JPS633928B2 - - Google Patents
Info
- Publication number
- JPS633928B2 JPS633928B2 JP54106390A JP10639079A JPS633928B2 JP S633928 B2 JPS633928 B2 JP S633928B2 JP 54106390 A JP54106390 A JP 54106390A JP 10639079 A JP10639079 A JP 10639079A JP S633928 B2 JPS633928 B2 JP S633928B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- hot
- steel
- transformation point
- hot forming
- 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 53
- 239000010959 steel Substances 0.000 claims description 53
- 230000009466 transformation Effects 0.000 claims description 50
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 description 48
- 238000012545 processing Methods 0.000 description 40
- 238000000034 method Methods 0.000 description 25
- 239000000463 material Substances 0.000 description 24
- 238000001816 cooling Methods 0.000 description 21
- 230000008569 process Effects 0.000 description 20
- 238000011282 treatment Methods 0.000 description 16
- 238000005496 tempering Methods 0.000 description 14
- 238000000137 annealing Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 7
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 238000007670 refining Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052720 vanadium 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
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10639079A JPS5629625A (en) | 1979-08-20 | 1979-08-20 | Manufacture of cr-mo steel hot molded product having excellent mechanical strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10639079A JPS5629625A (en) | 1979-08-20 | 1979-08-20 | Manufacture of cr-mo steel hot molded product having excellent mechanical strength |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5629625A JPS5629625A (en) | 1981-03-25 |
| JPS633928B2 true JPS633928B2 (fr) | 1988-01-26 |
Family
ID=14432359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10639079A Granted JPS5629625A (en) | 1979-08-20 | 1979-08-20 | Manufacture of cr-mo steel hot molded product having excellent mechanical strength |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5629625A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0719130U (ja) * | 1991-03-18 | 1995-04-07 | 恒雄 田中 | 飲料液収納紙箱 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01162724A (ja) * | 1987-12-21 | 1989-06-27 | Kawasaki Steel Corp | 耐食性ならびに溶接性に優れた高強度Ｃｒ―Ｍｏ継目無鋼管の製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552749A (en) * | 1978-06-20 | 1980-01-10 | Kawasaki Steel Corp | Manufacture of hot formed product of high toughness low alloy steel containing mo |
-
1979
- 1979-08-20 JP JP10639079A patent/JPS5629625A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552749A (en) * | 1978-06-20 | 1980-01-10 | Kawasaki Steel Corp | Manufacture of hot formed product of high toughness low alloy steel containing mo |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0719130U (ja) * | 1991-03-18 | 1995-04-07 | 恒雄 田中 | 飲料液収納紙箱 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5629625A (en) | 1981-03-25 |
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