logo

For the Inventor, By the Inventor

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 10385428 B1

PDFFull Text
Date of Patent:
Aug. 20, 2019

Filed:

Sep. 30, 2015

Powder metallurgy wear-resistant tool steel

Applicants:

Heye Special Steel Co., Ltd, Shijiazhuang, Hebei, CN;

Advanced Technology & Materials Co., Ltd, Beijing, CN;

Inventors:

Xiaoming Li, Beijing, CN;

Lizhi Wu, Beijing, CN;

Hailin Zhong, Beijing, CN;

Xuebing Wang, Beijing, CN;

Chunjiang Kuang, Beijing, CN;

Yucheng Fang, Beijing, CN;

Assignees:

HEYE SPECIAL STEEL CO., LTD, Shijiazhuang, Hebel, CN;

ADVANCED TECHNOLOGY & MATERIALS CO., LTD, Beijing, CN;

Attorney:
Primary Examiner:

Cam N Nguyen

Int. Cl.
CPC ...
C22C 33/02 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/10 (2006.01); C22C 38/16 (2006.01); C22C 45/02 (2006.01); B22F 1/00 (2006.01); H01F 1/147 (2006.01); H01F 1/153 (2006.01); H01F 1/20 (2006.01); C22C 38/36 (2006.01); B22F 3/15 (2006.01); B22F 9/08 (2006.01); C22C 38/04 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/26 (2006.01); C22C 38/30 (2006.01); B22F 5/00 (2006.01);
U.S. Cl.
CPC ...
C22C 38/36 (2013.01); B22F 1/0003 (2013.01); B22F 3/15 (2013.01); B22F 9/082 (2013.01); C22C 33/0278 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/22 (2013.01); C22C 38/24 (2013.01); C22C 38/26 (2013.01); C22C 38/30 (2013.01); B22F 2005/002 (2013.01); B22F 2009/0824 (2013.01); B22F 2009/0848 (2013.01); B22F 2009/0876 (2013.01); B22F 2201/02 (2013.01); B22F 2301/35 (2013.01); B22F 2998/10 (2013.01);
Abstract

A powder metallurgy wear-resistant tool steel includes chemical components by mass percent of: V: 12.2%-16.2%, Nb: 1.1%-3.2%, C: 2.6%-4.0%, Si: ≤2.0%, Mn: 0.2%-1.5%, Cr: 4.0%-5.6%, Mo: ≤3.0%, W: 0.1%-1.0%, Co: 0.05%-0.5%, N: 0.05%-0.7%, with balance iron and impurities; wherein a carbide component of the powder metallurgy wear-resistant tool steel is an MX carbide with a NaCl type face-centered cubic lattice structure; wherein an M element of the MX carbide comprises V and Nb, and an X element comprises C and N.

Find Patent Forward Citations

Loading…