BASE MATERIAL FOR CLAD STEEL, CLAD STEEL, AND METHOD FOR MANUFACTURING CLAD STEEL

A base metal for clad steel contains: in terms of mass%, C: 0.04% to 0.10%, Si: 0.10% to 0.30%, Mn: 1.30% to 1.60%, P: 0.015% or less, S: 0.005% or less, Ni: 0.10% to 0.50%, Cr: 0.10% or less, Cu: 0.05% or less, Mo: 0.05% to 0.40%, V: 0.02% to 0.06%, Nb: 0.03% or less, Ti: 0.005% to 0.025%, Al: 0.02...

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Bibliographische Detailangaben
Hauptverfasser: NISHIMOTO, Kenta, HASHI, Kunihiko, KAWAMURA, Takashi, SUZUKI, Daishiro
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A base metal for clad steel contains: in terms of mass%, C: 0.04% to 0.10%, Si: 0.10% to 0.30%, Mn: 1.30% to 1.60%, P: 0.015% or less, S: 0.005% or less, Ni: 0.10% to 0.50%, Cr: 0.10% or less, Cu: 0.05% or less, Mo: 0.05% to 0.40%, V: 0.02% to 0.06%, Nb: 0.03% or less, Ti: 0.005% to 0.025%, Al: 0.020% to 0.050%, N: 0.0030% to 0.0100%, and the balance being Fe and unavoidable impurities. In the composition, a carbon equivalent Ceq according to the following formula (1) Ceq = C + Mn/6 + (Ni + Cu)/15 + (Cr + Mo + V)/5 (mass%) is 0.400 or less, and a yield ratio Y.R. according to the following formula (2) Y.R. = Y.S. (MPa; 0.5% Under load)/T.S. (MPa) is less than 0.80.