JPH0530884B2 - - Google Patents
Info
- Publication number
- JPH0530884B2 JPH0530884B2 JP62243890A JP24389087A JPH0530884B2 JP H0530884 B2 JPH0530884 B2 JP H0530884B2 JP 62243890 A JP62243890 A JP 62243890A JP 24389087 A JP24389087 A JP 24389087A JP H0530884 B2 JPH0530884 B2 JP H0530884B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- cooling
- hot water
- strength
- 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
- 238000001816 cooling Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 229910000859 α-Fe Inorganic materials 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 229910001562 pearlite Inorganic materials 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000009466 transformation Effects 0.000 claims description 6
- 229910001566 austenite Inorganic materials 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 238000010583 slow cooling Methods 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 22
- 238000010273 cold forging Methods 0.000 description 9
- 238000000137 annealing Methods 0.000 description 8
- 238000010791 quenching Methods 0.000 description 8
- 230000000171 quenching effect Effects 0.000 description 8
- 238000005496 tempering Methods 0.000 description 7
- 238000005482 strain hardening Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 238000005491 wire drawing Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24389087A JPS6487717A (en) | 1987-09-30 | 1987-09-30 | Production of high tensile bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24389087A JPS6487717A (en) | 1987-09-30 | 1987-09-30 | Production of high tensile bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6487717A JPS6487717A (en) | 1989-03-31 |
| JPH0530884B2 true JPH0530884B2 (fr) | 1993-05-11 |
Family
ID=17110514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24389087A Granted JPS6487717A (en) | 1987-09-30 | 1987-09-30 | Production of high tensile bolt |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6487717A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0735545B2 (ja) * | 1989-04-17 | 1995-04-19 | 新日本製鐵株式会社 | 高張力非調質ボルトの製造法 |
| US6109851A (en) * | 1999-01-13 | 2000-08-29 | Illinois Tool Works Inc. | Screws having selected heat treatment and hardening |
| DE102004022248B4 (de) * | 2004-05-04 | 2007-06-14 | Zf Friedrichshafen Ag | Verfahren zur Herstellung von Kugeln oder Kugelsegmenten, sowie danach hergestelltes Kugelelement für zweiteilige Kugelzapfen |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59145734A (ja) * | 1983-02-10 | 1984-08-21 | Nippon Steel Corp | 引張強さ７０ｋｇ／ｍｍ↑２以上の高張力ボルト製造法 |
| JPS59147738A (ja) * | 1983-02-14 | 1984-08-24 | Nippon Steel Corp | 引張強さ９０Ｋｇ／ｍｍ↑２以上の高張力ボルト製造法 |
| JPS60255957A (ja) * | 1984-05-31 | 1985-12-17 | Nissan Motor Co Ltd | 機械構造用部品の製造方法 |
| JPS61104024A (ja) * | 1984-10-25 | 1986-05-22 | Kobe Steel Ltd | 高強度高靭性線材の製造方法 |
| JPS6220820A (ja) * | 1985-07-20 | 1987-01-29 | Kobe Steel Ltd | 高強度高延性鋼帯の製造方法 |
| JPS62139818A (ja) * | 1985-12-13 | 1987-06-23 | Kobe Steel Ltd | 高強度高靭性線材の製造方法 |
-
1987
- 1987-09-30 JP JP24389087A patent/JPS6487717A/ja active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59145734A (ja) * | 1983-02-10 | 1984-08-21 | Nippon Steel Corp | 引張強さ７０ｋｇ／ｍｍ↑２以上の高張力ボルト製造法 |
| JPS59147738A (ja) * | 1983-02-14 | 1984-08-24 | Nippon Steel Corp | 引張強さ９０Ｋｇ／ｍｍ↑２以上の高張力ボルト製造法 |
| JPS60255957A (ja) * | 1984-05-31 | 1985-12-17 | Nissan Motor Co Ltd | 機械構造用部品の製造方法 |
| JPS61104024A (ja) * | 1984-10-25 | 1986-05-22 | Kobe Steel Ltd | 高強度高靭性線材の製造方法 |
| JPS6220820A (ja) * | 1985-07-20 | 1987-01-29 | Kobe Steel Ltd | 高強度高延性鋼帯の製造方法 |
| JPS62139818A (ja) * | 1985-12-13 | 1987-06-23 | Kobe Steel Ltd | 高強度高靭性線材の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6487717A (en) | 1989-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080511 Year of fee payment: 15 |