Hefei University of Technology

Jiangsu University of Science and Technology

Zhengzhou Research Institute of Mechanical Engineering

China (Ningbo) Innovation Academy of Intelligent Equipment Co., Ltd.

China Innovation Academy of Intelligent Equipment (Ningbo) Co., Ltd.

Dashuang Liu

Weimin Long

Ping Wei

Lei Zhang

Yucheng Wu

Huawei Sun

Yafang Cheng

Mingfang Wu

A self-shielded flux-cored welding wire with a special protective slag coating formed in situ and a manufacture method thereof. The self-shielded flux-cored welding wire includes a low-carbon steel belt and a flux core powder, the flux core powder is filled in the low-carbon steel belt, the flux core powder includes the following ingredients in percentage by mass: 60-80% glass powder, 2-8% zirconium oxide powder, 0.05-0.85% graphene powder, 2-8% potassium carbonate sodium powder, 1-3% potassium titanate powder, 2-5% rutile powder, 1-5% corundum powder, 1-3% sodium fluorosilicate powder, and the balance of iron powder, and a weight of the flux core powder accounts for 13-25% of a total weight of the welding wire.

Self-shielded flux-cored welding wire with special protective slag coating formed in situ and manufacture method thereof

It discloses a high-efficient energy-saving and surfacing layer well-forming self-shielded flux-cored welding wire. A low-carbon steel strip is used as an outer cover, and a flux core comprises the following components in percentage by mass: 42-60% high carbon ferrochrome with a particle size of 80 meshes, 10-18% ferrosilicon, 16-25% ferroboron, 2-8% rare earth silicon, 2-8% graphite, 1-4% aluminum magnesium alloy, 2-5% manganese powder and the balance of iron powder, wherein the graphite, the aluminum magnesium alloy and the manganese powder are all added with two particle sizes including 60 meshes and 200 meshes, and the weight of the flux core powder accounts for 49-53% of the total weight of the welding wire.

High-efficient energy-saving and surfacing layer well-forming self-shielded flux-covered welding wire and manufacture method

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Zhenjiang, China

Dashuang Liu