Invention Grant
- Patent Title: Ferritic ductile cast iron alloys having high carbon content, high silicon content, low nickel content and formed without annealing
- Patent Title (中): 铁素体球墨铸铁合金，含碳量高，硅含量高，镍含量低，无退火形成
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Application No.: US12021327Application Date: 2008-01-29
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Publication No.: US07846381B2Publication Date: 2010-12-07
- Inventor: Cesar Augusto Rezende Braga
- Applicant: Cesar Augusto Rezende Braga
- Applicant Address: US WI Shawano
- Assignee: Aarrowcast, Inc.
- Current Assignee: Aarrowcast, Inc.
- Current Assignee Address: US WI Shawano
- Agency: Andrus, Sceales, Starke & Sawall, LLP
- Main IPC: C21C1/10
- IPC: C21C1/10 ; C22C37/04
Abstract:
Disclosed are methods of making ferritic ductile iron castings (60-40-18) with high toughness (6 ft.lb minimum Charpy V at −20 F and 10 ft.lb minimum Charpy V at +72 F), without adding Nickel and without annealing.
Public/Granted literature
- US20090191085A1 Ferritic Ductile Cast Iron Alloys Public/Granted day:2009-07-30
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