JPS5743965A - Heat resistant cast alloy - Google Patents
Heat resistant cast alloyInfo
- Publication number
- JPS5743965A JPS5743965A JP11884180A JP11884180A JPS5743965A JP S5743965 A JPS5743965 A JP S5743965A JP 11884180 A JP11884180 A JP 11884180A JP 11884180 A JP11884180 A JP 11884180A JP S5743965 A JPS5743965 A JP S5743965A
- Authority
- JP
- Japan
- Prior art keywords
- heat resistant
- cast alloy
- resistant cast
- increased
- creep rupture
- 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.)
- Granted
Links
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
PURPOSE: To obtain a heat resistant cast alloy excellent in creep rupture strength and oxidation resistance as compared to HP40 or the like by limiting an Mn amount in the heat resistant cast alloy HP40 and adding W, Nb thereto.
CONSTITUTION: Said heat resistant cast alloy comprises, in the % basis, 0.35W 0.6 C, 0.5W2.0 Si, 0.3W0.9 Mn, 24W30 Cr, 30W40 Ni, 3W6 W, 0.1W0.5 Nb, 0.4 or less P, 0.04 or less S and the remainder Fe substantially. Herein, when Mn exceeds the upper limit, deterioration of oxidation resistance at about 1,100°C is induced. W is effective in increasing high temp. strength and, when exceeds the lower limit, creep rupture strength is remarkably increased and, even if exceeds the upper limit, said creep rupture strength is increased but a material itself is hardened and reduction of ductility in a low temp. range is induced. Ni enhances creep rupture strength and, as an amount thereof is increased at the lower limit or more, effect thereof is increased but, because oxidation resistance is extremely inhibited at a temp. exceeding about 1,100°C in combination with W, the amount thereof is defined to the upper limit or less.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11884180A JPS5919985B2 (en) | 1980-08-28 | 1980-08-28 | Heat resistant casting alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11884180A JPS5919985B2 (en) | 1980-08-28 | 1980-08-28 | Heat resistant casting alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5743965A true JPS5743965A (en) | 1982-03-12 |
| JPS5919985B2 JPS5919985B2 (en) | 1984-05-10 |
Family
ID=14746471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11884180A Expired JPS5919985B2 (en) | 1980-08-28 | 1980-08-28 | Heat resistant casting alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5919985B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038457A (en) * | 1988-04-27 | 1991-08-13 | Shin Meiwa Industry Co., Ltd. | Harness producing apparatus |
-
1980
- 1980-08-28 JP JP11884180A patent/JPS5919985B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038457A (en) * | 1988-04-27 | 1991-08-13 | Shin Meiwa Industry Co., Ltd. | Harness producing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5919985B2 (en) | 1984-05-10 |
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