发明名称 HEAT TREATING METHOD FOR WELDED GEAR
摘要 PURPOSE:To prevent occurrence of SR cracking in production of a gear using medium carbon Cr-Mo steel by welding, by heating part of the gear so as to reduce residual stress generated during welding.
申请公布号 JPS53131244(A) 申请公布日期 1978.11.15
申请号 JP19770045729 申请日期 1977.04.22
申请人 HITACHI LTD 发明人 MATSUZAKA KIYOU;MASAOKA ISAO
分类号 C21D9/32;C21D1/26;C21D9/50 主分类号 C21D9/32
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