JPH01136932A - ベイナイトダクタイル鋳鉄管の製造方法 - Google Patents
ベイナイトダクタイル鋳鉄管の製造方法Info
- Publication number
- JPH01136932A JPH01136932A JP29475887A JP29475887A JPH01136932A JP H01136932 A JPH01136932 A JP H01136932A JP 29475887 A JP29475887 A JP 29475887A JP 29475887 A JP29475887 A JP 29475887A JP H01136932 A JPH01136932 A JP H01136932A
- Authority
- JP
- Japan
- Prior art keywords
- cast iron
- tube
- ductile cast
- cool
- temperature
- 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
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 24
- 229910001563 bainite Inorganic materials 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 claims abstract description 21
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 14
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 12
- 238000000137 annealing Methods 0.000 claims abstract description 9
- 238000009750 centrifugal casting Methods 0.000 claims abstract description 6
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000000717 retained effect Effects 0.000 abstract description 4
- 238000003288 salt bathing Methods 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 238000005266 casting Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 238000005279 austempering Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 3
- 229910001562 pearlite Inorganic materials 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29475887A JPH01136932A (ja) | 1987-11-20 | 1987-11-20 | ベイナイトダクタイル鋳鉄管の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29475887A JPH01136932A (ja) | 1987-11-20 | 1987-11-20 | ベイナイトダクタイル鋳鉄管の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136932A true JPH01136932A (ja) | 1989-05-30 |
| JPH0255489B2 JPH0255489B2 (enrdf_load_stackoverflow) | 1990-11-27 |
Family
ID=17811920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29475887A Granted JPH01136932A (ja) | 1987-11-20 | 1987-11-20 | ベイナイトダクタイル鋳鉄管の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136932A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2465952A1 (en) * | 2010-12-16 | 2012-06-20 | General Electric Company | Method of producing large components form austempered ductile iron alloys |
| CN102741938A (zh) * | 2010-01-28 | 2012-10-17 | 住友金属工业株式会社 | 核电站用金属管的热处理方法及在该方法中使用的间歇式真空热处理炉以及利用该方法处理的核电站用金属管 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58185745A (ja) * | 1982-04-22 | 1983-10-29 | Mazda Motor Corp | 強靱性を有する球状黒鉛鋳鉄部品の製造方法 |
| JPS5980714A (ja) * | 1982-10-30 | 1984-05-10 | Mazda Motor Corp | 高靭性、高耐摩耗性を有する鋳鉄部品の製造法 |
-
1987
- 1987-11-20 JP JP29475887A patent/JPH01136932A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58185745A (ja) * | 1982-04-22 | 1983-10-29 | Mazda Motor Corp | 強靱性を有する球状黒鉛鋳鉄部品の製造方法 |
| JPS5980714A (ja) * | 1982-10-30 | 1984-05-10 | Mazda Motor Corp | 高靭性、高耐摩耗性を有する鋳鉄部品の製造法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102741938A (zh) * | 2010-01-28 | 2012-10-17 | 住友金属工业株式会社 | 核电站用金属管的热处理方法及在该方法中使用的间歇式真空热处理炉以及利用该方法处理的核电站用金属管 |
| EP2465952A1 (en) * | 2010-12-16 | 2012-06-20 | General Electric Company | Method of producing large components form austempered ductile iron alloys |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0255489B2 (enrdf_load_stackoverflow) | 1990-11-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |