CN113774275A - Easily-formed high-wear-resistance steel plate for silt conveying pipeline and preparation method thereof - Google Patents
Easily-formed high-wear-resistance steel plate for silt conveying pipeline and preparation method thereof Download PDFInfo
- Publication number
- CN113774275A CN113774275A CN202110897790.8A CN202110897790A CN113774275A CN 113774275 A CN113774275 A CN 113774275A CN 202110897790 A CN202110897790 A CN 202110897790A CN 113774275 A CN113774275 A CN 113774275A
- Authority
- CN
- China
- Prior art keywords
- rolling
- wear
- steel plate
- temperature
- easy
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000013049 sediment Substances 0.000 claims abstract 4
- 238000005096 rolling process Methods 0.000 claims description 41
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 12
- 238000010791 quenching Methods 0.000 claims description 8
- 230000000171 quenching effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000005496 tempering Methods 0.000 claims description 7
- 238000007670 refining Methods 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 7
- 229910000851 Alloy steel Inorganic materials 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 238000009749 continuous casting Methods 0.000 description 5
- 229910000734 martensite Inorganic materials 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 241000243321 Cnidaria Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Images
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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- 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
- C22C38/44—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
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)
- Heat Treatment Of Steel (AREA)
Abstract
The invention discloses an easily-formed high-wear-resistance steel plate for a sediment conveying pipeline and a preparation method thereof, and belongs to the technical field of alloy steel. The steel plate comprises the following chemical components in percentage by weight: c: 0.15-0.20; mn: 0.5-2.0; si: 0.3-1.0; cr: 0.50-1.50; ni: 0.20-0.8; mo: 0.20-0.40; ti: 0.40-0.80; s is less than or equal to 0.03; p is less than or equal to 0.03; the balance being Fe and unavoidable impurity elements. The invention can meet the manufacturing requirements of the silt conveying pipeline. The wear resistance of the material with the hardness HB300 can be equivalent to that of NM360, and the wear resistance of the material with the hardness HB360 is equivalent to that of NM 450.
Description
Technical Field
The invention belongs to the technical field of alloy steel, and particularly relates to an easily-formed high-wear-resistance steel plate for a silt conveying pipeline and a preparation method thereof.
Background
The sand and mud conveying pipeline is affected by complex environment (such as complex soil texture of coarse sand, block stone, broken stone and sand mixed pebble) and has serious abrasion failure. The service life of the currently adopted 16Mn steel pipeline is about 1-2 years under the conventional medium condition, and the service life of the steel pipeline is generally not more than 6 months under the medium condition of hard particles such as iron-containing plate sand, coral rock and the like. Frequent replacement of the pipeline leads to reduction of construction efficiency and improvement of construction cost. And the steel plate with the hardness larger than HB400 is adopted, but the hardness is too high, so that the pipe coiling is very difficult, the forming efficiency is very low, the manufacturing cost of the steel pipe is far higher than that of common steel, and the large-scale popularization and application are difficult to realize. Therefore, how to greatly improve the wear resistance of steel on the premise of not improving the hardness becomes a key technical problem to be solved urgently in the current metallurgy and wear-resistant industries.
Disclosure of Invention
In order to solve the problems that the existing high-hardness wear-resistant steel is poor in welding performance and processing performance, high in process production cost, low in production efficiency and the like and cannot meet the requirement of pipeline manufacturing, the invention provides an easily-formed high-wear-resistant steel plate for a silt conveying pipeline and a preparation method thereof, namely, a superhard particle enhanced martensite wear-resistant steel and a preparation method thereof, wherein the wear resistance of the superhard particle enhanced martensite wear-resistant steel can reach 1.5 times that of the traditional martensite wear-resistant steel with the same hardness. The superhard particles are selected from a TiC precipitated phase with the hardness HV being more than or equal to 3000, the average size of the precipitated phase is about 1m, and the volume fraction is 0.5-1.5%. The principle of the superhard TiC particles for improving the wear resistance is as follows: the abrasive particles are prevented from wearing the furrows or breaking the abrasive particles and passivating sharp corners of the abrasive particles, so that the abrasion weight loss of the matrix is remarkably reduced.
The chemical composition of the wear-resistant steel in percentage by weight (wt.%): c: 0.15-0.20; mn: 0.5-2.0; si: 0.3-1.0; cr: 0.50-1.50; ni: 0.20-0.8; mo: 0.20-0.40; ti: 0.40-0.80; s is less than or equal to 0.03; p is less than or equal to 0.03, and the balance is Fe and inevitable impurity elements.
The action and the proportion of each element of the invention are as follows:
carbon: the hardenability of the steel is improved, the strong solid solution strengthening effect is achieved, and the strength and the hardness of the martensitic steel are obviously improved; carbon with proper content is combined with titanium to form micron-sized TiC particles, so that the wear resistance can be obviously improved. The steel of the invention controls the carbon content to be 0.10-0.20%, the matrix hardness is HB280-360, the effective carbon content is 0.08-0.13%, and considering the C element in TiC, the relationship between the C content in the steel and the matrix carbon content is as follows: c group ═ C steel-Ti/4; the control range in the steel of the invention is 0.15-0.20%.
Silicon: one of the deoxidizing elements in the steel has a certain solid solution strengthening effect, but the excessive silicon is unfavorable for the toughness and the welding performance of the steel. In combination with the above considerations, the silicon content of the steel of the invention ranges from 0.30 to 0.60 wt.%.
Manganese: obviously improves the hardenability of the steel and has certain solid solution strengthening effect. The manganese content of the steel of the invention ranges from 0.50 to 2.0 wt.%.
Titanium: as a strong carbide forming element, the carbide is combined with carbon to form superhard particles TiC with the hardness HV of more than 3000, thereby obviously improving the wear resistance of the steel. The invention controls the titanium content to be 0.40-0.80 wt.%, the volume fraction of the formed TiC particles is about 0.5-1.5%, and the average particle size is about 1 m. Too many TiC particles deteriorate the plasticity and toughness of the material, and too few particles cannot effectively improve the wear resistance of the material.
Molybdenum: obviously improves the hardenability of the steel, reduces the temper brittleness and improves the delayed fracture resistance of the steel. Meanwhile, molybdenum can be dissolved into TiC to form (TiMo) C, and the volume fraction of TiC particles is improved. The content of molybdenum is controlled to be 0.20-0.40 wt.%.
Chromium: the hardenability and the resistance to corrosive wear of the steel are improved, but too high chromium reduces the workability and weldability, the invention controlling the chromium content in the range of 0.50-0.80 wt.%.
Nickel: the hardenability of the steel is improved, the low-temperature toughness is obviously improved, and the corrosion resistance of the steel is improved. The nickel content is controlled in the range of 0.20-0.80 wt.%.
Phosphorus and sulfur as impurity elements seriously damage the toughness and plasticity of steel, and the content is respectively controlled to be less than or equal to 0.005 wt% of S and less than or equal to 0.015 wt% of P.
The preparation method of the wear-resistant steel sequentially comprises the following steps: converter or electric furnace smelting, external refining, slab continuous casting (die casting), heating, controlled rolling, controlled cooling and heat treatment.
Heating the continuous casting blank or the cast ingot in a heating furnace after cogging, wherein the heating temperature is 1050 ℃ and 1220 ℃, and the time is 1-5 hours. The heating temperature is higher than 1220 ℃, TiC particles formed in the casting process can be partially dissolved in austenite, and the wear resistance is reduced; the heating temperature is lower than 1050 ℃, the deformation resistance of the steel plate is overlarge, and the rolling is difficult.
And (4) rolling by adopting a heavy and medium plate mill or hot continuous rolling. The rolling process of the heavy and medium plate mill comprises the following steps: rough rolling for 3-8 times, finish rolling for 5-14 times, finish rolling temperature of 850-. Straightening the steel plate in the air cooling process or after accelerated cooling. The hot continuous rolling process comprises the following steps: rough rolling for 3-8 times, rolling the casting blank into an intermediate blank with the thickness of 20-60mm, then carrying out hot continuous rolling by a 6 or 7 stand, wherein the final rolling temperature is 850-700 ℃, and coiling the intermediate blank into a steel coil after laminar cooling after rolling, wherein the coiling temperature is 300-700 ℃. And cutting the steel coil into a steel plate after flattening, and straightening on a straightening machine.
And (3) carrying out heat treatment on the steel plate, including quenching and tempering.
And quenching the steel plate by water after heating, wherein the quenching heating temperature is 860-940 ℃, the heating time is 5-60 minutes. The overhigh heating temperature coarsens austenite grains, and reduces the toughness and plasticity of the steel; too low heating temperature significantly lowers the hardenability of steel and the core hardness of thick steel plate, which is not good for wear resistance.
The tempering temperature is 100-.
Compared with the prior art, the invention has the following beneficial effects:
through the process, the wear-resistant steel has the wear resistance reaching the level of NM450 due to the precipitation of TiC wear-resistant reinforcing phases, the matrix structure of the wear-resistant steel is lath martensite, meanwhile, the matrix contains 0.5-1.5 volume percent of TiC precipitation phases, and the average particle size of the precipitates is about 1um (shown in figure 1). The yield strength of the material is less than 1000MPa, the tensile strength is less than 1100MPa, the impact energy at room temperature is more than 20J, the hardness is HB280-360, the forming performance and the welding performance are excellent, and the manufacturing requirements of the silt conveying pipeline can be met. The wear resistance of the material with the hardness HB300 can be equivalent to that of NM360, and the wear resistance of the material with the hardness HB360 is equivalent to that of NM 450.
Drawings
FIG. 1 shows a metallographic structure according to the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Example 1
The chemical composition of the invention is C: 0.2; si: 0.43; mn: 1.54; cr: 0.82; ni: 0.75; mo: 0.31; ti: 0.51; s: 0.005; p: 0.005; the balance being Fe and unavoidable impurities. The manufacturing process comprises the following steps: converter smelting, LF refining, RH refining, slab continuous casting, rolling by adopting a heavy and medium plate mill, heating by a heating furnace at 1200 ℃, finish rolling at 860 ℃ and rolling thickness of 15mm, and air cooling after rolling. The heat treatment process comprises the following steps: austenitizing temperature is 880 ℃, heat preservation time is 0.5 hour, water quenching is carried out to room temperature, then tempering is carried out for 1 hour at 200 ℃, and air cooling is carried out to room temperature.
Example 2
The chemical composition of the invention is C: 0.19; si: 0.48; mn: 0.92; cr: 1.21; ni: 0.51; mo: 0.32, Ti: 0.42, S: 0.005; p: 0.015; the balance being Fe and unavoidable impurities. The manufacturing process comprises the following steps: converter smelting, LF refining, slab continuous casting, rolling by a medium plate mill, heating by a heating furnace at 1180 ℃, finish rolling at 900 ℃, rolling at 20mm thickness, and air cooling after rolling. The heat treatment process comprises the following steps: austenitizing temperature of 900 ℃, heat preservation time of 0.5 hour, water quenching to room temperature, tempering at 200 ℃ for 1 hour, and air cooling to room temperature.
Example 3
The chemical composition of the invention is C: 0.15; si: 0.38; mn: 1.12; cr: 1.21; ni: 0.80; mo: 0.35, Ti: 0.45, S: 0.003; p: 0.012; the balance being Fe and unavoidable impurities. The manufacturing process comprises the following steps: converter smelting, LF refining, slab continuous casting, rolling by adopting a hot continuous rolling mill, heating by a heating furnace at 1180 ℃, finish rolling at 900 ℃, rolling at a thickness of 10mm, and air cooling after rolling. The heat treatment process comprises the following steps: austenitizing temperature of 900 ℃, heat preservation time of 0.5 hour, water quenching to room temperature, tempering at 200 ℃ for 1 hour, and air cooling to room temperature.
TABLE 1 comparison of the inventive examples with NM360 and NM450 mechanical properties and abrasion resistance measurements
Conventional technical knowledge in the art can be used for the details which are not described in the present invention.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides a silt pipeline is with easy shaping high abrasion steel sheet which characterized in that, silt pipeline is with the chemical composition of easy shaping high abrasion steel sheet according to weight percent: c: 0.15 to 0.20 percent; mn: 0.5-2.0%; si: 0.3 to 1.0 percent; cr: 0.50-1.50%; ni: 0.20 to 0.8 percent; mo: 0.20-0.40%; ti: 0.40-0.80%; s is less than or equal to 0.03 percent; p is less than or equal to 0.03 percent; the balance being Fe and unavoidable impurity elements.
2. The easy-to-form high-wear-resistance steel plate for the sediment conveying pipeline as claimed in claim 1, wherein the yield strength of the easy-to-form high-wear-resistance steel plate for the sediment conveying pipeline is less than 1000MPa, the tensile strength of the easy-to-form high-wear-resistance steel plate is less than 1100MPa, the room-temperature impact energy of the easy-to-form high-wear-resistance steel plate is greater than 20J, and the hardness of the easy-to-form high-wear-resistance steel plate is HB 280-360.
3. A method for preparing an easily-formed high-wear-resistance steel plate for the sediment transport pipeline as claimed in any one of claims 1 or 2, which comprises the following steps:
1) smelting in a converter or an electric furnace, refining outside the furnace, and then continuously casting a plate blank;
2) heating, rolling, cooling and heat treatment are sequentially carried out after the slab is continuously cast, wherein the heating temperature is 1050-; the rolling process is medium plate rolling or hot continuous rolling, and the heat treatment comprises quenching and tempering.
4. The preparation method according to claim 3, wherein the rolling process of the heavy and medium plate mill in the step 2) is as follows: rough rolling for 3-8 times, finish rolling for 5-14 times, finish rolling temperature of 850-.
5. The preparation method according to claim 3, wherein the hot continuous rolling process in the step 2) is: rough rolling for 3-8 times, rolling the casting blank into an intermediate blank with the thickness of 20-60mm, then carrying out hot continuous rolling by a 6 or 7 stand, wherein the final rolling temperature is 850-700 ℃, and coiling the intermediate blank into a steel coil after laminar cooling after rolling, wherein the coiling temperature is 300-700 ℃.
6. The preparation method as claimed in claim 3, wherein the quenching heating temperature in step 2) is 860-940 ℃, the heating time is 5-60 minutes, the tempering temperature is 100-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897790.8A CN113774275A (en) | 2021-08-05 | 2021-08-05 | Easily-formed high-wear-resistance steel plate for silt conveying pipeline and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897790.8A CN113774275A (en) | 2021-08-05 | 2021-08-05 | Easily-formed high-wear-resistance steel plate for silt conveying pipeline and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113774275A true CN113774275A (en) | 2021-12-10 |
Family
ID=78836952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110897790.8A Pending CN113774275A (en) | 2021-08-05 | 2021-08-05 | Easily-formed high-wear-resistance steel plate for silt conveying pipeline and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113774275A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115141977A (en) * | 2022-06-24 | 2022-10-04 | 安徽工业大学 | High-wear-resistance hot-rolled strip steel and steel pipe for casting blank production pump truck and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104357758A (en) * | 2014-12-08 | 2015-02-18 | 钢铁研究总院 | Ultra-hard particle-enhanced martensitic wear-resistant steel plate and manufacturing method thereof |
| CN109680221A (en) * | 2019-01-17 | 2019-04-26 | 山东钢铁股份有限公司 | A kind of high tenacity granules reinforced wear resistance steel and preparation method thereof |
-
2021
- 2021-08-05 CN CN202110897790.8A patent/CN113774275A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104357758A (en) * | 2014-12-08 | 2015-02-18 | 钢铁研究总院 | Ultra-hard particle-enhanced martensitic wear-resistant steel plate and manufacturing method thereof |
| CN109680221A (en) * | 2019-01-17 | 2019-04-26 | 山东钢铁股份有限公司 | A kind of high tenacity granules reinforced wear resistance steel and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115141977A (en) * | 2022-06-24 | 2022-10-04 | 安徽工业大学 | High-wear-resistance hot-rolled strip steel and steel pipe for casting blank production pump truck and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015353251B2 (en) | Low-alloy high-strength high-tenacity steel panel and method for manufacturing same | |
| CN108118257B (en) | TiC particle reinforced ferrite/bainite based wear-resistant steel plate and manufacturing method thereof | |
| CN101440461B (en) | Casinghead gas corrosion resistant pumping rod steel and manufacturing method thereof | |
| CN105483539B (en) | A kind of enhanced austenite abrasion-proof steel plate of ultra-hard particles and its manufacture method | |
| CN104388821B (en) | TiC particulate reinforcement type heterogeneous structure high-ductility wear-resisting steel plate and manufacture method | |
| CN109609848B (en) | High-toughness anti-fatigue nano-precipitate reinforced martensite-austenite composite steel and preparation method thereof | |
| CN107779746B (en) | Ultra-fine grain alloy steel with ultrahigh strength, high toughness, corrosion resistance, oxidation resistance and preparation method thereof | |
| CN104451405A (en) | Austenite wear-resistant steel with impact and wear resistance and hot rolled plate manufacturing method | |
| CN105239015A (en) | High-carbon medium-magnesium abrasion resisting steel and hot rolled plate manufacturing method | |
| CN109835013B (en) | High-strength wear-resistant composite steel plate and manufacturing method thereof | |
| CN105239014A (en) | Low-cost high-carbon medium-magnesium abrasion resisting steel and manufacturing method of hot rolled plate of low-cost high-carbon medium-magnesium abrasion resisting steel | |
| CN101215671B (en) | Material capable of resisting zinc solution corrosive wear and manufacturing method thereof | |
| WO2019105264A1 (en) | High-strength high-toughness and wear-resistant composite steel plate and manufacturing method therefor | |
| CN102268588A (en) | Steel pipe reducing mill or sizing mill nodular cast iron roller and preparation method thereof | |
| CN109136756B (en) | NbC nanoparticle reinforced X90 plastic pipe steel plate and manufacturing method thereof | |
| CN109023068B (en) | Steel plate for VC (polyvinyl chloride) nanoparticle reinforced X90 plastic pipe and manufacturing method thereof | |
| CN114480806A (en) | Manufacturing method of thick TiC particle enhanced martensite wear-resistant steel plate | |
| CN113789468A (en) | Wear-resistant corrosion-resistant steel plate for silt conveying pipeline and preparation method thereof | |
| CN113774275A (en) | Easily-formed high-wear-resistance steel plate for silt conveying pipeline and preparation method thereof | |
| CN109536843B (en) | Nitrogen-containing dual-phase corrosion-resistant wear-resistant hot rolled steel and production method thereof | |
| CN108715976B (en) | Ti-Zr-C particle reinforced wear-resistant steel and preparation method thereof | |
| CN106868412A (en) | A kind of low shock proof wear-resistant ball of tungsten high rigidity of high-carbon low-chromium and preparation method thereof | |
| CN114318137B (en) | Austenitic stainless steel plate for nuclear power and manufacturing method thereof | |
| WO2019153764A1 (en) | Hot-rolled, abrasion-resistant steel plate and manufacturing method thereof | |
| CN114231851B (en) | Nano carbide reinforced wear-resistant steel and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211210 |
|
| RJ01 | Rejection of invention patent application after publication |