Method of fabrication of a piece of structural steel, and the st

Details Method of fabrication of a piece of structural steel, and the st Method of fabrication of a piece of structural steel, and the st

1995-12-08

1997-09-16

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148333, 148232, 148567, 148565, C21D 900, C22C 3818

Patent

active

056676050

ABSTRACT:
The invention relates to a method for fabricating a piece of structural steel that includes thermal or thermomechanical treatment steps that could ordinarily lower the fatigue strength and shock and impact resistance of the steel piece. In the method of the invention a workpiece of microalloy steel is fabricated containing the following elements in the mounts indicated and having a bainitic structure:

REFERENCES:
patent: 3682721 (1972-08-01), Seulen et al.
patent: 4464209 (1984-08-01), Taira et al.
patent: 4474627 (1984-10-01), Maitrepierre et al.
patent: 4812182 (1989-03-01), Fang et al.
patent: 5041167 (1991-08-01), Miwa

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