Title:
HIGH-STRENGTH AND HIGH-CORROSION-RESISTANCE NICKEL-SAVING AUSTENITIC STAINLESS STEEL AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/020034
Kind Code:
A1
Abstract:
A high-strength and high-corrosion-resistance nickel-saving Austenitic stainless steel and manufacturing method therefor. The high-strength and high-corrosion-resistance nickel-saving Austenitic stainless steel comprises the following components according to the mass percentages: 0.03% ≤ C ≤ 0.12%, 0.3% ≤ Si ≤ 1.0%, 6.0% < Mn < 7.0%, 18.0% ≤ Cr ≤ 20.5%, 2.0% ≤ Ni < 3.0%, 1.0% ≤ Cu < 2.0%, P ≤ 0.045%, S ≤ 0.0050%, 0.16% ≤ N ≤ 0.30%; Mo ≤ 1.0%, Nb ≤ 0.20%; V ≤ 0.20%; Ti ≤ 0.20%; B ≤ 0.0050%; Ca ≤ 0.0050%; with the balance being Fe and inevitable impurity elements. The high-strength and high-corrosion-resistance nickel-saving Austenitic stainless steel not only has low costs, and has high-corrosion-resistance and a good mechanical property.
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Inventors:
JIANG HAIHONG (CN)
ZHOU QINGLONG (CN)
JIANG YI (CN)
JIANG MEIXUE (CN)
JIANG LAIZHU (CN)
ZHOU QINGLONG (CN)
JIANG YI (CN)
JIANG MEIXUE (CN)
JIANG LAIZHU (CN)
Application Number:
PCT/CN2019/096359
Publication Date:
January 30, 2020
Filing Date:
July 17, 2019
Export Citation:
Assignee:
TSINGTUO GROUP CO LTD (CN)
International Classes:
C22C38/02; C22C38/42; C22C38/58
Foreign References:
| CN109207846A | 2019-01-15 | |||
| CN101381853A | 2009-03-11 | |||
| CN102337481A | 2012-02-01 | |||
| CN101724790A | 2010-06-09 | |||
| CN101942612A | 2011-01-12 | |||
| KR20100069876A | 2010-06-25 | |||
| CN105112608A | 2015-12-02 | |||
| EP2226406A1 | 2010-09-08 |
Attorney, Agent or Firm:
BORSAM INTELLECTUAL PROPERTY (FUZHOU) (CN)
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