Title:
BAR FOR MOTOR SHAFT OF NEW ENERGY VEHICLE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/046101
Kind Code:
A1
Abstract:
The present invention discloses a bar for a motor shaft of a new energy vehicle and a preparation method therefor, and relates to the technical field of steel production. The bar comprises the following chemical components, in percentages by mass: C: 0.14-0.21%, Si≤0.40%, Mn: 1.00-1.40%, P≤0.025%, S: 0.010-0.035%, Cr: 0.80-1.20%, Mo: 0.10-0.20%, Al: 0.020-0.050%, and H≤0.00015%, with the balance being Fe and inevitable impurities. This type of steel can fully meet the requirements of an electric vehicle having a high rotating speed and a high torque for stable driving.
Inventors:
ZHU RUIRONG (CN)
XU XIAOCHUN (CN)
GUO ZIQIANG (CN)
LI HAIYANG (CN)
QIN XUAN (CN)
WANG SHOUWEI (CN)
ZHOU YANG (CN)
ZHAO DAZHI (CN)
JIANG YAN (CN)
DAI ZHONGWEI (CN)
DENG WEI (CN)
XU XIAOCHUN (CN)
GUO ZIQIANG (CN)
LI HAIYANG (CN)
QIN XUAN (CN)
WANG SHOUWEI (CN)
ZHOU YANG (CN)
ZHAO DAZHI (CN)
JIANG YAN (CN)
DAI ZHONGWEI (CN)
DENG WEI (CN)
Application Number:
PCT/CN2023/112816
Publication Date:
March 07, 2024
Filing Date:
August 14, 2023
Export Citation:
Assignee:
NANJING IRON & STEEL CO LTD (CN)
International Classes:
C22C38/02; B21B1/16; B21B37/74; B22D11/18; C21D8/06; C22C33/04; C22C38/04; C22C38/06; C22C38/22
Foreign References:
| CN115341153A | 2022-11-15 | |||
| CN114941101A | 2022-08-26 | |||
| CN113953477A | 2022-01-21 | |||
| CN102703817A | 2012-10-03 | |||
| AU2020103572A4 | 2021-02-04 |
Attorney, Agent or Firm:
NANJING LI & FENG INTELLECTUAL PROPERTY AGENCY (SPECIAL GENERAL PARTNERSHIP) et al. (CN)
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