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Structure steel welding rod and its production process

A technology of welding structure and manufacturing method, applied in welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of fast welding speed, high welding efficiency, low production cost, etc., so as to improve welding efficiency and quality , the effect of moderate surface tension

Inactive Publication Date: 2003-05-14
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GRP
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AI Technical Summary

Problems solved by technology

The welding rod made by this method has wide adaptability, strong adaptability, high welding efficiency and fast welding speed; and low production cost, which solves the problem of environmental pollution caused by coal burning

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0030] Mix the following components by weight to make a powder mixture;

[0031] Ilmenite 38kg

[0032] Rutile 12kg

[0033] Titanium dioxide 1kg

[0034] White mud 2kg

[0035] Meerschaum 8kg

[0036] Feldspar 8kg

[0037] Mica 5kg

[0038] Marble 4kg

[0039] Magnesium calcium powder 6kg

[0040] Medium carbon ferromanganese 10kg

[0041] Ferro-titanium alloy 2kg

[0042] Wood flour 1kg

[0043] Potato powder 2kg

[0044] Microcrystalline 1kg

[0045] Total 100kg

[0046] Dry mixing: Mix 100kg of powder mixture in a blender for 2-3 minutes for dry mixing.

[0047] Wet mixing: add 28kg of water glass with a Baume concentration of 40Be to the stirred powder mixture, and stir for about 15 minutes.

[0048] Cut the iron wire rod of Φ=5.0mm into iron core with a length of 400mm.

[0049] Press coat the wet mixed powder mixture with the iron core. Make the thickness of the coating reach 1.7mm, and the diam...

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Abstract

The present invention relates to a structure steel welding rod and its production process. The welding rod is characterized by that the coating mixture comprises ilmenite 30-38 wt%, rutile 12-15 wt%, titanium white powder 1-4 wt%, white clay 2-4 wt%, sepiolite 8-11 wt%, feldspar 8-11 wt%, mica 5-8 wt%, marble 3-6 wt%, magnesia-calcium powder 4-8 wt%, medium-carbon ferromanganese 7-10 wt%, ferrotitanium 1-4 wt%, wood flour 1-3 wt%, Chinese yam powder 1-4 wt% and microcrystallite 1-2 wt%. Wet welding rod is dried with coal gas produced by industrial gas producer. The welding rod is used widely in steel structure and has high welding efficiency and low production cost.

Description

Technical field: [0001] The invention relates to a welding rod and a manufacturing method thereof. In particular, a novel welding rod for welding structural steel and a manufacturing method thereof. Background technique: [0002] The performance of conventional structural steel electrodes mainly refers to the performance of arc ignition, arc stability and re-strike during welding, the shape of weld seam, the performance of electrode slag removal, the degree of welding slag spatter, the efficiency of electrode melting and the adaptability of electrodes to various welding positions. Wait. The currently used structural steel electrodes are limited in the width of the weld seam when welding, and when the weld seam is too wide or too narrow, the slag coverage is not very good. Moreover, the range of allowable current intensity during welding is relatively narrow, and the welding speed is slow, which cannot meet the needs of fast-paced projects. Since the current welding rods a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/362B23K35/40
Inventor 侯立尊
Owner TIANJIN GOLDEN BRIDGE WELDING MATERIALS GRP
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