JPH0447011B2 - - Google Patents
Info
- Publication number
- JPH0447011B2 JPH0447011B2 JP59074406A JP7440684A JPH0447011B2 JP H0447011 B2 JPH0447011 B2 JP H0447011B2 JP 59074406 A JP59074406 A JP 59074406A JP 7440684 A JP7440684 A JP 7440684A JP H0447011 B2 JPH0447011 B2 JP H0447011B2
- Authority
- JP
- Japan
- Prior art keywords
- annealing
- descaling
- aqueous solution
- steel strip
- cold
- 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
- 238000000137 annealing Methods 0.000 claims description 72
- 239000007864 aqueous solution Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 21
- 229910001220 stainless steel Inorganic materials 0.000 claims description 19
- 239000010935 stainless steel Substances 0.000 claims description 16
- 239000010960 cold rolled steel Substances 0.000 claims description 13
- 238000005238 degreasing Methods 0.000 claims description 9
- 238000005097 cold rolling Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 30
- 229910000831 Steel Inorganic materials 0.000 description 19
- 239000010959 steel Substances 0.000 description 19
- 230000015572 biosynthetic process Effects 0.000 description 14
- 238000012360 testing method Methods 0.000 description 12
- 239000011575 calcium Substances 0.000 description 11
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 9
- 238000005868 electrolysis reaction Methods 0.000 description 9
- 229910017604 nitric acid Inorganic materials 0.000 description 9
- 238000002203 pretreatment Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000013527 degreasing agent Substances 0.000 description 6
- 238000007654 immersion Methods 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000005237 degreasing agent Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 150000007522 mineralic acids Chemical class 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001447 alkali salts Chemical class 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000010731 rolling oil Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229960002050 hydrofluoric acid Drugs 0.000 description 2
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- POWFTOSLLWLEBN-UHFFFAOYSA-N tetrasodium;silicate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])[O-] POWFTOSLLWLEBN-UHFFFAOYSA-N 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
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 Strip Materials And Filament Materials (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7440684A JPS60218429A (ja) | 1984-04-13 | 1984-04-13 | ステンレス冷延鋼帯の焼鈍前処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7440684A JPS60218429A (ja) | 1984-04-13 | 1984-04-13 | ステンレス冷延鋼帯の焼鈍前処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60218429A JPS60218429A (ja) | 1985-11-01 |
| JPH0447011B2 true JPH0447011B2 (zh) | 1992-07-31 |
Family
ID=13546272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7440684A Granted JPS60218429A (ja) | 1984-04-13 | 1984-04-13 | ステンレス冷延鋼帯の焼鈍前処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60218429A (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE520526C2 (sv) * | 2000-07-07 | 2003-07-22 | Sandvik Ab | Ytmodifierat rostfritt stål |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119329A (en) * | 1975-04-11 | 1976-10-19 | Nippon Steel Corp | Method of descaling stainless steel |
| JPS5452635A (en) * | 1977-10-05 | 1979-04-25 | Nippon Steel Corp | Processing method for scalped stainless steel wire rod to prevent surface roughening |
-
1984
- 1984-04-13 JP JP7440684A patent/JPS60218429A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119329A (en) * | 1975-04-11 | 1976-10-19 | Nippon Steel Corp | Method of descaling stainless steel |
| JPS5452635A (en) * | 1977-10-05 | 1979-04-25 | Nippon Steel Corp | Processing method for scalped stainless steel wire rod to prevent surface roughening |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60218429A (ja) | 1985-11-01 |
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