IT1241775B - High speed tool steels prodn. - using mixt. ofolivine ore, alloying components and stearic acid - Google Patents
High speed tool steels prodn. - using mixt. ofolivine ore, alloying components and stearic acidInfo
- Publication number
- IT1241775B IT1241775B IT947090A IT947090A IT1241775B IT 1241775 B IT1241775 B IT 1241775B IT 947090 A IT947090 A IT 947090A IT 947090 A IT947090 A IT 947090A IT 1241775 B IT1241775 B IT 1241775B
- Authority
- IT
- Italy
- Prior art keywords
- stearic acid
- ore
- mixt
- ofolivine
- prodn
- Prior art date
Links
- 235000021355 Stearic acid Nutrition 0.000 title abstract 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 title abstract 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 title abstract 3
- 239000008117 stearic acid Substances 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 title 1
- 238000005275 alloying Methods 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
- 229910052609 olivine Inorganic materials 0.000 abstract 3
- 239000010450 olivine Substances 0.000 abstract 3
- 229910001315 Tool steel Inorganic materials 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Powder Metallurgy (AREA)
Abstract
Tool steel is made by melting together pulverised raw ore of olivine (an ore from Korea), required alloy components and stearic acid as binder. The olivine is pref. sintered. The compsn. of the mixt. used contains (wt.%) 40-45 olivine, 10-12 99% Cr; 35-40 65% Mo; 5-8 70% W and 3-10 stearic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT947090A IT1241775B (en) | 1990-08-23 | 1990-08-23 | High speed tool steels prodn. - using mixt. ofolivine ore, alloying components and stearic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT947090A IT1241775B (en) | 1990-08-23 | 1990-08-23 | High speed tool steels prodn. - using mixt. ofolivine ore, alloying components and stearic acid |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IT9009470A0 IT9009470A0 (en) | 1990-08-23 |
| IT9009470A1 IT9009470A1 (en) | 1992-02-23 |
| IT1241775B true IT1241775B (en) | 1994-02-01 |
Family
ID=11130629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT947090A IT1241775B (en) | 1990-08-23 | 1990-08-23 | High speed tool steels prodn. - using mixt. ofolivine ore, alloying components and stearic acid |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1241775B (en) |
-
1990
- 1990-08-23 IT IT947090A patent/IT1241775B/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| IT9009470A0 (en) | 1990-08-23 |
| IT9009470A1 (en) | 1992-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted |