JPH0112815B2 - - Google Patents
Info
- Publication number
- JPH0112815B2 JPH0112815B2 JP55148644A JP14864480A JPH0112815B2 JP H0112815 B2 JPH0112815 B2 JP H0112815B2 JP 55148644 A JP55148644 A JP 55148644A JP 14864480 A JP14864480 A JP 14864480A JP H0112815 B2 JPH0112815 B2 JP H0112815B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- transformation point
- steel
- heated
- hot
- 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 23
- 239000010959 steel Substances 0.000 claims description 23
- 230000009466 transformation Effects 0.000 claims description 23
- 238000005096 rolling process Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000010583 slow cooling Methods 0.000 claims description 8
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- 239000010955 niobium Substances 0.000 claims description 7
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 8
- 239000012535 impurity Substances 0.000 claims 7
- 229910052742 iron Inorganic materials 0.000 claims 4
- 238000005098 hot rolling Methods 0.000 description 8
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- 238000000137 annealing Methods 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001562 pearlite Inorganic materials 0.000 description 4
- 229910001563 bainite Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- VNTLIPZTSJSULJ-UHFFFAOYSA-N chromium molybdenum Chemical compound [Cr].[Mo] VNTLIPZTSJSULJ-UHFFFAOYSA-N 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14864480A JPS5773123A (en) | 1980-10-22 | 1980-10-22 | Producton of low alloy steel of superior cold workability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14864480A JPS5773123A (en) | 1980-10-22 | 1980-10-22 | Producton of low alloy steel of superior cold workability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5773123A JPS5773123A (en) | 1982-05-07 |
| JPH0112815B2 true JPH0112815B2 (cs) | 1989-03-02 |
Family
ID=15457399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14864480A Granted JPS5773123A (en) | 1980-10-22 | 1980-10-22 | Producton of low alloy steel of superior cold workability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5773123A (cs) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59100216A (ja) * | 1982-11-29 | 1984-06-09 | Kawasaki Steel Corp | 冷鍛用および切削構造用合金鋼の製造方法 |
| JPS59215461A (ja) * | 1983-05-20 | 1984-12-05 | Daido Steel Co Ltd | 半熱間鍛造用鋼 |
| JPS60121220A (ja) * | 1983-12-02 | 1985-06-28 | Kobe Steel Ltd | 冷間鍛造性にすぐれた熱間圧延線材棒鋼の製造方法 |
| JPS61153230A (ja) * | 1984-12-26 | 1986-07-11 | Kawasaki Steel Corp | 迅速球状化が可能な低合金鋼線材の製造方法 |
| JPS61174322A (ja) * | 1985-01-28 | 1986-08-06 | Nippon Steel Corp | 機械構造用鋼の圧延材軟質化法 |
| JPS62188723A (ja) * | 1986-02-14 | 1987-08-18 | Nippon Steel Corp | 変形抵抗の小さい冷間加工用中炭素鋼材の製造方法 |
| TWI290177B (en) | 2001-08-24 | 2007-11-21 | Nippon Steel Corp | A steel sheet excellent in workability and method for producing the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143716A (en) * | 1978-04-28 | 1979-11-09 | Sumitomo Metal Ind Ltd | Manufacture of directly heat treated wire rod |
| JPS5565324A (en) * | 1978-11-07 | 1980-05-16 | Sumitomo Metal Ind Ltd | Manufacture of low alloy steel excellent in cold workability |
| JPS55107722A (en) * | 1979-02-14 | 1980-08-19 | Nippon Steel Corp | Slow cooling method of hot rolled wire material and apparatus thereof |
-
1980
- 1980-10-22 JP JP14864480A patent/JPS5773123A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143716A (en) * | 1978-04-28 | 1979-11-09 | Sumitomo Metal Ind Ltd | Manufacture of directly heat treated wire rod |
| JPS5565324A (en) * | 1978-11-07 | 1980-05-16 | Sumitomo Metal Ind Ltd | Manufacture of low alloy steel excellent in cold workability |
| JPS55107722A (en) * | 1979-02-14 | 1980-08-19 | Nippon Steel Corp | Slow cooling method of hot rolled wire material and apparatus thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5773123A (en) | 1982-05-07 |
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