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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9993858 B1

PDFFull Text
Expired
Date of Patent:
Jun. 12, 2018

Filed:

Sep. 19, 2012

Roll for hot rolling

Applicant:

Sandvik Intellectual Property Ab, Sandviken, SE;

Inventors:

Menderes Kayhan, Tumba, SE;

Jan-Erik Karlsson, Tyreso, SE;

Stephen Hewitt, Warwickshire, GB;

Assignee:

SANDVIK INTELLECTUAL PROPERTY AB, Sandviken, SE;

Attorney:

Eric Shaffer

Primary Examiner:

Sarang Afzali

Int. Cl.
CPC ...
B21B 27/02 (2006.01); B22F 3/15 (2006.01); B21B 27/03 (2006.01); B22F 3/24 (2006.01); C22C 33/02 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/26 (2006.01); C22C 38/30 (2006.01); B21B 1/26 (2006.01);
U.S. Cl.
CPC ...
B21B 27/02 (2013.01); B21B 1/26 (2013.01); B21B 27/032 (2013.01); B22F 3/15 (2013.01); B22F 3/24 (2013.01); C22C 33/0278 (2013.01); C22C 38/22 (2013.01); C22C 38/24 (2013.01); C22C 38/26 (2013.01); C22C 38/30 (2013.01); Y10T 29/49544 (2015.01);
Abstract

A roll for hot-rolling includes a body, wherein at least a part of an envelope surface of the body is made of a high speed steel that with reference to its chemical composition consists of the following elements, in weight %: 1-3 Carbon (C), 3-6 Chromium (Cr), 4.5-7 Molybdenum (Mo), 6-15 Tungsten (W), 3-14 Vanadium (V), 0-10 Cobalt (Co), 0-3 Niobium (Nb), 0-0.5 Nitrogen (N), 0.4-1 Yttrium (Y), eventualy distributed in the powder, and remainder iron (Fe) and unavoidable impurities, wherein contents of molybdenum (Mo) and tungsten (W) satisfy the formula Mo+0.5W=2.0-10.0 weight %.

Find Patent Forward Citations

Kayhan, Menderes. (2018). Roll for hot rolling (U.S. Patent No. 9993858). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9993858

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