公开(公告)号：US12054803B2

公开(公告)日：2024-08-06

申请号：US17293108

申请日：2018-11-19

Applicant: ArcelorMittal

Inventor： Vikas Kanubhai Patel ,  Dinesh Patel ,  Alan Poling

IPC: C21D9/50 ,  B23K11/06 ,  B23K11/16 ,  B23K103/04 ,  C21D1/42

CPC classification number: C21D9/505 ,  B23K11/16 ,  C21D1/42 ,  B23K11/06 ,  B23K2103/04

Abstract: A dual pass seam welding method for steels having a Ceq of greater than about 0.45. The first pass welds the immediately anneals the weld. On the second pass, the welder is disengaged, and the weld is subjected to a second anneal.