JPH046783B2 - - Google Patents
Info
- Publication number
- JPH046783B2 JPH046783B2 JP21216887A JP21216887A JPH046783B2 JP H046783 B2 JPH046783 B2 JP H046783B2 JP 21216887 A JP21216887 A JP 21216887A JP 21216887 A JP21216887 A JP 21216887A JP H046783 B2 JPH046783 B2 JP H046783B2
- Authority
- JP
- Japan
- Prior art keywords
- corrosion resistance
- weight
- sample
- corrosion
- machinability
- 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.)
- Expired
Links
- 238000005260 corrosion Methods 0.000 claims description 62
- 230000007797 corrosion Effects 0.000 claims description 62
- 239000010935 stainless steel Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052797 bismuth Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000004310 lactic acid Substances 0.000 description 3
- 235000014655 lactic acid Nutrition 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000997 High-speed steel Inorganic materials 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000915 Free machining steel Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- -1 TiC Chemical class 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21216887A JPS6455362A (en) | 1987-08-25 | 1987-08-25 | Ni-cr stainless steel improved in corrosion resistance and machinability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21216887A JPS6455362A (en) | 1987-08-25 | 1987-08-25 | Ni-cr stainless steel improved in corrosion resistance and machinability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6455362A JPS6455362A (en) | 1989-03-02 |
| JPH046783B2 true JPH046783B2 (cg-RX-API-DMAC7.html) | 1992-02-06 |
Family
ID=16618031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21216887A Granted JPS6455362A (en) | 1987-08-25 | 1987-08-25 | Ni-cr stainless steel improved in corrosion resistance and machinability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6455362A (cg-RX-API-DMAC7.html) |
-
1987
- 1987-08-25 JP JP21216887A patent/JPS6455362A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6455362A (en) | 1989-03-02 |
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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 |
|
| LAPS | Cancellation because of no payment of annual fees |