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HIGH YOUNG'S MODULUS COLD ROLLED STEEL, HIGH YOUNG'S MODULUS ELECTROGALVANIZED COLD ROLLED STEEL, HIGH YOUNG'S MODULUS HOT-DIP GALVANIZED COLD ROLLED STEEL, HIGH YOUNG'S MODULUS HOT-DIP GALVANNEALED COLD ROLLED STEEL AND PRODUCTION METHODS FOR THEM
HIGH YOUNG'S MODULUS COLD ROLLED STEEL, HIGH YOUNG'S MODULUS ELECTROGALVANIZED COLD ROLLED STEEL, HIGH YOUNG'S MODULUS HOT-DIP GALVANIZED COLD ROLLED STEEL, HIGH YOUNG'S MODULUS HOT-DIP GALVANNEALED COLD ROLLED STEEL AND PRODUCTION METHODS FOR THEM
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机译：高杨氏模量冷轧钢，高杨氏模量电镀锌冷轧钢，高杨氏模量热镀锌冷轧钢，高杨氏模量热浸镀锌冷轧钢
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摘要
PROBLEM TO BE SOLVED: To provide a cold rolled steel sheet, a galvanized cold rolled steel sheet and hot-dip galvannealed cold rolled steel sheet, each having high Young's modulus in all of a rolling direction, a rolling 45° direction and a rolling right angle direction.;SOLUTION: There is provided the high Young's modulus cold rolled steel sheet having a chemical composition containing, by mass%, C:0.0005 to 0.01%, Si:1.50% or less, Mn:0.50 to 1.50%, P:0.08% or less, S:0.01% or less, Al:0.10% or less, N:0.006% or less, Ti:0.0025 to 0.10%, and B:0.0005 to 0.005% so as to satisfy the following formulae, and the balance iron with inevitable impurities. Ti*(mass%)/C(mass%)≥5 Ti*=Ti(mass%)+48/93×Nb(mass%)-48/14×N(mass%)-48/32×S(mass%);COPYRIGHT: (C)2016,JPO&INPIT
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