发明名称 WELD JOINT
摘要 Provided is a weld joint with superior CTOD characteristics produced via: a steel plate, as a base, containing 0.03 - 0.09% C, 0.01 - 0.35% Si, 1.3 - 2.0% Mn, 0.012% or less P, 0.0035% or less S, 0.01 - 0.06% Al, less than 0.3% Ni, less than 0.10% Mo, 0.005 - 0.023% Nb, 0.005 - 0.025% Ti, less than 0.0003% B, 0.002 - 0.005% N, 0.0005- 0.0050% Ca, and 0.0030% or less O, wherein the components satisfy a prescribed relationship; and a weld metal containing 0.040 - 0.090% C, 0.1 - 0.8% Si, 1.0 - 2.5% Mn, 0.020% or less Al, 0.1 - 1.0% Ni, 0.05 - 0.50% Mo, 0.005 - 0.050% Ti, 0.0015% or less B, and the balance iron and inevitable impurities.
申请公布号 WO2015151521(A8) 申请公布日期 2016.07.07
申请号 WO2015JP01870 申请日期 2015.03.31
申请人 JFE STEEL CORPORATION 发明人 ICHIMIYA, KATSUYUKI;YUGA, MASAO;HASE, KAZUKUNI;ENDO, SHIGERU
分类号 C22C38/00;B23K9/23;B23K35/30;C22C38/14;C22C38/58 主分类号 C22C38/00
代理机构 代理人
主权项
地址