公开(公告)号：US20240157486A1

公开(公告)日：2024-05-16

申请号：US18421516

申请日：2024-01-24

申请人： POSCO Co.,Ltd.

发明人： HyunWoo Jin ,  Ning Ma ,  Adnan Ozekcin ,  Andrew J. Wasson ,  Douglas P. Fairchild ,  IIWook Han ,  Sangchul Lee ,  Bongkeun Lee ,  Jongsub Lee

IPC分类号： B23K35/30 ,  B23K9/18 ,  B23K9/23 ,  B23K35/02 ,  C22C38/00 ,  C22C38/02 ,  C22C38/42 ,  C22C38/44 ,  C22C38/58

CPC分类号： B23K35/3073 ,  B23K9/186 ,  B23K9/23 ,  B23K35/0261 ,  C22C38/002 ,  C22C38/02 ,  C22C38/42 ,  C22C38/44 ,  C22C38/58

摘要： Methods of welding high manganese steel, the methods comprising: supplying at least one piece of high manganese steel; supplying the metal cored wire comprising a steel sheath with a core comprising powders of certain metal and carbon percentages and at least one of: i: sulfur in an amount less than 0.3 wt. %; or ii. phosphorous in an amount less than 0.03 wt. %; or a combination thereof; and the balance with iron; submerging the at least one piece of high manganese steel in a slag and arc stabilizer; and applying a current to the metal cored wire to produce a liquid alloy steel composition on the at least one piece of high manganese steel.