发明名称
摘要 PURPOSE:To carry out the stress relieving and the material improvement for the welded joint without causing the SR-crack, by holding the entire welded joint at a specified heat treating temperature, after once heating the portion except the weld zone of the the welded joint consisting of a low-alloy steel and dissmilar metal, and then, cooling down again to the normal temperature.
申请公布号 JPS6013047(B2) 申请公布日期 1985.04.04
申请号 JP19770080707 申请日期 1977.07.05
申请人 HITACHI LTD 发明人 SATO YOSHIMI;ITO YOSHASU
分类号 B23K31/00;C21D9/32;C21D9/50 主分类号 B23K31/00
代理机构 代理人
主权项
地址