 parts of iron, 3 parts of aluminum, 5 parts of soda ash, 3 parts of quartz, 1 part of nickel, 0.5 parts of carbon, 0.3 parts of silicon, 2 parts of cobalt part, 0.5 part of tungsten, 0.01 part of chromium, and the particle size of the raw material is 10 mesh.

Embodiment 2

[0010] A high-temperature welding material, consisting of the following raw materials in parts by weight: 2.5 parts of magnesium oxide, 4 parts of iron, 4 parts of aluminum, 6 parts of soda ash, 4 parts of quartz, 2 parts of nickel, 0.7 parts of carbon, 0.4 parts of silicon, 3 parts of cobalt part, 0.7 part of tungsten, 0.03 part of chromium, and the particle size of the raw material is 30 mesh.

Embodiment 3

[0012] A high-temperature welding material, which is composed of the following raw materials in parts by weight: 3 parts of magnesium oxide, 6 parts of iron, 5 parts of aluminum, 7 parts of soda ash, 5 parts of quartz, 3 parts of nickel, 1 part of carbon, 0.6 parts of silicon, 4 parts of cobalt part, 1 part of tungsten, 0.05 part of chromium, and the particle size of the raw material is 50 mesh.

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PUM

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Abstract

The invention discloses a high-temperature welding material which consists of the following raw materials of , by weight, 2-3 parts of magnesium oxide, 3-6 parts of iron, 3-5 parts of aluminum, 5-7 parts of sodium carbonate, 3-5 parts of quartz, 1-3 parts of nickel, 0.5-1 part of carbon, 0.3-0.6 part of silicon, 2-4 parts of cobalt, 0.5-1 part of tungsten, and 0.01-0.05 part of chromium, wherein the grain size of the raw materials is 10-50 meshes. The high-temperature welding material is excellent in hot crack resistance, and has good anti-high-temperature-creep strength and ablation resistance; and a welded interface is high in strength.

Description

technical field [0001] The invention belongs to the technical field of steel structure processing, and in particular relates to a high-temperature welding material. Background technique [0002] The welding process is a manufacturing process and technology for joining metal or other thermoplastic materials by heating. The welding material is mainly determined according to the material, chemical composition, structure type of the weldment, and welding performance requirements of the workpiece to be welded. In the process of steel structure processing and welding, the temperature is often relatively high. Many welding materials may be overheated, embrittled, hardened or softened in the weld seam and heat-affected zone after welding due to the difference in workpiece material, welding material, and welding current. The phenomenon also reduces the performance of the weldment and deteriorates the weldability. Therefore, what kind of welding material to choose can withstand high ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/22B23K35/36
CPCB23K35/22B23K35/36
Inventor 唐子鹏
Owner 青岛唐鹏钢结构工程有限公司
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