JPS6362567B2 - - Google Patents
Info
- Publication number
- JPS6362567B2 JPS6362567B2 JP2729784A JP2729784A JPS6362567B2 JP S6362567 B2 JPS6362567 B2 JP S6362567B2 JP 2729784 A JP2729784 A JP 2729784A JP 2729784 A JP2729784 A JP 2729784A JP S6362567 B2 JPS6362567 B2 JP S6362567B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- toughness
- steel
- less
- strength
- 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 44
- 239000010959 steel Substances 0.000 claims description 44
- 238000005096 rolling process Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000005496 tempering Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 230000001186 cumulative effect Effects 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910001566 austenite Inorganic materials 0.000 description 16
- 238000010791 quenching Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 7
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000006104 solid solution Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052720 vanadium Inorganic materials 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 238000009749 continuous casting 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
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000003643 water by type Substances 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
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 |
|---|---|---|---|
| JP2729784A JPS60174820A (ja) | 1984-02-17 | 1984-02-17 | 低温じん性及び大入熱溶接性が優れた調質高張力鋼の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2729784A JPS60174820A (ja) | 1984-02-17 | 1984-02-17 | 低温じん性及び大入熱溶接性が優れた調質高張力鋼の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60174820A JPS60174820A (ja) | 1985-09-09 |
| JPS6362567B2 true JPS6362567B2 (enrdf_load_stackoverflow) | 1988-12-02 |
Family
ID=12217151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2729784A Granted JPS60174820A (ja) | 1984-02-17 | 1984-02-17 | 低温じん性及び大入熱溶接性が優れた調質高張力鋼の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60174820A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63103021A (ja) * | 1986-10-20 | 1988-05-07 | Nippon Steel Corp | 低温靭性の優れた鋼板の製造法 |
| JPS63169325A (ja) * | 1986-12-29 | 1988-07-13 | Nippon Steel Corp | 低温靭性の優れた厚鋼板の製造方法 |
| FR2668169B1 (fr) * | 1990-10-18 | 1993-01-22 | Lorraine Laminage | Acier a soudabilite amelioree. |
-
1984
- 1984-02-17 JP JP2729784A patent/JPS60174820A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60174820A (ja) | 1985-09-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |