JPH0526850B2 - - Google Patents
Info
- Publication number
- JPH0526850B2 JPH0526850B2 JP3499086A JP3499086A JPH0526850B2 JP H0526850 B2 JPH0526850 B2 JP H0526850B2 JP 3499086 A JP3499086 A JP 3499086A JP 3499086 A JP3499086 A JP 3499086A JP H0526850 B2 JPH0526850 B2 JP H0526850B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- less
- rolling
- temperature
- 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.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 238000005096 rolling process Methods 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000010273 cold forging Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 14
- 229910001562 pearlite Inorganic materials 0.000 description 12
- 229910000859 α-Fe Inorganic materials 0.000 description 12
- 238000000137 annealing Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005482 strain hardening Methods 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 102220358403 c.89C>G Human genes 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 102200003959 rs11556986 Human genes 0.000 description 2
- 102200081478 rs121908458 Human genes 0.000 description 2
- 102220033831 rs145989498 Human genes 0.000 description 2
- 102220062469 rs786203185 Human genes 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 229910001035 Soft ferrite Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009864 tensile test 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
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 Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3499086A JPS62196327A (ja) | 1986-02-21 | 1986-02-21 | 冷間鍛造用高炭素棒線材の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3499086A JPS62196327A (ja) | 1986-02-21 | 1986-02-21 | 冷間鍛造用高炭素棒線材の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62196327A JPS62196327A (ja) | 1987-08-29 |
| JPH0526850B2 true JPH0526850B2 (de) | 1993-04-19 |
Family
ID=12429581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3499086A Granted JPS62196327A (ja) | 1986-02-21 | 1986-02-21 | 冷間鍛造用高炭素棒線材の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62196327A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999045162A1 (fr) * | 1998-03-04 | 1999-09-10 | Nippon Steel Corporation | Aciers a forger a froid et leur procede de fabrication |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2610662B2 (ja) * | 1988-11-09 | 1997-05-14 | 川崎製鉄株式会社 | 冷間鍛造性及び高周波焼入性に優れた機械構造用炭素鋼 |
| JP2937332B2 (ja) * | 1988-11-28 | 1999-08-23 | 大同特殊鋼株式会社 | 冷間鍛造用鋼 |
| JP2591807B2 (ja) * | 1988-11-29 | 1997-03-19 | 川崎製鉄株式会社 | 冷間鍛造性及び高周波焼入れ性に優れた機械構造用炭素鋼 |
| JPH02179841A (ja) * | 1988-12-29 | 1990-07-12 | Aichi Steel Works Ltd | 高周波焼入用非調質鋼およびその製造方法 |
| JP2001026836A (ja) | 1999-07-13 | 2001-01-30 | Daido Steel Co Ltd | 冷間加工性、転動疲労強度およびねじり疲労強度に優れた高周波焼入用鋼ならびに機械構造用部品 |
-
1986
- 1986-02-21 JP JP3499086A patent/JPS62196327A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999045162A1 (fr) * | 1998-03-04 | 1999-09-10 | Nippon Steel Corporation | Aciers a forger a froid et leur procede de fabrication |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62196327A (ja) | 1987-08-29 |
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