高温強度に優れた中高温用鋼板及びその製造方法

Title:

高温強度に優れた中高温用鋼板及びその製造方法

Document Type and Number:

Japanese Patent JP7277584

Kind Code:

B2

Abstract:

Provided are a steel plate for high temperature applications having excellent strength at a high temperature and a method for manufacturing same. The steel plate for high temperature applications having excellent post-weld heat treatment resistance, according to the present invention, comprises by weight percent: C:0.05-0.25%; Mn:0.1-1.0%; Si:0.1-0.8%; Cr:1-3%; Cu:0.05-0.3%; Mo:0.5-1.5%; Ni:0.05-0.5%; Al:0.005-0.1%; and at least one of Ir:0.005-0.10% and Rh:0.005-0.10%, the balance being Fe and inevitable impurities.

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Inventors:

Hong, Sun-Tech

Application Number:

JP2021530166A

Publication Date:

May 19, 2023

Filing Date:

November 29, 2019

Export Citation:

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Assignee:

POSCO Company Limited

International Classes:

C22C38/00; C21D8/02; C22C38/44

Domestic Patent References:

JP2001164332A
JP2006077330A
JP2007217783A
JP2014095130A
JP2001234276A

Foreign References:

CN101713051A

Attorney, Agent or Firm:

Patent Attorney Corporation Kyosei International Patent Office

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