Steel Plates with Excellent HAZ Toughness for Ofshore Structures

YUGA Masao; HASHIMOTO Masayuki; SUZUKI Shinichi

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Steel Plates with Excellent HAZ Toughness for Ofshore Structures

机译：Steel Plates with Excellent HAZ Toughness for Ofshore Structures

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JFE Steel has developed high strength steel plates for offshore structures, which meet the low temperature specifcation. The range of products has expanded corresponding to the rising demand for the steel used for the offshore structure arising form robust oil resource development in recent years. Excellent properties of the plates and their welded joints are obtained by micro-alloying technology, and latest controlled rolling and accelerated cooling technology using Super-OLACTM (On-Line Accelerated Cooling). High strength steel plates which are designed for excellent weldability thorough the low weld cracking parameter P_(CM) value have been developed by Super-OLAC~(TM) for up to 550 MPa class in yield stress, up to 101.6 mm in thickness with 420 MPa class in yield strees, and satisfying -40°C of crack tip opening displacement (CTOD) temperature specifcetion for offshore structure. They have achieved already a lot of actual application results.

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来源
《JFE technical report》 |2013年第18期|43-49|共7页
作者
YUGA Masao; HASHIMOTO Masayuki; SUZUKI Shinichi;
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作者单位

Dept., Steel Res. Lab., JFE Steel;

Plate & Forging Sec., Products Design & Quality Control for Steel Products Dept., West Japan Works, JFE Steel;

Plate Business Planning Dept., JFE Steel;

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正文语种英语
中图分类钢铁冶炼（黑色金属冶炼）（总论）;
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Steel Plates with Excellent HAZ Toughness for Ofshore Structures

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