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Carbon dioxide arc welding wire with small diameter of 1.6 mm and high alloy content

A carbon dioxide and gas protection technology, applied in welding medium, welding equipment, metal processing equipment, etc., can solve the problems of single formula, prone to spatter, reduce welding repair effect, etc., to achieve the effect of high alloy content and wide range of applications

Inactive Publication Date: 2015-12-30
SHANGHAI SMILE SPECIAL ALLOY MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of flux-cored wire is that spatter is prone to occur during welding, which reduces the welding repair effect; at the same time, the single formula of traditional flux-cored wire cannot be used in extreme environments and high-strength contact occasions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0011] A carbon dioxide gas shielded welding wire for blast furnaces in steel mills;

[0012] It consists of a 1.6mm wire sheath and a flux core which includes the following components: 4% C, 1.5% Si, 1.0% Mn, 22% Cr, 1.5% Ni, 3.5% Mo, 2% Co, 3.5% Nb, 1.5% V, 1.5% W, 3.5% Ti; the rest is B.

[0013] It has the advantages of high temperature resistance, corrosion resistance, wear resistance and high pressure resistance.

example 2

[0015] A carbon dioxide gas shielded welding wire used in cement mill grinding;

[0016] It includes a 1.6mm welding wire sheath and a flux core, which includes the following components: 5% C, 1.5% Si, 1.0% Mn, 22% Cr, 7% V, 7% Ti, and the rest is b.

[0017] It has the advantages of wear resistance, impact resistance and high temperature resistance.

example 3

[0019] A carbon dioxide gas shielded welding wire for oil drilling valves;

[0020] It includes a 1.6mm welding wire sheath and a flux core, which includes the following components: 1.0% C, 1.2% Si, 17% Mn, 12% Cr, 7% Ni, 5% Co, and the rest is b.

[0021] It has the advantages of corrosion resistance, high pressure resistance and high strength.

[0022] The present invention adopts the above formula, which contains various alloy elements and high alloy content, and is especially suitable for occasions requiring high temperature resistance, corrosion resistance, wear resistance and impact resistance, so that the flux cored wire can be used more widely.

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Abstract

The invention relates to a carbon dioxide arc welding wire with the small diameter of 1.6 mm and the high alloy content. The welding wire comprises 1.6-mm welding wire skin and a flux core. The welding wire is characterized in that the flux core is prepared from 1.5%-6% of C, 0.5%-2% of Si, 0.5%-20% of Mn, 10%-25% of Cr, 0%-8% of Ni, 0%-5% of Mo, 0%-7% of Co, 0%-5% of Nb, 0%-10% of V, 0%-2% of W, 0%-10% of Ti and the balance B. According to the carbon dioxide arc welding wire with the small diameter of 1.6 mm and the high alloy content, by means of the formula, multiple alloy elements are contained, the alloy content is high, the welding wire is especially suitable for the occasions needing the high temperature resistance, corrosion resistance, abrasion resistance and impact resistance, and the usage occasion of the flux core welding wire is wider.

Description

technical field [0001] The invention relates to the field of welding wire, in particular to a 1.6mm fine-diameter carbon dioxide gas shielded welding wire with high alloy content. Background technique [0002] Flux-cored welding wire containing alloys can be used in the surface repair of mechanical equipment to enhance the service life of mechanical equipment, and can also be coated on the surface of mechanical equipment to increase the single service life of mechanical equipment and reduce maintenance flat rate. However, the disadvantage of flux-cored wire is that spatter is prone to occur during welding, which reduces the welding repair effect; at the same time, the single formula of traditional flux-cored wire cannot be used in extreme environments and high-strength contact occasions. Contents of the invention [0003] The purpose of the present invention is to provide a weld with high deposition rate, no spatter, good shape and excellent weld seam quality. No preheati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/368B23K35/30
Inventor 孔彬王佳
Owner SHANGHAI SMILE SPECIAL ALLOY MATERIALS
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