JPS6237694B2 - - Google Patents
Info
- Publication number
- JPS6237694B2 JPS6237694B2 JP22164582A JP22164582A JPS6237694B2 JP S6237694 B2 JPS6237694 B2 JP S6237694B2 JP 22164582 A JP22164582 A JP 22164582A JP 22164582 A JP22164582 A JP 22164582A JP S6237694 B2 JPS6237694 B2 JP S6237694B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- strength
- curve
- steel
- martensite
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 229910000734 martensite Inorganic materials 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000005496 tempering Methods 0.000 claims description 8
- 238000005098 hot rolling Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 18
- 238000010791 quenching Methods 0.000 description 8
- 229910001563 bainite Inorganic materials 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 5
- 229910001562 pearlite Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22164582A JPS59110734A (ja) | 1982-12-16 | 1982-12-16 | Ｐｃ鋼棒の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22164582A JPS59110734A (ja) | 1982-12-16 | 1982-12-16 | Ｐｃ鋼棒の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59110734A JPS59110734A (ja) | 1984-06-26 |
| JPS6237694B2 true JPS6237694B2 (env) | 1987-08-13 |
Family
ID=16770022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22164582A Granted JPS59110734A (ja) | 1982-12-16 | 1982-12-16 | Ｐｃ鋼棒の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59110734A (env) |
-
1982
- 1982-12-16 JP JP22164582A patent/JPS59110734A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59110734A (ja) | 1984-06-26 |
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