CN102732780A - Hot galvanized plate used for refrigerator outer plate, and production method thereof - Google Patents
Hot galvanized plate used for refrigerator outer plate, and production method thereof Download PDFInfo
- Publication number
- CN102732780A CN102732780A CN2012102058296A CN201210205829A CN102732780A CN 102732780 A CN102732780 A CN 102732780A CN 2012102058296 A CN2012102058296 A CN 2012102058296A CN 201210205829 A CN201210205829 A CN 201210205829A CN 102732780 A CN102732780 A CN 102732780A
- Authority
- CN
- China
- Prior art keywords
- hot
- slab
- plate
- working method
- coil
- 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.)
- Granted
Links
Landscapes
- Heat Treatment Of Sheet Steel (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses a hot galvanized plate used for a refrigerator outer plate, and a production method thereof. The hot galvanized plate comprises the chemical components of, by mass: 0.020-0.10% of C, no more than 0.04% of Si, 0.20-0.50% of Mn, no more than 0.015% of P, no more than 0.015% of S, 0.020-0.060% of Alt, no more than 0.0040% of N, and balance of Fe and trace elements. The invention also discloses a method used for producing the hot galvanized plate used for the refrigerator outer plate. The hot galvanized plate provided by the invention has properties of high strength and low aging, and can satisfy performance requirements of steel used in refrigerator outer plate. The refrigerator outer plate hot galvanized plate production method provided by the invention adopts processes such as reasonable chemical component designing, hot rolling, cold rolling, and hot galvanizing, such that high-strength and low-aging hot galvanized steel plate is obtained, and refrigerator outer plate performance requirements of high strength and low aging can be satisfied.
Description
Technical field
The invention belongs to technical field of steel rolling, be specifically related to a kind of refrigerator outside plate with heat zinc coating plate and working method thereof.
Background technology
Household electrical appliances with heat zinc coating plate as one of elaboration sheet material of cold rolling kind; Has vast market prospect; Particularly China is as household electrical appliances production and consumption big country, and household electric appliances are the highest priorities that each big steel enterprise competitively dabbles always, especially under China's household electrical appliances are gone to the countryside the overall background of policy.Exploitation also is an important symbol of weighing iron and steel enterprise's cold-rolled products quality with producing high-quality tame electroplax.
The refrigerator outside plate is a sheet material the strictest in the tame electroplax to the requirement of steel always, and it not only is embodied in the high request to surface quality, is also embodied in its high request to the intensity and the ageing resistance ability of steel plate.Colour coated plate is the development trend of tame electroplax outside plate, and the refrigerator outside plate is after color coating, to supply the refrigerator outside plate with heat zinc coating plate with the steel plate major part.We know that color coating just is equivalent to artificial aging, so it requires to have low aging performance to steel plate.In addition, because the refrigerator inner panel needs the high-pressure injection moulding lagging material, HS helps preventing the pit that collides with simultaneously, so the refrigerator outside plate is had relatively high expectations to armor plate strength.Therefore how the heat zinc coating plate that economic, stable, production refrigerator outside plate in batches uses the low timeliness of HS each big steel enterprise always captures this commanding elevation of tame electroplax concentrate on studies " trump card ".
Summary of the invention
The objective of the invention is to, provide a kind of refrigerator outside plate with heat zinc coating plate and working method thereof with HS, low aging performance.
According to an aspect of the present invention, a kind of refrigerator outside plate that provides is used heat zinc coating plate, and its chemical ingredients mass percent is:
C:0.020～0.10wt%, Si≤0.04wt%, Mn:0.20～0.50wt%, P≤0.015wt%, S≤0.015wt%, Alt:0.020～0.060wt%, N≤0.0040wt%, surplus is Fe and trace element.
According to another aspect of the present invention, a kind of method of producing above-mentioned refrigerator outside plate with heat zinc coating plate that provides comprises: with molten steel through refining after continuous casting obtain the slab of mentioned component;
Said slab is heated, obtain hot-rolled sheet through roughing, finish rolling again, then said hot-rolled sheet is carried out the laminar flow cooling, coil into hot rolled coil after the cooling;
With said hot rolled coil through the chill volume of cold rolling acquisition;
Behind said chill volume process continuous annealing processing acquisition band steel,, coil into finished product then again through pot galvanize, polishing.
Further, said with molten steel through refining after continuous casting obtain slab and be:
After molten iron process KR desulfurization processing, conventional converter steelmaking, CAS/RH refining treatment, carry out the slab that continuous casting obtains high cleanliness again.
Further, said slab is heated, obtains hot-rolled sheet through roughing, finish rolling again, then hot-rolled sheet is carried out the laminar flow cooling, coil into hot rolled coil after the cooling and be:
Said slab is heated, and Heating temperature is 1200～1350 ℃, and be 2～5 hours heat-up time;
Said slab is obtained needed width of plate slab, obtains intermediate blank through two roller roughing, four roller roughing again through the Fixed width pressing machine;
Said intermediate blank is obtained hot-rolled sheet through finish rolling;
Between roughing and finish rolling, launch stay-warm case, guarantee the homogeneity of intermediate blank temperature;
Said hot-rolled sheet is coiled into hot rolled coil after the laminar flow cooling.
Further, the finishing temperature of said hot-rolled sheet is that 890～910 ℃, coiling temperature are 500 ~ 700 ℃;
The quick refrigerative mode of leading portion is adopted in said laminar flow cooling.
Further, saidly through the chill volume of cold rolling acquisition be with hot rolled coil:
With hot rolled coil through the straightening scale breading;
To remove its scale on surface through continuous turbulent pickling through the hot rolled coil behind the straightening scale breading, carry out the cold rolling chill volume of processing through tandem mills then.
Further, said hot rolled coil carries out when cold rolling, and cold rolling draft is 65 ~ 85%.
Further, said said chill volume is handled through continuous annealing obtains the band steel, again through pot galvanize, polishing, coils into finished product then and is:
With the said chill Continuous Hot Dip Galvanizing ingress uncoiling crop material loading that twists in, remove its surface and oil contaminant through cleaning the section cleaning and removing then;
Chill volume after the said cleaning is carried out anneal through vertical continuous annealing furnace obtain the band steel;
Behind the coating that acquisition behind the zinc pan gas cutter needs, process polishing machine carries out polishing again, straightening gets into the passivation unit afterwards and carries out surface passivation, batches then to be finished product with said band steel.
Further, the heating zone temperature is 690 ~ 760 ℃ in the said hot galvanizing process.
Further, said polishing machine polishing unit elongation is controlled at 0.5 ~ 1.5% according to the belt steel thickness specifications vary.
A kind of refrigerator outside plate provided by the invention is used heat zinc coating plate, has the performance of the low timeliness of HS, satisfies the performance requriements of refrigerator outside plate with steel.A kind of refrigerator outside plate provided by the invention is with the working method of heat zinc coating plate; For satisfying the performance requriements of refrigerator outside plate, obtain the hot-dip galvanizing sheet steel of the low timeliness of HS through chemical ingredients reasonable in design, hot rolling, cold rolling and hot dip galvanizing process system with the low timeliness of steel HS.
Embodiment
The present invention provides a kind of refrigerator outside plate of embodiment to use heat zinc coating plate; For satisfying the performance requriements of refrigerator outside plate, obtain the hot-dip galvanizing sheet steel of the low timeliness of HS through chemical ingredients reasonable in design, hot rolling, cold rolling and hot dip galvanizing process system with the low timeliness of steel HS.
From cost consideration, improving C content is the most effectual way that improves armor plate strength, but this steel grade need hang down timeliness, and C content again can not be too high, and this is a pair of contradiction point.Therefore the composition design concept is suitably to improve C content, does not add alloying constituent to reduce composition, through rolling and hot dip galvanizing process system reasonable in design to obtain the high-intensity low timeliness that has simultaneously.Through many kinds of tests show adopt this composition system cooperate this rolling technology can realize economy, in batches, stable production refrigerator outside plate is with the heat zinc coating plate of the low timeliness of HS.This refrigerator outside plate uses the chemical ingredients mass percent of heat zinc coating plate to be: C:0.020～0.10wt%, Si≤0.04wt%, Mn:0.20～0.50wt%, P≤0.015wt%, S≤0.015wt%, Alt:0.020～0.060wt%, N≤0.0040wt%, surplus is Fe and trace element.
The embodiment of the invention also provides a kind of this refrigerator outside plate of producing to comprise with the method for heat zinc coating plate:
Step S1: with molten steel through refining after continuous casting obtain the slab of the said composition of claim 1.Specifically be with after molten iron process KR desulfurization processing, conventional converter steelmaking, the CAS/RH refining treatment; Carry out the slab of continuous casting acquisition high cleanliness again; The chemical ingredients mass percent is: C:0.020～0.10wt%, Si≤0.04wt%, Mn:0.20～0.50wt%, P≤0.015wt%, S≤0.015wt%, Alt:0.020～0.060wt%, N≤0.0040wt%, surplus is Fe and trace element.。
Step S2: said slab is heated, obtain hot-rolled sheet through roughing, finish rolling again, then said hot-rolled sheet is carried out the laminar flow cooling, coil into hot rolled coil after the cooling;
Step S3: with said hot rolled coil through the chill volume of cold rolling acquisition; Specifically be through the straightening scale breading with hot rolled coil; To remove its scale on surface through continuous turbulent pickling through the hot rolled coil behind the straightening scale breading, then through the chill volume of the rolling acquisition of 5 frame tandem mills.Hot rolled coil carries out when cold rolling, and cold rolling draft is 65 ~ 85%.
Step S4: behind said chill volume process continuous annealing processing acquisition band steel,, coil into finished product then again through pot galvanize, polishing.
Wherein, step S2: slab is heated, obtain hot-rolled sheet through roughing, finish rolling again, then hot-rolled sheet is carried out the laminar flow cooling, coil into hot rolled coil after the cooling and comprise:
Step S11: said slab is heated, and Heating temperature is 1200～1350 ℃, and be 2～5 hours heat-up time;
Step S12: said slab is obtained needed width of plate slab, obtains intermediate blank through two roller roughing, four roller roughing again through the Fixed width pressing machine, and the roughing pattern adopts the 3+3 pattern, to improve its output;
Step S13: said intermediate blank is obtained hot-rolled sheet through finish rolling, and the finishing temperature of hot-rolled sheet is 890～910 ℃;
Step S14: between roughing and finish rolling, launch stay-warm case, guarantee the homogeneity of intermediate blank temperature;
Step S15: said hot-rolled sheet is coiled into hot rolled coil after the laminar flow cooling, the quick refrigerative mode of leading portion is adopted in the laminar flow cooling, and coiling temperature is 500 ~ 700 ℃.
Step S4: behind said chill volume process continuous annealing processing acquisition band steel,, coil into finished product then and comprise again through pot galvanize, polishing:
Step S41:, remove its surface and oil contaminant through cleaning the section cleaning and removing then with the said chill Continuous Hot Dip Galvanizing ingress uncoiling crop material loading that twists in;
Step S42: the chill volume after the said cleaning is carried out anneal through vertical continuous annealing furnace obtain the band steel;
Step S43: behind the coating that acquisition behind the zinc pan gas cutter needs, process polishing machine carries out polishing again, straightening gets into the passivation unit afterwards and carries out surface passivation, batches then to be finished product with said band steel.The heating zone temperature is 690 ~ 760 ℃ in the hot galvanizing process, and polishing machine polishing unit elongation is controlled at 0.5 ~ 1.5% according to the belt steel thickness specifications vary.
A kind of refrigerator outside plate provided by the invention is used heat zinc coating plate, has the performance of the low timeliness of HS, satisfies the performance requriements of refrigerator outside plate with steel.A kind of refrigerator outside plate provided by the invention is with the working method of heat zinc coating plate; For satisfying the performance requriements of refrigerator outside plate, obtain the hot-dip galvanizing sheet steel of the low timeliness of HS through chemical ingredients reasonable in design, hot rolling, cold rolling and hot dip galvanizing process system with the low timeliness of steel HS.
Below in conjunction with specific embodiment the present invention is further specified.
Embodiment one:
After molten iron process KR desulfurization processing, conventional converter steelmaking, CAS/RH refining processing, carry out continuous casting again; Its slab smelting component: C:0.030wt%, Si:0.01wt%, Mn:0.20wt%, P:0.005wt%, S:0.005wt%, Alt:0.030wt%, N:0.0028wt%, surplus is Fe basically.
With 1200 ℃ of slab heating, be 2 hours heat-up time, and finishing temperature is 890 ℃, and coiling temperature is 580 ℃; After getting into its scale on surface of shallow slot turbulent flow pickling removal behind the broken phosphorus of uncoiling straightening on the sour milling train group, get into 5 frame cold continuous rollings then, draft is 80%; At last in the uncoiling of Continuous Hot Dip Galvanizing ingress, clean the back and get into vertical continuous annealing furnace, the heating zone temperature is 750 ℃, fast cold section temperature is 470 ℃, passes through then to batch after smooth (smooth unit elongation is 0.8%) to be finished product.The refrigerator outside plate that obtains specification at last and be 0.45mm * 1250mm is used heat zinc coating plate.Its ys, tensile strength and elongation after fracture A80 index are respectively 295MPa, 365MPa and 33%; The yield point elongation length of its stress strain curve possesses good ageing resistance performance less than 1%.
Embodiment two:
After molten iron process KR desulfurization processing, conventional converter steelmaking, CAS/RH refining processing, carry out continuous casting again; Its slab smelting component: C:0.05wt%, Si:0.02wt%, Mn are 0.28wt%, P:0.010wt%, S:0.010wt%, Alt:0.040wt%, N:0.0020wt%, and surplus is Fe basically.
With 1260 ℃ of slab heating, be 3.5 hours heat-up time, and finishing temperature is 900 ℃, and coiling temperature is 640 ℃; After getting into its scale on surface of shallow slot turbulent flow pickling removal behind the broken phosphorus of uncoiling straightening on the sour milling train group, get into 5 frame cold continuous rollings then, draft is 80%; At last in the uncoiling of Continuous Hot Dip Galvanizing ingress, clean the back and get into vertical continuous annealing furnace, the heating zone temperature is 750 ℃, fast cold section temperature is 470 ℃, passes through then to batch after smooth (smooth unit elongation is 1.0%) to be finished product.The refrigerator outside plate that obtains specification at last and be 0.50mm * 1250mm is used heat zinc coating plate.Its ys, tensile strength and elongation after fracture A80 index are respectively 290MPa, 365MPa and 35%; The yield point elongation length of its stress strain curve possesses good ageing resistance performance less than 1%.
Embodiment three:
After molten iron process KR desulfurization processing, conventional converter steelmaking, CAS/RH refining processing, carry out continuous casting again; Its slab smelting component: C:0.10wt%, Si:0.02wt%, Mn:0.35wt%, P:0.015wt%, S:0.015wt%, Alt:0.060wt%, N:0.0036wt%, surplus is Fe basically.
With 1250 ℃ of slab heating, be 4 hours heat-up time, and finishing temperature is 910 ℃, and coiling temperature is 680 ℃; After getting into its scale on surface of shallow slot turbulent flow pickling removal behind the broken phosphorus of uncoiling straightening on the sour milling train group, get into 5 frame cold continuous rollings then, draft is 85%; At last in the uncoiling of Continuous Hot Dip Galvanizing ingress, clean the back and get into vertical continuous annealing furnace, the heating zone temperature is 750 ℃, fast cold section temperature is 470 ℃, passes through then to batch after smooth (smooth unit elongation is 0.9%) to be finished product.The refrigerator outside plate that obtains specification at last and be 0.45mm * 1250mm is used heat zinc coating plate.Its ys, tensile strength and elongation after fracture A80 index are respectively 280MPa, 355MPa and 36%; The yield point elongation length of its stress strain curve possesses good ageing resistance performance less than 1%.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a refrigerator outside plate is used heat zinc coating plate, it is characterized in that, its chemical ingredients mass percent is:
C:0.020～0.10wt%, Si≤0.04wt%, Mn:0.20～0.50wt%, P≤0.015wt%, S≤0.015wt%, Alt:0.020～0.060wt%, N≤0.0040wt%, surplus is Fe and trace element.
2. produce according to claim 1 that the refrigerator outside plate is characterized in that with the method for heat zinc coating plate for one kind, comprising:
With molten steel through refining after continuous casting obtain the slab of the said composition of claim 1;
Said slab is heated, obtain hot-rolled sheet through roughing, finish rolling again, then said hot-rolled sheet is carried out the laminar flow cooling, coil into hot rolled coil after the cooling;
With said hot rolled coil through the chill volume of cold rolling acquisition;
Behind said chill volume process continuous annealing processing acquisition band steel,, coil into finished product then again through pot galvanize, polishing.
3. working method as claimed in claim 2 is characterized in that, said with molten steel through refining after the continuous casting slab that obtains the said composition of claim 1 be:
After molten iron process KR desulfurization processing, conventional converter steelmaking, CAS/RH refining treatment, carry out the slab that continuous casting obtains the said composition of claim 1 again.
4. working method as claimed in claim 2 is characterized in that, said slab is heated, and obtains hot-rolled sheet through roughing, finish rolling again, then hot-rolled sheet is carried out the laminar flow cooling, coils into hot rolled coil after the cooling and is:
Said slab is heated, and Heating temperature is 1200～1350 ℃, and be 2～5 hours heat-up time;
Said slab is obtained needed width of plate slab, obtains intermediate blank through two roller roughing, four roller roughing again through the Fixed width pressing machine;
Said intermediate blank is obtained hot-rolled sheet through finish rolling;
Between roughing and finish rolling, launch stay-warm case, guarantee the homogeneity of intermediate blank temperature;
Said hot-rolled sheet is coiled into hot rolled coil after the laminar flow cooling.
5. working method as claimed in claim 4 is characterized in that:
The finishing temperature of said hot-rolled sheet is that 890～910 ℃, coiling temperature are 500 ~ 700 ℃;
The quick refrigerative mode of leading portion is adopted in said laminar flow cooling.
6. working method as claimed in claim 2 is characterized in that, saidly with hot rolled coil through the chill volume of cold rolling acquisition is:
With said hot rolled coil through the straightening scale breading;
Said hot rolled coil behind the straightening scale breading is removed its scale on surface through continuous turbulent pickling, carry out the cold rolling chill volume of processing through tandem mills then.
7. working method as claimed in claim 6 is characterized in that:
Said hot rolled coil carries out when cold rolling, and cold rolling draft is 65 ~ 85%.
8. working method as claimed in claim 2 is characterized in that, said said chill volume is handled through continuous annealing obtains the band steel, again through pot galvanize, polishing, coils into finished product then and is:
With the said chill Continuous Hot Dip Galvanizing ingress uncoiling crop material loading that twists in, remove its surface and oil contaminant through cleaning the section cleaning and removing then;
Chill volume after the said cleaning is carried out anneal through vertical continuous annealing furnace obtain the band steel;
Behind the coating that acquisition behind the zinc pan gas cutter needs, process polishing machine carries out polishing again, straightening gets into the passivation unit afterwards and carries out surface passivation, batches then to be finished product with said band steel.
9. working method as claimed in claim 8 is characterized in that:
The heating zone temperature is 690 ~ 760 ℃ in the said hot galvanizing process.
10. working method as claimed in claim 8 is characterized in that:
Said polishing machine polishing unit elongation is controlled at 0.5 ~ 1.5% according to the belt steel thickness specifications vary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210205829 CN102732780B (en) | 2012-06-18 | 2012-06-18 | Hot galvanized plate used for refrigerator outer plate, and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210205829 CN102732780B (en) | 2012-06-18 | 2012-06-18 | Hot galvanized plate used for refrigerator outer plate, and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102732780A true CN102732780A (en) | 2012-10-17 |
| CN102732780B CN102732780B (en) | 2013-12-25 |
Family
ID=46989074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210205829 Active CN102732780B (en) | 2012-06-18 | 2012-06-18 | Hot galvanized plate used for refrigerator outer plate, and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102732780B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215495A (en) * | 2013-04-18 | 2013-07-24 | 首钢总公司 | Hot-dipped galvanized plate for side surrounding plate of washing machine and production method of hot-dipped galvanized plate |
| CN103290319A (en) * | 2013-04-28 | 2013-09-11 | 首钢总公司 | Cold rolling plate for single layer Bundy tube and production method thereof |
| CN103498101A (en) * | 2013-10-22 | 2014-01-08 | 武汉钢铁(集团)公司 | Low-cost aging resistant household appliance color coated sheet and production method thereof |
| CN104164619A (en) * | 2014-08-29 | 2014-11-26 | 东北大学 | Short-process manufacturing method of yield-point-elongation-free low-carbon steel plate |
| CN104651712A (en) * | 2015-03-18 | 2015-05-27 | 唐山国丰钢铁有限公司 | CQ-grade hot-dip galvanization steel strip for anti-theft door plate and production process thereof |
| CN108480417A (en) * | 2018-02-01 | 2018-09-04 | 日照宝华新材料有限公司 | Continuous producing line, which is plated, based on thin slab continuous casting and rolling hot radical raw material and acid produces method of the 600g zinc layers without zinc flower hot-galvanized plate |
| CN108570602A (en) * | 2018-05-23 | 2018-09-25 | 山东钢铁集团日照有限公司 | A kind of zinc-plated building floor steel of high intensity and its manufacturing method |
| CN109604336A (en) * | 2018-10-24 | 2019-04-12 | 首钢京唐钢铁联合有限责任公司 | Method and device for preparing hot-dip galvanized sheet |
| CN110578042A (en) * | 2019-10-18 | 2019-12-17 | 山东钢铁集团日照有限公司 | Production method of steel for cold-hardening pipe |
| CN112322968A (en) * | 2020-09-28 | 2021-02-05 | 日照钢铁控股集团有限公司 | Thermal-base non-flower high-strength galvanized plate for photovoltaic support and preparation process thereof |
| CN115094343A (en) * | 2022-05-26 | 2022-09-23 | 安阳钢铁集团有限责任公司 | Ultrathin wide-width high-strength continuous hot-dip galvanized steel for household appliances and production method thereof |
| CN116426815A (en) * | 2022-01-04 | 2023-07-14 | 海信（山东）冰箱有限公司 | Hot-dip galvanized sheet, preparation method thereof, panel, side plate and refrigerator comprising hot-dip galvanized sheet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174683A (en) * | 2011-01-30 | 2011-09-07 | 首钢总公司 | Method for producing cold-rolling low-carbon aluminum killed steel with uniform through plate mechanical property |
| KR20120008033A (en) * | 2009-04-13 | 2012-01-25 | 제이에프이 스틸 가부시키가이샤 | Cold-rolled steel sheet having excellent slow-aging property and high curability in baking, and method for producing same |
| CN102416404A (en) * | 2011-09-21 | 2012-04-18 | 首钢总公司 | Method for producing cold-rolled steel strips |
| CN102534365A (en) * | 2011-12-28 | 2012-07-04 | 首钢总公司 | Aluminum killed steel hot dip galvanized sheet and production method thereof |
-
2012
- 2012-06-18 CN CN 201210205829 patent/CN102732780B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120008033A (en) * | 2009-04-13 | 2012-01-25 | 제이에프이 스틸 가부시키가이샤 | Cold-rolled steel sheet having excellent slow-aging property and high curability in baking, and method for producing same |
| CN102174683A (en) * | 2011-01-30 | 2011-09-07 | 首钢总公司 | Method for producing cold-rolling low-carbon aluminum killed steel with uniform through plate mechanical property |
| CN102416404A (en) * | 2011-09-21 | 2012-04-18 | 首钢总公司 | Method for producing cold-rolled steel strips |
| CN102534365A (en) * | 2011-12-28 | 2012-07-04 | 首钢总公司 | Aluminum killed steel hot dip galvanized sheet and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 崔健: "宝钢家电用钢的现状与发展", 《冶金丛刊》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215495A (en) * | 2013-04-18 | 2013-07-24 | 首钢总公司 | Hot-dipped galvanized plate for side surrounding plate of washing machine and production method of hot-dipped galvanized plate |
| CN103290319A (en) * | 2013-04-28 | 2013-09-11 | 首钢总公司 | Cold rolling plate for single layer Bundy tube and production method thereof |
| CN103498101A (en) * | 2013-10-22 | 2014-01-08 | 武汉钢铁(集团)公司 | Low-cost aging resistant household appliance color coated sheet and production method thereof |
| CN104164619A (en) * | 2014-08-29 | 2014-11-26 | 东北大学 | Short-process manufacturing method of yield-point-elongation-free low-carbon steel plate |
| CN104164619B (en) * | 2014-08-29 | 2016-05-04 | 东北大学 | A kind of short flow manufacturing method of the mild steel steel plate without yield point elongation |
| CN104651712A (en) * | 2015-03-18 | 2015-05-27 | 唐山国丰钢铁有限公司 | CQ-grade hot-dip galvanization steel strip for anti-theft door plate and production process thereof |
| CN108480417A (en) * | 2018-02-01 | 2018-09-04 | 日照宝华新材料有限公司 | Continuous producing line, which is plated, based on thin slab continuous casting and rolling hot radical raw material and acid produces method of the 600g zinc layers without zinc flower hot-galvanized plate |
| CN108480417B (en) * | 2018-02-01 | 2021-04-13 | 日照宝华新材料有限公司 | Method for producing 600g zinc layer non-spangle hot galvanized plate based on thin slab continuous casting and rolling hot base raw material and acid plating continuous production line |
| CN108570602A (en) * | 2018-05-23 | 2018-09-25 | 山东钢铁集团日照有限公司 | A kind of zinc-plated building floor steel of high intensity and its manufacturing method |
| CN109604336A (en) * | 2018-10-24 | 2019-04-12 | 首钢京唐钢铁联合有限责任公司 | Method and device for preparing hot-dip galvanized sheet |
| CN110578042A (en) * | 2019-10-18 | 2019-12-17 | 山东钢铁集团日照有限公司 | Production method of steel for cold-hardening pipe |
| CN110578042B (en) * | 2019-10-18 | 2021-03-30 | 山东钢铁集团日照有限公司 | Production method of steel for cold-hardening pipe |
| CN112322968A (en) * | 2020-09-28 | 2021-02-05 | 日照钢铁控股集团有限公司 | Thermal-base non-flower high-strength galvanized plate for photovoltaic support and preparation process thereof |
| CN116426815A (en) * | 2022-01-04 | 2023-07-14 | 海信（山东）冰箱有限公司 | Hot-dip galvanized sheet, preparation method thereof, panel, side plate and refrigerator comprising hot-dip galvanized sheet |
| CN115094343A (en) * | 2022-05-26 | 2022-09-23 | 安阳钢铁集团有限责任公司 | Ultrathin wide-width high-strength continuous hot-dip galvanized steel for household appliances and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102732780B (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102732780B (en) | Hot galvanized plate used for refrigerator outer plate, and production method thereof | |
| CN102174683B (en) | Method for producing cold-rolling low-carbon aluminum killed steel with uniform through plate mechanical property | |
| CN103510002B (en) | A kind of gap-free atom cold rolling hot dip galvanizing steel plate and production method thereof | |
| CN105838994B (en) | Chromium-plated plate, manufacturing method thereof and crown cap | |
| CN107208206A (en) | High-strength hot-dip zinc-coated steel sheet and its manufacture method | |
| CN102755992B (en) | A kind of flux-cored wire cold-rolled strip production method | |
| CN104520460A (en) | Cold-rolled steel sheet, method for producing same, and hot-stamp-molded article | |
| CN101906577A (en) | Non-oriented electrical steel produced by sheet continuous casting and rolling and method thereof | |
| CN105112776A (en) | Phosphorus-containing low-carbon cold-rolled hard tin-plated steel plate and production method thereof | |
| CN106636914B (en) | A kind of IF steel and preparation method thereof | |
| CN104805352A (en) | Production method of cold-rolled steel plate for electro-galvanization | |
| CN103695764A (en) | Cold-rolling hot-dipping steel plate used for liquid-crystal module backboard and production method of the steel plate | |
| CN107058881B (en) | Inexpensive cold-rolling galvanization steel band and preparation method thereof suitable for color coating | |
| CN106854729A (en) | A kind of phosphorous gap-free atom cold-rolling galvanization steel plate and its manufacture method | |
| CN104120337B (en) | A kind of high r value think gauge IF automobile steel and production method thereof | |
| CN106834914A (en) | Deep-draw level Ti IF cold-rolled steel sheets and preparation method thereof | |
| CN105002434B (en) | Vehicle clutch plate pairing steel sheet hot-strip and preparation method thereof | |
| CN102644023A (en) | Steel containing P and used for intermediate frequency (IF) automotive panel and production method thereof | |
| CN102433509A (en) | 780MPa-grade cold-rolled hot-dip galvanized dual-phase steel and preparation method thereof | |
| CN109321839A (en) | 240 MPa-grade bake-hardening steel and manufacturing method thereof | |
| CN109694990A (en) | Light transformation induced plasticity steel with good strong plasticity and production method thereof | |
| CN110093491A (en) | A kind of cold-rolled galvanized duplex steel and its manufacturing method | |
| CN103194670A (en) | Steel strip for household electric appliance panel and production method thereof | |
| CN106521311A (en) | Bell-annealing tin plate and preparation method thereof | |
| CN108677087B (en) | Low-alloy high-strength cold-rolled annealed steel plate and preparation method of alloy-coated steel plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee after: Shougang Group Co. Ltd. Address before: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee before: Capital Iron & Steel General Company |
|
| CP01 | Change in the name or title of a patent holder |