JPH0568524B2 - - Google Patents
Info
- Publication number
- JPH0568524B2 JPH0568524B2 JP24359583A JP24359583A JPH0568524B2 JP H0568524 B2 JPH0568524 B2 JP H0568524B2 JP 24359583 A JP24359583 A JP 24359583A JP 24359583 A JP24359583 A JP 24359583A JP H0568524 B2 JPH0568524 B2 JP H0568524B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- hardness
- cooling
- cold forging
- forging
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 48
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000011282 treatment Methods 0.000 claims description 12
- 238000001953 recrystallisation Methods 0.000 claims description 11
- 238000010273 cold forging Methods 0.000 claims description 10
- 238000005242 forging Methods 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000009466 transformation Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 239000013078 crystal Substances 0.000 description 8
- 102200082816 rs34868397 Human genes 0.000 description 6
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 102220097517 rs876659265 Human genes 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
-
- 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 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)
- Forging (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24359583A JPS60135520A (ja) | 1983-12-23 | 1983-12-23 | 冷間鍛造用素材の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24359583A JPS60135520A (ja) | 1983-12-23 | 1983-12-23 | 冷間鍛造用素材の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60135520A JPS60135520A (ja) | 1985-07-18 |
| JPH0568524B2 true JPH0568524B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-09-29 |
Family
ID=17106149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24359583A Granted JPS60135520A (ja) | 1983-12-23 | 1983-12-23 | 冷間鍛造用素材の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60135520A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013070133A1 (en) * | 2011-11-11 | 2013-05-16 | Aktiebolaget Skf | Steel ring blank or segment blank and method for manufacturing |
-
1983
- 1983-12-23 JP JP24359583A patent/JPS60135520A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60135520A (ja) | 1985-07-18 |