H-section steel and method of producing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 5, 2017
Issued Date -
N/A
app pub date -
Mar 10, 2014
filing date -
Mar 14, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An H-section steel has a predetermined chemical composition in which a thickness of a flange is 100 mm to 150 mm, at a strength evaluation position an area fraction of bainite in a steel structure is 80% or more, yield strength or 0.2% proof strength is 450 MPa or more, tensile strength is 550 MPa or more and 680 MPa or less, at a toughness evaluation position an average austenite grain size in the steel structure is 150 μm or less, and (Mg, Mn)S having a particle size of 0.005 μm to 0.5 μm is included at a density of 1.0×105 pieces/mm2 to 1.0×107 pieces/mm2.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully