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Stainless steel electrode

A stainless steel and welding rod technology, applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of mechanical performance reduction of weld seam, burning of alloy elements, metal loss, etc.

Inactive Publication Date: 2012-07-11
SHANGHAI ATLANTIC WELDING CONSUMABLES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, during the welding process of domestically developed electrodes, oxygen, nitrogen and water vapor in the air will immerse into the weld, not only forming pores, but also a small amount of oxygen entering the molten pool will oxidize the metal and alloy elements, and burn the alloy elements; high temperature of the arc Effect, the alloy elements of the weld metal will be evaporated and burned, and under the action of the arc blowing, the splash will also cause metal loss. The above reasons will reduce the mechanical properties of the weld

Method used

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Examples

Experimental program
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Embodiment Construction

[0004] The present invention will be further described below in conjunction with specific embodiment

[0005] Embodiments of the invention:

[0006] Proportion of welding rod raw materials (by weight)

[0007] Raw material name

[0008] According to the above-mentioned welding rod coating ratio, add the drug material into the mixer as required, then mix it with water glass adhesive, make a dough, then add it to the press coater, coat it on the ER904L special steel core, and then enter the dryer for baking Shaped, finally inspected and packaged, made into welding electrodes of different specifications.

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PUM

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Abstract

A stainless steel electrode belongs to the field of welding materials, and is characterized in that chemical components of the electrode (in weight percent) include 40% of rutile, 8% of potassium feldspar, 3% of iron ores, 1.8% of potassium titanate, 1.8% of titanium white powder, 1.8% of metal chromium, 2.4% of fluorite (dried), 2.4% of cryolite, 8% of electrolytic manganese, 0.18% of bismuth oxide, 12% of micro-carbon ferrochromium, 7% of mica (dried), 1.5% of alginate calcium, 0.4% of ferroaluminium and 9.72% of marble. Compared with the prior art, the stainless steel electrode can generate arc, can also be melted to form filler metal for a welding line, and is high in corrosion resistance, and physical and chemical performances of deposited metal are stable.

Description

technical field [0001] The invention relates to a stainless steel welding rod. This stainless steel electrode establishes an arc that melts itself to form the filler metal of the weld. Has high corrosion resistance. Background technique [0002] At present, during the welding process of domestically developed electrodes, oxygen, nitrogen and water vapor in the air will immerse into the weld, not only forming pores, but also a small amount of oxygen entering the molten pool will oxidize the metal and alloy elements, and burn the alloy elements; high temperature of the arc Effect, the alloy elements of the weld metal will be evaporated and burned, and under the action of the arc blowing, the splash will also cause metal loss. The above reasons will reduce the mechanical properties of the weld. Contents of the invention [0003] The object of the present invention is to propose a stainless steel electrode with reasonable composition design. On the one hand, it can establish...

Claims

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Application Information

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IPC IPC(8): B23K35/36B23K35/40
Inventor 王卫华
Owner SHANGHAI ATLANTIC WELDING CONSUMABLES
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