JPH0555572B2 - - Google Patents
Info
- Publication number
- JPH0555572B2 JPH0555572B2 JP61020246A JP2024686A JPH0555572B2 JP H0555572 B2 JPH0555572 B2 JP H0555572B2 JP 61020246 A JP61020246 A JP 61020246A JP 2024686 A JP2024686 A JP 2024686A JP H0555572 B2 JPH0555572 B2 JP H0555572B2
- Authority
- JP
- Japan
- Prior art keywords
- hot
- strength
- temperature
- phase
- rolled 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
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 12
- 230000009466 transformation Effects 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000005098 hot rolling Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 12
- 238000004804 winding Methods 0.000 description 12
- 229910001563 bainite Inorganic materials 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 4
- 238000005275 alloying Methods 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 229910000655 Killed steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2024686A JPS62180021A (ja) | 1986-02-03 | 1986-02-03 | 加工性及び焼付け硬化性に優れた高張力熱延鋼板の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2024686A JPS62180021A (ja) | 1986-02-03 | 1986-02-03 | 加工性及び焼付け硬化性に優れた高張力熱延鋼板の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62180021A JPS62180021A (ja) | 1987-08-07 |
JPH0555572B2 true JPH0555572B2 (de) | 1993-08-17 |
Family
ID=12021835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2024686A Granted JPS62180021A (ja) | 1986-02-03 | 1986-02-03 | 加工性及び焼付け硬化性に優れた高張力熱延鋼板の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62180021A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0730408B2 (ja) * | 1987-04-02 | 1995-04-05 | 川崎製鉄株式会社 | 常温遅時効で焼付け硬化性を有する熱延薄鋼板の製造方法 |
JP2784207B2 (ja) * | 1989-04-21 | 1998-08-06 | 住友金属工業株式会社 | 加工用熱延鋼板の製造方法及び熱延鋼板の加工熱処理法 |
JPH0747798B2 (ja) * | 1989-11-30 | 1995-05-24 | 新日本製鐵株式会社 | バーリング性と延性の優れた熱延鋼板およびその製造方法 |
FI114484B (fi) * | 2002-06-19 | 2004-10-29 | Rautaruukki Oyj | Kuumavalssattu nauhateräs ja sen valmistusmenetelmä |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS586936A (ja) * | 1981-07-06 | 1983-01-14 | Sumitomo Metal Ind Ltd | 加工用熱延高張力鋼板の製造法 |
JPS59222528A (ja) * | 1983-05-31 | 1984-12-14 | Sumitomo Metal Ind Ltd | 熱延高張力鋼板の製造方法 |
-
1986
- 1986-02-03 JP JP2024686A patent/JPS62180021A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS586936A (ja) * | 1981-07-06 | 1983-01-14 | Sumitomo Metal Ind Ltd | 加工用熱延高張力鋼板の製造法 |
JPS59222528A (ja) * | 1983-05-31 | 1984-12-14 | Sumitomo Metal Ind Ltd | 熱延高張力鋼板の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS62180021A (ja) | 1987-08-07 |
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