CN106756557A - A kind of high-strength tensile type cold-strip steel and preparation method thereof - Google Patents
A kind of high-strength tensile type cold-strip steel and preparation method thereof Download PDFInfo
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- CN106756557A CN106756557A CN201611214644.6A CN201611214644A CN106756557A CN 106756557 A CN106756557 A CN 106756557A CN 201611214644 A CN201611214644 A CN 201611214644A CN 106756557 A CN106756557 A CN 106756557A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 38
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- 239000001569 carbon dioxide Substances 0.000 claims description 19
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 19
- 238000005554 pickling Methods 0.000 claims description 18
- 238000005868 electrolysis reaction Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 15
- 238000000137 annealing Methods 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 238000002161 passivation Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 5
- 238000005098 hot rolling Methods 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 235000013619 trace mineral Nutrition 0.000 abstract description 3
- 239000011573 trace mineral Substances 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
The present invention relates to a kind of high-strength tensile type cold-strip steel, it is characterised in that：Its each component for including following parts by weight, C0.2%~0.8%, Si 0.1%~0.15%, Cr10%~15%, Mn1.2%~1.5%, Mo0.8%~1.0%, W0.5%~1.0%, Zn1.25%~1.5%, Ti0.3%~1.5%, Zr0.8%~1.2%, Sb0.8%~1.0%, Ni8%~12%, Cu1%~2%, remaining is Fe.The present invention adds various trace elements in cold-strip steel formula, the structural strength and hardness performance of cold-strip steel after can strengthening being molded.
Description
Technical field
The present invention relates to stainless steel making field, and in particular to a kind of high-strength tensile type cold-strip steel and its preparation side
Method.
Technical background
Stainless-steel cold-rolling strip coordinates various trace elements to increase its metallicity, draftability based on ferro element
Can, according to the element of different ratio, cold-strip steel can produce different performances.
Simultaneously in existing process for producing cold rolled strip steel, the guarantor of inert gas is typically in during each of annealing
Under shield state, when annealing temperature is relatively low, inert gas is still used, very big waste is now caused, in cold rolling strap
In steel passivation technology, typically carried out by the way that cold-strip steel is placed into passivating dip, passivation rate is low, has had a strong impact on life
Produce speed.
In view of above-mentioned defect, the design people is actively subject to research and innovation, to found a kind of novel high-strength tension
Type cold-strip steel and preparation method thereof, makes it have more the value in industry.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of high-strength tensile type cold-strip steel and its preparation
Method.
Technical scheme is as follows：
A kind of high-strength tensile type cold-strip steel, it is characterised in that：Its each component for including following parts by weight,
Further, the preparation method of the high-strength tensile type cold-strip steel is as follows,
A, refining：After above-mentioned each component is refined, to raise and carry out dephosphorization by dephosphorization apparatus after causing slab；
B, hot rolling：Slab after dephosphorization is heated by Coil Box at 1000 DEG C~1300 DEG C, by mm finishing mill unit
Repeatedly it is pressed into strip；
C, annealing：Strip is annealed, annealing is divided into three sections, and first paragraph temperature is 800 DEG C~1000 DEG C, in nitrogen
Under guard mode, second segment temperature is 500 DEG C~800 DEG C, and under nitrogen guard mode, the 3rd section of temperature is 300 DEG C~500
DEG C, cooled down under air condition；
D, electrolysis：Strip after cooling is placed into the electrolytic cleaning tank equipped with alkaline electrolyte and is electrolysed, be used for
Remove the residual grease of belt steel surface；
E, pickling：Pickling is carried out after strip after electrolysis is rinsed, acid is hydrochloric acid, and wherein the concentration of hydrochloric acid is mass fraction
35% hydrochloric acid, pickling time is 30~45 seconds.
F, passivation：Strip after pickling is passivated in supercritical carbon dioxide fluid, passivator is mixed into super
By being passivated in supercritical carbon dioxide treatment system in critical carbon dioxide fluid.
Further, in the step f, passivation time is 1min~2min.
Further, in the step d, the alkaline electrolyte is sodium hydroxide solution, wherein sodium hydroxide solution
Concentration is the solution of mass fraction 15%.
Further, in the step d, the current density of electrolysis is 30~40A/dm3。
By such scheme, the present invention at least has advantages below：
(1) present invention adds various trace elements in cold-strip steel formula, cold-strip steel after can strengthening being molded
Structural strength and hardness performance；
(2) present invention is passivated in supercritical carbon dioxide fluid to strip, due to supercritical carbon dioxide fluid
Diffusion velocity more than fluid block, with preferable mobility and transfer performance, the passivation of belt steel surface can be rapidly completed；
(3) present invention, by three sections of annealing way, nitrogen is used under first paragraph and the second segment condition of high temperature in annealing process
Gas is protected, and the 3rd section of temperature reduces cost compared with being protected by air under low state.
Specific embodiment
With reference to embodiment, specific embodiment of the invention is described in further detail.Following examples are used for
The present invention is illustrated, but is not limited to the scope of the present invention.
A kind of high-strength tensile type cold-strip steel described in a preferred embodiment of the present invention, it includes following parts by weight
Each component,
The preparation method of high-strength tensile type cold-strip steel of the present invention is as follows,
A, refining：After above-mentioned each component is refined, to raise and carry out dephosphorization by dephosphorization apparatus after causing slab；
B, hot rolling：Slab after dephosphorization is heated by Coil Box at 1000 DEG C~1300 DEG C, by mm finishing mill unit
Repeatedly it is pressed into strip；
C, annealing：Strip is annealed, annealing is divided into three sections, and first paragraph temperature is 800 DEG C~1000 DEG C, in nitrogen
Under guard mode, second segment temperature is 500 DEG C~800 DEG C, and under nitrogen guard mode, the 3rd section of temperature is 300 DEG C~500
DEG C, cooled down under air condition；
D, electrolysis：Strip after cooling is placed into the electrolytic cleaning tank equipped with alkaline electrolyte and is electrolysed, be used for
Remove the residual grease of belt steel surface；
E, pickling：Pickling is carried out after strip after electrolysis is rinsed, acid is hydrochloric acid, and wherein the concentration of hydrochloric acid is mass fraction
35% hydrochloric acid, pickling time is 30~45 seconds.
F, passivation：Strip after pickling is passivated in supercritical carbon dioxide fluid, passivator is mixed into super
By being passivated in supercritical carbon dioxide treatment system in critical carbon dioxide fluid.
In-step the f, passivation time is 1min~2min.
In-step the d, the alkaline electrolyte is sodium hydroxide solution, and wherein the concentration of sodium hydroxide solution is matter
Measure the solution of fraction 15%.
In-step the d, the current density of electrolysis is 30~40A/dm3.Operation principle of the invention is as follows：
Embodiment 1
By 0.2% C, 0.1% Si, 10% Cr, 1.2% Mn, 0.8% Mo, 0.5% W, 1.25%
Refined after the Fe mixing of Zn, 0.3% Ti, 0.8% Zr, 0.8% Sb, 8% Ni, 1% Cu, 75.05%, refined
Dephosphorization is carried out by dephosphorizing machine after being made slab；Slab after dephosphorization is heated by Coil Box at 1000 DEG C, by finish rolling
Unit is repeatedly pressed into strip；Strip is annealed, annealing is divided into three sections, and first paragraph temperature is 800 DEG C, in nitrogen
Under guard mode, second segment temperature is 500 DEG C, and under nitrogen guard mode, the 3rd section of temperature is 300 DEG C, in air shape
Cooled down under state；Strip after cooling is placed into the electrolytic cleaning tank of the sodium hydroxide solution equipped with mass fraction 15% to be carried out
Electrolysis, the current density of electrolysis is 30~40A/dm3, the residual grease for removing belt steel surface；By the strip punching after electrolysis
Pickling is carried out after washing, acid is hydrochloric acid, wherein the concentration of hydrochloric acid is the hydrochloric acid of mass fraction 35%, pickling time is 30 seconds；By acid
Strip after washing is passivated in supercritical carbon dioxide fluid, passivator is mixed into supercritical carbon dioxide fluid and is led to
Cross and be passivated in supercritical carbon dioxide treatment system.
Implement 2
By 0.5% C, 0.12% Si, 12% Cr, 1.4% Mn, 0.9% Mo, 0.8% W, 1.35%
Refined after the Fe mixing of Zn, 0.8% Ti, 1.0% Zr, 0.9% Sb, 10% Ni, 1.5% Cu, 68.73%
System, dephosphorization is carried out after refining into slab by dephosphorizing machine；Slab after dephosphorization is heated by Coil Box at 1200 DEG C, is passed through
Mm finishing mill unit is repeatedly pressed into strip；Strip is annealed, annealing is divided into three sections, and first paragraph temperature is 900 DEG C, is in
Under nitrogen guard mode, second segment temperature is 600 DEG C, and under nitrogen guard mode, the 3rd section of temperature is 400 DEG C, in sky
Cooled down under gaseity；Strip after cooling is placed into the electrolytic cleaning tank of the sodium hydroxide solution equipped with mass fraction 15%
It is electrolysed, the current density of electrolysis is 35A/dm3, the residual grease for removing belt steel surface；By the strip punching after electrolysis
Pickling is carried out after washing, acid is hydrochloric acid, wherein the concentration of hydrochloric acid is the hydrochloric acid of mass fraction 35%, pickling time is 40 seconds；By acid
Strip after washing is passivated in supercritical carbon dioxide fluid, passivator is mixed into supercritical carbon dioxide fluid and is led to
Cross and be passivated in supercritical carbon dioxide treatment system.
Embodiment 3
By 0.8% C, 0.15% Si, 15% Cr, 1.5% Mn, 1.0% Mo, 1.0% W, 1.5%
Refined after the Fe mixing of Zn, 1.5% Ti, 1.2% Zr, 1.0% Sb, 12% Ni, 2% Cu, 61.35%,
Dephosphorization is carried out by dephosphorizing machine after refining into slab；Slab after dephosphorization is heated by Coil Box at 1300 DEG C, by essence
Milling train group is repeatedly pressed into strip；Strip is annealed, annealing is divided into three sections, and first paragraph temperature is 1000 DEG C, is in
Under nitrogen guard mode, second segment temperature is 800 DEG C, and under nitrogen guard mode, the 3rd section of temperature is 500 DEG C, in sky
Cooled down under gaseity；Strip after cooling is placed into the electrolytic cleaning tank of the sodium hydroxide solution equipped with mass fraction 15%
It is electrolysed, the current density of electrolysis is 40A/dm3, the residual grease for removing belt steel surface；By the strip punching after electrolysis
Pickling is carried out after washing, acid is hydrochloric acid, wherein the concentration of hydrochloric acid is the hydrochloric acid of mass fraction 35%, pickling time is 45 seconds；By acid
Strip after washing is passivated in supercritical carbon dioxide fluid, passivator is mixed into supercritical carbon dioxide fluid and is led to
Cross and be passivated in supercritical carbon dioxide treatment system.
Various embodiments of the present invention strip property index is as follows
| Project | Yield strength (MPa) | Tensile strength (MPa) | Elongation percentage (%) |
| Embodiment 1 | 322 | 480 | 26.8 |
| Embodiment 2 | 334 | 476 | 25.6 |
| Embodiment 3 | 325 | 488 | 26.4 |
The above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, on the premise of the technology of the present invention principle is not departed from, can also make it is some improvement and
Modification, these are improved and modification also should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of high-strength tensile type cold-strip steel, it is characterised in that：Its each component for including following parts by weight,
2. a kind of high-strength tensile type cold-strip steel according to claim 1, it is characterised in that：The high-strength tensile type
The preparation method of cold-strip steel is as follows,
A, refining：After above-mentioned each component is refined, to raise and carry out dephosphorization by dephosphorization apparatus after causing slab；
B, hot rolling：Slab after dephosphorization is heated by Coil Box at 1000 DEG C~1300 DEG C, is carried out by mm finishing mill unit
Repeatedly it is pressed into strip；
C, annealing：Strip is annealed, annealing is divided into three sections, and first paragraph temperature is 800 DEG C~1000 DEG C, in nitrogen protection
Under state, second segment temperature is 500 DEG C~800 DEG C, and under nitrogen guard mode, the 3rd section of temperature is 300 DEG C~500 DEG C,
Cooled down under air condition；
D, electrolysis：Strip after cooling is placed into the electrolytic cleaning tank equipped with alkaline electrolyte and is electrolysed, for removing
The residual grease of belt steel surface；
E, pickling：Pickling is carried out after strip after electrolysis is rinsed, acid is hydrochloric acid, and wherein the concentration of hydrochloric acid is mass fraction 35%
Hydrochloric acid, pickling time be 30~45 seconds.
F, passivation：Strip after pickling is passivated in supercritical carbon dioxide fluid, passivator is mixed into overcritical
By being passivated in supercritical carbon dioxide treatment system in CO 2 fluid.
3. a kind of high-strength tensile type cold-strip steel according to claim 2, it is characterised in that：In the step f, passivation
Time is 1min~2min.
4. a kind of high-strength tensile type cold-strip steel according to claim 2, it is characterised in that：It is described in the step d
Alkaline electrolyte is sodium hydroxide solution, and wherein the concentration of sodium hydroxide solution is the solution of mass fraction 15%.
5. a kind of high-strength tensile type cold-strip steel according to claim 2, it is characterised in that：In the step d, electrolysis
Current density be 30~40A/dm3。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214644.6A CN106756557B (en) | 2016-12-26 | 2016-12-26 | A kind of high-strength tensile type cold-strip steel and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214644.6A CN106756557B (en) | 2016-12-26 | 2016-12-26 | A kind of high-strength tensile type cold-strip steel and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106756557A true CN106756557A (en) | 2017-05-31 |
| CN106756557B CN106756557B (en) | 2018-04-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130190A (en) * | 2017-07-13 | 2017-09-05 | 芜湖县双宝建材有限公司 | A kind of zinc steel burglary-resisting window corrosion-resistant finishes material |
| CN108085599A (en) * | 2017-12-28 | 2018-05-29 | 滁州宝岛特种冷轧带钢有限公司 | A kind of high-strength tensile type cold-strip steel and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5330705A (en) * | 1993-06-04 | 1994-07-19 | Carondelet Foundry Company | Heat resistant alloys |
| CN101410541A (en) * | 2006-12-25 | 2009-04-15 | 新日本制铁株式会社 | Steel for machine structure excelling in machinability and strength property |
| CN101578446A (en) * | 2007-11-12 | 2009-11-11 | 新日本制铁株式会社 | Process for production of common rails and partially strengthened common rails |
| JP2015137419A (en) * | 2014-01-24 | 2015-07-30 | 新日鐵住金株式会社 | Austenite stainless steel weld joint |
| CN105603334A (en) * | 2016-02-11 | 2016-05-25 | 曹兴奎 | Low-alloy high-strength steel plate for water conservancy and production method thereof |
-
2016
- 2016-12-26 CN CN201611214644.6A patent/CN106756557B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5330705A (en) * | 1993-06-04 | 1994-07-19 | Carondelet Foundry Company | Heat resistant alloys |
| CN101410541A (en) * | 2006-12-25 | 2009-04-15 | 新日本制铁株式会社 | Steel for machine structure excelling in machinability and strength property |
| CN101578446A (en) * | 2007-11-12 | 2009-11-11 | 新日本制铁株式会社 | Process for production of common rails and partially strengthened common rails |
| JP2015137419A (en) * | 2014-01-24 | 2015-07-30 | 新日鐵住金株式会社 | Austenite stainless steel weld joint |
| CN105603334A (en) * | 2016-02-11 | 2016-05-25 | 曹兴奎 | Low-alloy high-strength steel plate for water conservancy and production method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130190A (en) * | 2017-07-13 | 2017-09-05 | 芜湖县双宝建材有限公司 | A kind of zinc steel burglary-resisting window corrosion-resistant finishes material |
| CN108085599A (en) * | 2017-12-28 | 2018-05-29 | 滁州宝岛特种冷轧带钢有限公司 | A kind of high-strength tensile type cold-strip steel and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106756557B (en) | 2018-04-06 |
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