DE189339C - - Google Patents
Info
- Publication number
- DE189339C DE189339C DENDAT189339D DE189339DA DE189339C DE 189339 C DE189339 C DE 189339C DE NDAT189339 D DENDAT189339 D DE NDAT189339D DE 189339D A DE189339D A DE 189339DA DE 189339 C DE189339 C DE 189339C
- Authority
- DE
- Germany
- Prior art keywords
- iron
- unhardened
- bare
- hardened
- cooling
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-Anspruch:Verfahren zur Herstellung von kleinen ungehärteten, blanken und zugfesten Eisengegenständen (Hufnägeln o. dgl.), dadurch gekennzeichnet, daß man sehr kohlenstoffarmes, durch Kühlen nicht zu härtendes Eisen bei schwacher Rotglut in die gewünschte Form bringt, rasch auf unter ioo° C. abkühlt und dann, ehe noch eine Oxydation stattfindet, fertig schmiedet.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE189339C true DE189339C (de) |
Family
ID=452895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT189339D Active DE189339C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE189339C (de) |
-
0
- DE DENDAT189339D patent/DE189339C/de active Active
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