JPH0448865B2 - - Google Patents
Info
- Publication number
- JPH0448865B2 JPH0448865B2 JP15255585A JP15255585A JPH0448865B2 JP H0448865 B2 JPH0448865 B2 JP H0448865B2 JP 15255585 A JP15255585 A JP 15255585A JP 15255585 A JP15255585 A JP 15255585A JP H0448865 B2 JPH0448865 B2 JP H0448865B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- sol
- hot rolling
- defects
- steel
- 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
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000005098 hot rolling Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 238000005336 cracking Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 230000007547 defect Effects 0.000 description 23
- 230000007797 corrosion Effects 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910001566 austenite Inorganic materials 0.000 description 7
- 238000009749 continuous casting Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000007665 sagging Methods 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
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 |
|---|---|---|---|
| JP15255585A JPS6213556A (ja) | 1985-07-12 | 1985-07-12 | 熱間圧延で表面割れの少ないステンレス合金鋼およびそのスラブ加熱方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15255585A JPS6213556A (ja) | 1985-07-12 | 1985-07-12 | 熱間圧延で表面割れの少ないステンレス合金鋼およびそのスラブ加熱方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6213556A JPS6213556A (ja) | 1987-01-22 |
| JPH0448865B2 true JPH0448865B2 (enrdf_load_stackoverflow) | 1992-08-07 |
Family
ID=15543026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15255585A Granted JPS6213556A (ja) | 1985-07-12 | 1985-07-12 | 熱間圧延で表面割れの少ないステンレス合金鋼およびそのスラブ加熱方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6213556A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990053868A (ko) * | 1997-12-24 | 1999-07-15 | 이구택 | 오스테나이트계 스테인레스강의 표면결함 저감을 위한 열간압연방법 |
| KR100435447B1 (ko) * | 1998-12-08 | 2004-09-04 | 주식회사 포스코 | 열간직송압연을통한오스테나이트계스테인레스열연강판의제조방법 |
| JP6227664B2 (ja) * | 2014-05-21 | 2017-11-08 | Ｊｆｅスチール株式会社 | 油井用高強度ステンレス継目無鋼管およびその製造方法 |
-
1985
- 1985-07-12 JP JP15255585A patent/JPS6213556A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6213556A (ja) | 1987-01-22 |
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