JPH0347921B2 - - Google Patents
Info
- Publication number
- JPH0347921B2 JPH0347921B2 JP59229602A JP22960284A JPH0347921B2 JP H0347921 B2 JPH0347921 B2 JP H0347921B2 JP 59229602 A JP59229602 A JP 59229602A JP 22960284 A JP22960284 A JP 22960284A JP H0347921 B2 JPH0347921 B2 JP H0347921B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- hot
- reduction
- cracks
- steel
- 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
- 238000005096 rolling process Methods 0.000 claims description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 230000009467 reduction Effects 0.000 claims description 22
- 238000005098 hot rolling Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 239000002244 precipitate Substances 0.000 description 14
- 238000005336 cracking Methods 0.000 description 11
- 229910001566 austenite Inorganic materials 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 7
- 238000009749 continuous casting Methods 0.000 description 6
- 238000001953 recrystallisation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2271/00—Mill stand parameters
- B21B2271/02—Roll gap, screw-down position, draft position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22960284A JPS61108401A (ja) | 1984-10-31 | 1984-10-31 | 表面割れ発生の少ない鋼材の熱間圧延方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22960284A JPS61108401A (ja) | 1984-10-31 | 1984-10-31 | 表面割れ発生の少ない鋼材の熱間圧延方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61108401A JPS61108401A (ja) | 1986-05-27 |
| JPH0347921B2 true JPH0347921B2 (zh) | 1991-07-22 |
Family
ID=16894749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22960284A Granted JPS61108401A (ja) | 1984-10-31 | 1984-10-31 | 表面割れ発生の少ない鋼材の熱間圧延方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61108401A (zh) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5744402A (en) * | 1980-08-29 | 1982-03-12 | Kawasaki Steel Corp | Reforming method for continously cast ni-containing billet to be hot rolled |
| JPS5852441A (ja) * | 1981-09-22 | 1983-03-28 | Sumitomo Metal Ind Ltd | プレス成形性の良好な高強度冷延鋼板の製造法 |
-
1984
- 1984-10-31 JP JP22960284A patent/JPS61108401A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5744402A (en) * | 1980-08-29 | 1982-03-12 | Kawasaki Steel Corp | Reforming method for continously cast ni-containing billet to be hot rolled |
| JPS5852441A (ja) * | 1981-09-22 | 1983-03-28 | Sumitomo Metal Ind Ltd | プレス成形性の良好な高強度冷延鋼板の製造法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61108401A (ja) | 1986-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |