Carbon dioxide gas shielded welding flux-cored wire

A technology of gas shielded welding and flux-cored welding wire, applied in welding medium, welding equipment, welding/cutting medium/material, etc.
CN102764941AInactive Publication Date: 2012-11-07NINGBO LONGXING WELDING CUTTING TECH STOCK
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
NINGBO LONGXING WELDING CUTTING TECH STOCK
Publication Date
2012-11-07
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a carbon dioxide gas shielded welding flux-cored wire, which is characterized in that the flux-cored powder of the wire is mixed by the following components in percentage by weight: 10-30% of rutile, 10-30% of silicomanganese, 15-40% of iron powder, 2-15% of nickel powder, 2-25% of chromium metal, 1-5% of aluminium magnesium alloy, 2-10% of ferromolybdenum and 2-10% of ferrovanadium. The carbon dioxide gas shielded welding flux-cored wire disclosed by the invention has the advantages that the hardness and the non-deforming performance of a hot mill guide plate, a hot-forging die, a valve and the like are still can be kept even if the hot mill guide plate, the hot-forging die, the valve and the like work under the high-temperature impact load for a long time.
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Description

technical field

[0001] The invention relates to the technical field of metal welding materials, in particular to a carbon dioxide gas shielded flux-cored welding wire. Background technique

[0002] At present, hot rolling mill guide plates, hot section molds, valves, etc. are used in mechanical equipment and need to work under long-term high-temperature impact loads; this requires these parts to be able to effectively maintain their hardness under long-term high-temperature impact loads , Non-deformable performance to ensure its use effect.

[0003] However, there is currently no welding wire in the field of metal welding material technology that is suitable for welding of hot rolling mill guide plates, hot section molds, valves, etc., which need to work under long-term high-temperature impact loads and still maintain their hardness and non-deformation properties, so as to strengthen them. Hardness properties of carbon dioxide gas shielded flux-cored wires are reported. C...

Claims

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