JP2010196165A - Thick high-tensile-strength hot-rolled jp2010196165a

A method for producing an ultra-thick high-tensile hot-rolled steel sheet having both high strength and high toughness is provided. The composition includes C 0.02 to 0.08%, Nb 0.01 to 0.10%, Ti 0.001 to 0.05%, and C, Ti, and Nb satisfy (Ti + (Nb / 2)) / C <4. When the steel material is heated, hot-rolled, and then acceleratedly cooled, the residence time from the thickness center jp2010196165aJP2010196165A - Thick high-tensile-strength hot-rolled jp2010196165aA method for producing an ultra-thick high-tensile hot-rolled steel sheet having both high strength and high toughness is provided. The composition includes C 0.02 to 0.08%, Nb 0.01 to 0.10%, Ti 0.001 to 0.05%, and C, Ti, and Nb satisfy (Ti + (Nb / 2)) / C <4. When the steel material is heated, hot-rolled, and then acceleratedly cooled, the residence time from the thickness center jp2010196165a

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Translate this pageJP2010196165A JP2010016828A JP2010016828A JP2010196165A JP 2010196165 A JP2010196165 A JP 2010196165A JP 2010016828 A JP2010016828 A JP 2010016828A JP 2010016828 A JP2010016828 A JP 2010016828A JP 2010196165 A JP2010196165 A JP 2010196165A Authority JP Japan Prior art keywords less temperature hot steel sheet rolled steel Prior art date 2009-01-30 Legal JP2010196165A - Translate this pageJP2010196165A JP2010016828A JP2010016828A JP2010196165A JP 2010196165 A JP2010196165 A JP 2010196165A JP 2010016828 A JP2010016828 A JP 2010016828A JP 2010016828 A JP2010016828 A JP 2010016828A JP 2010196165 A JP2010196165 A JP 2010196165A Authority JP Japan Prior art keywords less temperature hot steel sheet rolled steel Prior art date 2009-01-30 Legal

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imagesJP2010196165A - Thick high-tensile-strength hot-rolled jp2010196165aA method for producing an ultra-thick high-tensile hot-rolled steel sheet having both high strength and high toughness is provided. The composition includes C 0.02 to 0.08%, Nb 0.01 to 0.10%, Ti 0.001 to 0.05%, and C, Ti, and Nb satisfy (Ti + (Nb / 2)) / C <4. When the steel material is heated, hot-rolled, and then acceleratedly cooled, the residence time from the thickness center jp2010196165aCited by 67Publish Year 2010Author Kami Chikara, Nakata Hiroshi, Nakagawa KinyaJP2010196165A - Translate this pageJP2010196165A JP2010016828A JP2010016828A JP2010196165A JP 2010196165 A JP2010196165 A JP 2010196165A JP 2010016828 A JP2010016828 A JP 2010016828A JP 2010016828 A JP2010016828 A JP 2010016828A JP 2010196165 A JP2010196165 A JP 2010196165A Authority JP Japan Prior art keywords less temperature hot steel sheet rolled steel Prior art date 2009-01-30 Legal

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