Invention Application
- Patent Title: PRECIPITATION-HARDENED STAINLESS STEEL ALLOYS
- Patent Title (中): 降低硬化不锈钢合金
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Application No.: US14375150Application Date: 2013-08-08
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Publication No.: US20160138123A1Publication Date: 2016-05-19
- Inventor: Erwen Huang
- Applicant: Erwen Huang
- International Application: PCT/CN2013/081044 WO 20130808
- Main IPC: C21D6/02
- IPC: C21D6/02 ; C22C38/60 ; C22C38/50 ; C22C38/48 ; C22C38/46 ; F01D5/28 ; C22C38/42 ; C22C38/06 ; C22C38/04 ; C22C38/02 ; C22C38/00 ; C21D6/00 ; C22C38/44

Abstract:
Forged precipitation-hardened stainless steel alloys are provided. The forged precipitation-hardened stainless steel alloy can include, by weight, about 14.0% to about 16.0% chromium, about 6.0% to about 8.0% nickel, about 1.25% to about 1.75% copper, about 1.0% to about 2.0% molybdenum, about 0.001% to about 0.05% carbon, a carbide forming element in an amount of about 0.3% to about 0.8% and greater than about 8 times that of carbon, the balance iron, and incidental impurities. Generally, the carbide forming element is selected from the group consisting of titanium, zirconium, tantalum, and a mixture thereof.
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