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The high tenacious steel and the production mannered null mass which for high intensity welding structure are superior in basic material tenacity and super full house thermal weld
The high tenacious steel and the production mannered null mass which for high intensity welding structure are superior in basic material tenacity and super full house thermal weld
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机译：高强度钢和高强度焊接结构的零缺陷质量，在基本材料强度和超满屋热焊接方面均表现出色
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摘要
PROBLEM TO BE SOLVED: To provide a high toughness steel for a high strength welded structure having excellent base metal toughness and ultrahigh heat input weld zone HAZ toughness.;SOLUTION: The high toughness steel for the high strength welded structure having excellent base metal toughness and ultrahigh heat input weld zone HAZ toughness has a composition containing, by weight, 0.01 to 0.20% C, 0.02 to 0.50% Si, 0.3 to 2.0% Mn, ≤0.03% P, 0.0001 to 0.030% S, 0.0005 to 0.050% Al, 0.003 to 0.050% Ti, 0.0001 to 0.005% Mg and 0.0001 to 0.005% Ca, and the balance iron with inevitable impurities, and further comprising one or more kinds selected from 0.005 to 0.30% Cr, 0.001 to 0.20% Nb and 0.005 to 0.30% Mo.;COPYRIGHT: (C)2006,JPO&NCIPI
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