The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 2022
Filed:
Aug. 08, 2020
Hefei University of Technology, Hefei, CN;
China Innovation Academy of Intelligent Equipment (Ningbo) Co., Ltd., Ningbo, CN;
Dashuang Liu, Hefei, CN;
Weimin Long, Ningbo, CN;
Yucheng Wu, Hefei, CN;
Ping Wei, Hefei, CN;
Huawei Sun, Ningbo, CN;
Yafang Cheng, Ningbo, CN;
HEFEI UNIVERSITY OF TECHNOLOGY, Hefei, CN;
CHINA INNOVATION ACADEMY OF INTELLIGENT EQUIPMENT (NINGBO) CO., LTD., Ningbo, CN;
Abstract
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.