JPS5723051A - Cavitation and erosion resistant martensite type stainless cast steel - Google Patents
Cavitation and erosion resistant martensite type stainless cast steelInfo
- Publication number
- JPS5723051A JPS5723051A JP9623680A JP9623680A JPS5723051A JP S5723051 A JPS5723051 A JP S5723051A JP 9623680 A JP9623680 A JP 9623680A JP 9623680 A JP9623680 A JP 9623680A JP S5723051 A JPS5723051 A JP S5723051A
- Authority
- JP
- Japan
- Prior art keywords
- cast steel
- type stainless
- martensite type
- cavitation
- stainless cast
- 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
- 229910001208 Crucible steel Inorganic materials 0.000 title abstract 4
- 229910000734 martensite Inorganic materials 0.000 title abstract 3
- 230000003628 erosive effect Effects 0.000 title abstract 2
- 238000005266 casting Methods 0.000 abstract 4
- 238000002844 melting Methods 0.000 abstract 3
- 230000008018 melting Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 3
- 229910052804 chromium Inorganic materials 0.000 abstract 2
- 229910052748 manganese Inorganic materials 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- 229910052758 niobium Inorganic materials 0.000 abstract 2
- 238000000137 annealing Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
PURPOSE: To provide martensite type stainless cast steel having excellent cavitation and erosion resistance obtained by containing C, Si, Mn, Ni, Cr, Nb, Mo in Fe in a specific ratio.
CONSTITUTION: Martensite type stainless cast steel containing, in the wt. basis, 0.1% or less C, 1.0% or less Si, 2.0W9.0% Mn, 0.5W8.0% Ni, 11.0W14.0% Cr, 0.01W0.1% Nb and the remainder of substantial Fe or one further containing 2.0% or less Mo thereto is prepared. Further, a melting method is carried out by a high frequency melting method, a melting method by an electric arc furnace or the like and, moreover, casting is carried out by a sand mold casting, a metal mold casting or the like. After casting, it is different owing to a shape or a size but the cast steel is cooled at a speed not forming crack and, further, annealing is pref. carried out at about 500W700°C.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9623680A JPS5723051A (en) | 1980-07-16 | 1980-07-16 | Cavitation and erosion resistant martensite type stainless cast steel |
| US06/256,120 US4406698A (en) | 1980-04-28 | 1981-04-21 | Martensitic stainless cast steel having high cavitation erosion resistance |
| DE8181103074T DE3165012D1 (en) | 1980-04-28 | 1981-04-23 | Martensitic stainless cast steel having high cavitation erosion resistance |
| EP81103074A EP0039052B1 (en) | 1980-04-28 | 1981-04-23 | Martensitic stainless cast steel having high cavitation erosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9623680A JPS5723051A (en) | 1980-07-16 | 1980-07-16 | Cavitation and erosion resistant martensite type stainless cast steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5723051A true JPS5723051A (en) | 1982-02-06 |
Family
ID=14159587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9623680A Pending JPS5723051A (en) | 1980-04-28 | 1980-07-16 | Cavitation and erosion resistant martensite type stainless cast steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5723051A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4758116A (en) * | 1986-05-23 | 1988-07-19 | Takuji Ezoe | Multi-blade ditching machine |
-
1980
- 1980-07-16 JP JP9623680A patent/JPS5723051A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4758116A (en) * | 1986-05-23 | 1988-07-19 | Takuji Ezoe | Multi-blade ditching machine |
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