JPH0470385B2 - - Google Patents
Info
- Publication number
- JPH0470385B2 JPH0470385B2 JP61045819A JP4581986A JPH0470385B2 JP H0470385 B2 JPH0470385 B2 JP H0470385B2 JP 61045819 A JP61045819 A JP 61045819A JP 4581986 A JP4581986 A JP 4581986A JP H0470385 B2 JPH0470385 B2 JP H0470385B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- less
- toughness
- hot forging
- effect
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 73
- 239000010959 steel Substances 0.000 claims description 73
- 238000005242 forging Methods 0.000 claims description 42
- 229910052758 niobium Inorganic materials 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 229910052717 sulfur Inorganic materials 0.000 claims description 11
- 229910052726 zirconium Inorganic materials 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 229910052748 manganese Inorganic materials 0.000 claims description 10
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 229910052711 selenium Inorganic materials 0.000 claims description 8
- 229910052745 lead Inorganic materials 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052714 tellurium Inorganic materials 0.000 claims description 7
- 229910052797 bismuth Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 13
- 230000000694 effects Effects 0.000 description 35
- 229910001566 austenite Inorganic materials 0.000 description 16
- 238000007792 addition Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 14
- 229910001563 bainite Inorganic materials 0.000 description 13
- 238000001816 cooling Methods 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 229910052720 vanadium Inorganic materials 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000007670 refining Methods 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 150000003568 thioethers Chemical class 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4581986A JPS62202054A (ja) | 1986-03-03 | 1986-03-03 | 熱間鍛造用非調質鋼 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4581986A JPS62202054A (ja) | 1986-03-03 | 1986-03-03 | 熱間鍛造用非調質鋼 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62202054A JPS62202054A (ja) | 1987-09-05 |
| JPH0470385B2 true JPH0470385B2 (ru) | 1992-11-10 |
Family
ID=12729855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4581986A Granted JPS62202054A (ja) | 1986-03-03 | 1986-03-03 | 熱間鍛造用非調質鋼 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62202054A (ru) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998013529A1 (fr) * | 1996-09-27 | 1998-04-02 | Kawasaki Steel Corporation | Acier non traite a chaud, de haute resistance et haute tenacite, presentant une excellente usinabilite |
| WO2010010649A1 (ja) | 2008-07-23 | 2010-01-28 | Takahashi Yoshiaki | 摩擦抵抗低減船およびその運転方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2515173B2 (ja) * | 1990-09-28 | 1996-07-10 | 愛知製鋼株式会社 | 高強度、高靭性鍛造用非調質鋼 |
| JP3139876B2 (ja) * | 1993-04-05 | 2001-03-05 | 新日本製鐵株式会社 | 熱間鍛造用非調質鋼および非調質熱間鍛造品の製造方法ならびに非調質熱間鍛造品 |
| US5922145A (en) * | 1996-11-25 | 1999-07-13 | Sumitomo Metal Industries, Ltd. | Steel products excellent in machinability and machined steel parts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4988715A (ru) * | 1972-12-26 | 1974-08-24 | ||
| JPS5524932A (en) * | 1978-08-08 | 1980-02-22 | Nippon Steel Corp | Manufacture of bainite tough hardening steel |
| JPS5719324A (en) * | 1980-05-30 | 1982-02-01 | Nippon Steel Corp | Production of steel for machine structural use for forging having fine structure at high temperature |
| JPS57200541A (en) * | 1981-06-04 | 1982-12-08 | Nippon Steel Corp | Forged direct tempering steel excellent in tenacity |
-
1986
- 1986-03-03 JP JP4581986A patent/JPS62202054A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4988715A (ru) * | 1972-12-26 | 1974-08-24 | ||
| JPS5524932A (en) * | 1978-08-08 | 1980-02-22 | Nippon Steel Corp | Manufacture of bainite tough hardening steel |
| JPS5719324A (en) * | 1980-05-30 | 1982-02-01 | Nippon Steel Corp | Production of steel for machine structural use for forging having fine structure at high temperature |
| JPS57200541A (en) * | 1981-06-04 | 1982-12-08 | Nippon Steel Corp | Forged direct tempering steel excellent in tenacity |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998013529A1 (fr) * | 1996-09-27 | 1998-04-02 | Kawasaki Steel Corporation | Acier non traite a chaud, de haute resistance et haute tenacite, presentant une excellente usinabilite |
| WO2010010649A1 (ja) | 2008-07-23 | 2010-01-28 | Takahashi Yoshiaki | 摩擦抵抗低減船およびその運転方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62202054A (ja) | 1987-09-05 |
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