IT1045672B - PROCEDURE FOR TWO-STAGE SURFACE HARDENING OF PIECES OF IRON AND STEEL ALLOYS - Google Patents
PROCEDURE FOR TWO-STAGE SURFACE HARDENING OF PIECES OF IRON AND STEEL ALLOYSInfo
- Publication number
- IT1045672B IT1045672B IT54199/72A IT5419972A IT1045672B IT 1045672 B IT1045672 B IT 1045672B IT 54199/72 A IT54199/72 A IT 54199/72A IT 5419972 A IT5419972 A IT 5419972A IT 1045672 B IT1045672 B IT 1045672B
- Authority
- IT
- Italy
- Prior art keywords
- iron
- pieces
- procedure
- surface hardening
- steel alloys
- Prior art date
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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1007371A AT322599B (en) | 1970-09-21 | 1971-11-23 | PROCESS FOR THE TWO-STAGE SURFACE HARDENING OF WORKPIECES MADE OF IRON AND STEEL ALLOYS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1045672B true IT1045672B (en) | 1980-06-10 |
Family
ID=3619673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT54199/72A IT1045672B (en) | 1971-11-23 | 1972-11-22 | PROCEDURE FOR TWO-STAGE SURFACE HARDENING OF PIECES OF IRON AND STEEL ALLOYS |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4844110A (en) |
| CA (1) | CA963097A (en) |
| DD (1) | DD100284A6 (en) |
| FI (1) | FI53984C (en) |
| IT (1) | IT1045672B (en) |
| NL (1) | NL7214494A (en) |
| NO (1) | NO133763C (en) |
| SE (1) | SE401934B (en) |
| ZA (1) | ZA727335B (en) |
-
1972
- 1972-10-16 ZA ZA727335A patent/ZA727335B/en unknown
- 1972-10-25 NO NO3848/72A patent/NO133763C/no unknown
- 1972-10-26 NL NL7214494A patent/NL7214494A/xx not_active Application Discontinuation
- 1972-11-13 FI FI3166/72A patent/FI53984C/en active
- 1972-11-18 JP JP47115246A patent/JPS4844110A/ja active Pending
- 1972-11-21 DD DD166985A patent/DD100284A6/xx unknown
- 1972-11-21 SE SE7215111A patent/SE401934B/en unknown
- 1972-11-22 IT IT54199/72A patent/IT1045672B/en active
- 1972-11-23 CA CA157,273A patent/CA963097A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA963097A (en) | 1975-02-18 |
| SE401934B (en) | 1978-06-05 |
| NL7214494A (en) | 1973-05-25 |
| ZA727335B (en) | 1973-06-27 |
| JPS4844110A (en) | 1973-06-25 |
| DD100284A6 (en) | 1973-09-12 |
| NO133763B (en) | 1976-03-15 |
| FI53984C (en) | 1978-09-11 |
| FI53984B (en) | 1978-05-31 |
| NO133763C (en) | 1976-06-23 |
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