Research and Development > JFE TECHNICAL REPORT >JFE TECHNICAL REPORT No.19-Special Issue on "Safe and Secured Urban Development" and "Energy and Environment" > “HBL 385 Series,”�550 N/mm² Class Steel for Building Structures with Good Balance of Excellent Earthquake Resistance and Economic Efficiency

No.19 April 2014 - JFE TECHNICAL REPORT No.19-Special Issue on "Safe and Secured Urban Development" and "Energy and Environment"

“HBL 385 Series,”550 N/mm² Class Steel for Building Structures with Good Balance of Excellent Earthquake Resistance and Economic Efficiency

NAKAGAWA Kei      UEKI Takuya     NANBA Takayuki

Abstract

Since the initial approval for “HBL^™385,” 550 N/mm² class steel plate for building structure by the Minister of Land, Infrastructure, Transport and Tourism in 2002, JFE Steel has developed 550 N/mm² class building materials and products, such as circular steel tube and cold-press-formed square steel tube, as a pioneer in the industry. This paper explains the outline of “HBL^™385 series” including its excellent mechanical properties as a building material and economic advantadge,and provides some findings about its structural design and fire-resistant design.

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