JPH0213004B2 - - Google Patents
Info
- Publication number
- JPH0213004B2 JPH0213004B2 JP56153924A JP15392481A JPH0213004B2 JP H0213004 B2 JPH0213004 B2 JP H0213004B2 JP 56153924 A JP56153924 A JP 56153924A JP 15392481 A JP15392481 A JP 15392481A JP H0213004 B2 JPH0213004 B2 JP H0213004B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- temperature range
- cooling
- reduction
- less
- 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 68
- 229910001566 austenite Inorganic materials 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 229910000859 α-Fe Inorganic materials 0.000 claims description 16
- 229910001562 pearlite Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 229910000746 Structural steel Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 238000001953 recrystallisation Methods 0.000 description 11
- 229910001563 bainite Inorganic materials 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000009466 transformation Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 238000000137 annealing Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000005098 hot rolling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000012669 compression test Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 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)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15392481A JPS5858235A (ja) | 1981-09-30 | 1981-09-30 | 構造用鋼線・棒鋼の直接軟化熱処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15392481A JPS5858235A (ja) | 1981-09-30 | 1981-09-30 | 構造用鋼線・棒鋼の直接軟化熱処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5858235A JPS5858235A (ja) | 1983-04-06 |
| JPH0213004B2 true JPH0213004B2 (de) | 1990-04-03 |
Family
ID=15573057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15392481A Granted JPS5858235A (ja) | 1981-09-30 | 1981-09-30 | 構造用鋼線・棒鋼の直接軟化熱処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5858235A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015205305A (ja) * | 2014-04-21 | 2015-11-19 | 大同特殊鋼株式会社 | リングの製造方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59100216A (ja) * | 1982-11-29 | 1984-06-09 | Kawasaki Steel Corp | 冷鍛用および切削構造用合金鋼の製造方法 |
| JPS59123741A (ja) * | 1982-12-28 | 1984-07-17 | Kobe Steel Ltd | 熱処理省略型高張力熱間圧延線材の製造方法 |
| JPS62188723A (ja) * | 1986-02-14 | 1987-08-18 | Nippon Steel Corp | 変形抵抗の小さい冷間加工用中炭素鋼材の製造方法 |
| JPH03253514A (ja) * | 1990-03-02 | 1991-11-12 | Nippon Steel Corp | 冷間加工性の優れた高強度合金鋼の製造方法 |
| CN104561815B (zh) * | 2013-10-09 | 2016-09-28 | 宝钢特钢有限公司 | 一种高均质大规格超高强度钢棒及其生产方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5565324A (en) * | 1978-11-07 | 1980-05-16 | Sumitomo Metal Ind Ltd | Manufacture of low alloy steel excellent in cold workability |
-
1981
- 1981-09-30 JP JP15392481A patent/JPS5858235A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5565324A (en) * | 1978-11-07 | 1980-05-16 | Sumitomo Metal Ind Ltd | Manufacture of low alloy steel excellent in cold workability |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015205305A (ja) * | 2014-04-21 | 2015-11-19 | 大同特殊鋼株式会社 | リングの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5858235A (ja) | 1983-04-06 |
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