JPH026809B2 - - Google Patents
Info
- Publication number
- JPH026809B2 JPH026809B2 JP570284A JP570284A JPH026809B2 JP H026809 B2 JPH026809 B2 JP H026809B2 JP 570284 A JP570284 A JP 570284A JP 570284 A JP570284 A JP 570284A JP H026809 B2 JPH026809 B2 JP H026809B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- cooling
- plastic strain
- less
- hot
- 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
- 238000005096 rolling process Methods 0.000 claims description 40
- 238000001816 cooling Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 13
- 229910001562 pearlite Inorganic materials 0.000 claims description 13
- 229910000859 α-Fe Inorganic materials 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 229910000734 martensite Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 229910001563 bainite Inorganic materials 0.000 claims description 9
- 229910001566 austenite Inorganic materials 0.000 description 12
- 238000012545 processing Methods 0.000 description 11
- 238000005098 hot rolling Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000000137 annealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 229910000655 Killed steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 230000009956 central mechanism Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000009423 ventilation Methods 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP570284A JPS60152627A (ja) | 1984-01-18 | 1984-01-18 | 迅速球状化の可能な線材の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP570284A JPS60152627A (ja) | 1984-01-18 | 1984-01-18 | 迅速球状化の可能な線材の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60152627A JPS60152627A (ja) | 1985-08-10 |
| JPH026809B2 true JPH026809B2 (enrdf_load_stackoverflow) | 1990-02-14 |
Family
ID=11618439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP570284A Granted JPS60152627A (ja) | 1984-01-18 | 1984-01-18 | 迅速球状化の可能な線材の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60152627A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10533242B2 (en) | 2014-06-13 | 2020-01-14 | Nippon Steel Corporation | Steel for cold forging |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4435954B2 (ja) | 1999-12-24 | 2010-03-24 | 新日本製鐵株式会社 | 冷間鍛造用棒線材とその製造方法 |
| JP6465049B2 (ja) * | 2016-02-22 | 2019-02-06 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板の製造方法 |
-
1984
- 1984-01-18 JP JP570284A patent/JPS60152627A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10533242B2 (en) | 2014-06-13 | 2020-01-14 | Nippon Steel Corporation | Steel for cold forging |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60152627A (ja) | 1985-08-10 |
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