JPH0140091B2 - - Google Patents
Info
- Publication number
- JPH0140091B2 JPH0140091B2 JP57198439A JP19843982A JPH0140091B2 JP H0140091 B2 JPH0140091 B2 JP H0140091B2 JP 57198439 A JP57198439 A JP 57198439A JP 19843982 A JP19843982 A JP 19843982A JP H0140091 B2 JPH0140091 B2 JP H0140091B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- delayed fracture
- fracture resistance
- temperature
- 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 73
- 239000010959 steel Substances 0.000 claims description 73
- 230000003111 delayed effect Effects 0.000 claims description 31
- 238000005496 tempering Methods 0.000 claims description 25
- 238000010791 quenching Methods 0.000 claims description 16
- 230000000171 quenching effect Effects 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 12
- 238000005098 hot rolling Methods 0.000 claims description 11
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 238000005204 segregation Methods 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000712 Boron steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001240 Maraging steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral 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)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19843982A JPS5989716A (ja) | 1982-11-12 | 1982-11-12 | 耐遅れ破壊性の優れた強靭鋼の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19843982A JPS5989716A (ja) | 1982-11-12 | 1982-11-12 | 耐遅れ破壊性の優れた強靭鋼の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5989716A JPS5989716A (ja) | 1984-05-24 |
| JPH0140091B2 true JPH0140091B2 (es) | 1989-08-25 |
Family
ID=16391096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19843982A Granted JPS5989716A (ja) | 1982-11-12 | 1982-11-12 | 耐遅れ破壊性の優れた強靭鋼の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5989716A (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2578449B2 (ja) * | 1987-12-04 | 1997-02-05 | 川崎製鉄株式会社 | 耐遅れ割れ性の優れた直接焼入れ型高強度鋼の製造方法 |
| JP5726604B2 (ja) * | 2010-06-11 | 2015-06-03 | 株式会社神戸製鋼所 | 高強度ボルト用鋼 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5395819A (en) * | 1977-02-03 | 1978-08-22 | Nippon Steel Corp | High tensile pc steel wire with uniformly hardened structure and manufacture thereof |
| JPS556102A (en) * | 1978-06-26 | 1980-01-17 | Mo I Himichiesukogo Mashinosut | Contact device for heat exchanging and matter exchanging apparatus |
| JPS5576020A (en) * | 1978-11-30 | 1980-06-07 | Sumitomo Metal Ind Ltd | Production of steel plate stable in strength and toughness by direct hardening and tempering |
| JPS5579856A (en) * | 1978-12-11 | 1980-06-16 | Mitsubishi Heavy Ind Ltd | High toughness, wear resistant steel |
| JPS55131126A (en) * | 1979-03-30 | 1980-10-11 | Sumitomo Metal Ind Ltd | Production of modified by low alloy containing boron high tensile steel plate |
| JPS5633459A (en) * | 1979-08-24 | 1981-04-03 | Kobe Steel Ltd | Al or al alloy annealing method |
-
1982
- 1982-11-12 JP JP19843982A patent/JPS5989716A/ja active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5395819A (en) * | 1977-02-03 | 1978-08-22 | Nippon Steel Corp | High tensile pc steel wire with uniformly hardened structure and manufacture thereof |
| JPS556102A (en) * | 1978-06-26 | 1980-01-17 | Mo I Himichiesukogo Mashinosut | Contact device for heat exchanging and matter exchanging apparatus |
| JPS5576020A (en) * | 1978-11-30 | 1980-06-07 | Sumitomo Metal Ind Ltd | Production of steel plate stable in strength and toughness by direct hardening and tempering |
| JPS5579856A (en) * | 1978-12-11 | 1980-06-16 | Mitsubishi Heavy Ind Ltd | High toughness, wear resistant steel |
| JPS55131126A (en) * | 1979-03-30 | 1980-10-11 | Sumitomo Metal Ind Ltd | Production of modified by low alloy containing boron high tensile steel plate |
| JPS5633459A (en) * | 1979-08-24 | 1981-04-03 | Kobe Steel Ltd | Al or al alloy annealing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5989716A (ja) | 1984-05-24 |
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