Title:
GEAR STEEL BAR WITH CONTROLLED ROLLING AND HIGH-TEMPERATURE TEMPERING
Document Type and Number:
WIPO Patent Application WO/2022/227160
Kind Code:
A1
Abstract:
Disclosed is a gear steel bar with controlled rolling and high-temperature tempering. The gear steel bar comprises the following components in percentage by weight: 0.15-0.25 % of C, 1.00-1.50 % of Mn, less than or equal to 0.35 % of Si, less than or equal to 0.030 % of P, less than or equal to 0.030 % of S, less than or equal to 1.00-1.50 % of Cr, 0.010-0.045 % of Al, and the balance being Fe and unavoidable impurities.
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Inventors:
WANG YING (CN)
LI HAIYANG (CN)
ZHOU LEI (CN)
LI HAIYANG (CN)
ZHOU LEI (CN)
Application Number:
PCT/CN2021/096016
Publication Date:
November 03, 2022
Filing Date:
May 26, 2021
Export Citation:
Assignee:
NANJING IRON & STEEL CO LTD (CN)
International Classes:
C22C38/02; C21D1/18; C21D6/00; C21D8/06; C21D9/00; C22C38/04; C22C38/06; C22C38/18
Foreign References:
| JP2002309318A | 2002-10-23 | |||
| CN109715845A | 2019-05-03 | |||
| CN111945070A | 2020-11-17 | |||
| CN107828957A | 2018-03-23 | |||
| CN110952022A | 2020-04-03 |
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM (ORDINARY PARTNERSHIP) (CN)
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