JPS55138058A - High chromium ferrite stainless steel - Google Patents
High chromium ferrite stainless steelInfo
- Publication number
- JPS55138058A JPS55138058A JP4357979A JP4357979A JPS55138058A JP S55138058 A JPS55138058 A JP S55138058A JP 4357979 A JP4357979 A JP 4357979A JP 4357979 A JP4357979 A JP 4357979A JP S55138058 A JPS55138058 A JP S55138058A
- Authority
- JP
- Japan
- Prior art keywords
- stainless steel
- ferrite stainless
- high chromium
- elements
- chromium ferrite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
PURPOSE: To enhance anti-pitting property to seawater by a method wherein high chromium ferrite stainless steel is reduced in C and N contents and is added with Mo, Co, and other elements.
CONSTITUTION: The object ferrite stainless steel contains C<0.10%, N<0.10%, Si<2%, Mn<2%, Cr: 20W35%, Mo<6%, Co<6%, and one or more of Ti, Nb and Ta in the range of 5×(C+N)W1.5%. The steel may further contain single or compounded elements of Ni<6% or each less than 1% of Zr, V, W, and less than 1% of one or more of Al, Ca, Mg, Ce, La. The amount of C and N is small and further is prevented by Ti, Nb and Ta from precipitating on crystal grain boundaries. Thus, anti-pitting property to seawater is enhanced. Other added elements improve toughness and hot working property.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4357979A JPS55138058A (en) | 1979-04-12 | 1979-04-12 | High chromium ferrite stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4357979A JPS55138058A (en) | 1979-04-12 | 1979-04-12 | High chromium ferrite stainless steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55138058A true JPS55138058A (en) | 1980-10-28 |
Family
ID=12667663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4357979A Pending JPS55138058A (en) | 1979-04-12 | 1979-04-12 | High chromium ferrite stainless steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55138058A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8470237B2 (en) | 2006-05-09 | 2013-06-25 | Nippon Steel & Sumikin Stainless Steel Corporation | Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent in resistance to crevice corrosion |
-
1979
- 1979-04-12 JP JP4357979A patent/JPS55138058A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8470237B2 (en) | 2006-05-09 | 2013-06-25 | Nippon Steel & Sumikin Stainless Steel Corporation | Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent in resistance to crevice corrosion |
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