CN105401056A - Universal type steel ball unthreaded ball iron roller ring and manufacturing method thereof - Google Patents
Universal type steel ball unthreaded ball iron roller ring and manufacturing method thereof Download PDFInfo
- Publication number
- CN105401056A CN105401056A CN201510711158.4A CN201510711158A CN105401056A CN 105401056 A CN105401056 A CN 105401056A CN 201510711158 A CN201510711158 A CN 201510711158A CN 105401056 A CN105401056 A CN 105401056A
- Authority
- CN
- China
- Prior art keywords
- molten steel
- rolling mill
- inner core
- ductile iron
- grain
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 title abstract 3
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 14
- 238000003723 Smelting Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 19
- 229910052804 chromium Inorganic materials 0.000 claims description 14
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910018505 Ni—Mg Inorganic materials 0.000 claims description 5
- 238000009750 centrifugal casting Methods 0.000 claims description 5
- 239000002054 inoculum Substances 0.000 claims description 5
- 229910017082 Fe-Si Inorganic materials 0.000 claims description 3
- 229910017133 Fe—Si Inorganic materials 0.000 claims description 3
- 229910000939 field's metal Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000011081 inoculation Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000010439 graphite Substances 0.000 description 9
- 229910002804 graphite Inorganic materials 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 208000025599 Heat Stress disease Diseases 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- MHKWSJBPFXBFMX-UHFFFAOYSA-N iron magnesium Chemical compound [Mg].[Fe] MHKWSJBPFXBFMX-UHFFFAOYSA-N 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
- C22C33/10—Making cast-iron alloys including procedures for adding magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/04—Cast-iron alloys containing spheroidal graphite
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
- C22C37/08—Cast-iron alloys containing chromium with nickel
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention discloses a universal type steel ball unthreaded ball iron roller ring which comprises an outer layer and an inner core. The proportion between the outer layer and the inner core is 2:1. The alloy component of the outer layer comprises, by weight, 3.0-3.5% of C, 1.2-2.0% of Si, 0.5-1.2% of Mn, 0.1% or less of P, 0.02% or less of S, 0.2-1.0% of Cr, 0.5-1.5% of Ni, 0.2-1.0% of Mo, and the balance Fe and inevitable impurities. The alloy component of the inner core comprises, by weight, 1.0-1.5% of C, 1.3-1.7% of Si, 0.5-1.0% of Mn, 0.08% or less of P, 0.03% or less of S, 0.5% or less of Cr, 0.3% or less of Ni, 0.13% or less of Mo, and the balance Fe and inevitable impurities. A manufacturing method comprises the steps of A, smelting, B, inoculation and spheroidizing, and C, casting. By means of the universal type steel ball unthreaded ball iron roller ring and the manufacturing method thereof, the hardness fall of rollers can become small, the steel adhesion tendency is relieved, and the comprehensive using performance of the roller ring is improved.
Description
Technical field
The present invention relates to a kind of collars ring and manufacture method thereof, especially a kind of H-Beam Rolling Mill pearlitic ductile iron collars and manufacture method thereof.
Background technology
Heavy and medium section mill H-Beam Rolling Mill edger roll ring generally adopts high-carbon half steel material to make.Wear resistance and the anti-accident impact capacity of the roll of high-carbon half steel material are stronger, but hot-cracking resistance is slightly poor, easily produce be full of cracks in using, the rolling of part shaped steel producer uses half steel material roller to there is steel bonding phenomenon in addition, brings considerable influence to the normal rolling of section steel works and organization of production.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of H-Beam Rolling Mill pearlitic ductile iron collars and manufacture method thereof, makes the hardness drop of roll little, reduces steel bonding tendency, improves the comprehensive use properties of collars.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of H-Beam Rolling Mill pearlitic ductile iron collars, comprises skin and inner core, and ratio that is outer and inner core is 2:1, and outer field alloy compositions and weight percentages of components be,
C:3.0 ~ 3.5%, Si:1.2 ~ 2.0%, Mn:0.5 ~ 1.2%, P≤0.1%; S≤0.02%, Cr:0.2 ~ 1.0%, Ni:0.5 ~ 1.5%, Mo:0.2 ~ 1.0%, all the other are Fe and inevitable impurity;
The alloy compositions of inner core and weight percentages of components be,
C:1.0 ~ 1.5%, Si:1.3 ~ 1.7%, Mn:0.5 ~ 1.0%, P≤0.08%, S≤0.03%, Cr≤0.5, Ni≤0.3, Mo≤0.13, all the other are Fe and inevitable impurity.
Further improvement of the present invention is: alloy compositions and weight percentages of components be,
C:3.2 ~ 3.4%, Si:1.5 ~ 1.8%, Mn:0.7 ~ 1.0%, P≤0.05%; S≤0.02%, Cr:0.4 ~ 0.8%, Ni:0.8 ~ 1.3%, Mo:0.4 ~ 0.8%, all the other are Fe and inevitable impurity;
The alloy compositions of inner core and weight percentages of components be,
C:1.2 ~ 1.5%, Si:1.3 ~ 1.5%, Mn:0.5 ~ 0.8%, P≤0.05%, S≤0.03%, Cr≤0.3, Ni≤0.2, Mo≤0.10, all the other are Fe and inevitable impurity.
Further improvement of the present invention is: manufacture craft comprises the following steps,
A, melting: raw material is proportionally mixed and puts into intermediate frequency furnace, smelting temperature is 1450 DEG C ~ 1550 DEG C;
B, to breed and spheroidizing: melted molten steel is transferred in ladle, the bag end, adds composite nodulizer and composite inoculant; Tap and carried out calmness in ladle afterwards; Raise the temperature that molten steel temperature reaches more than this molten steel fusing point 50 DEG C;
C, cast: pour into a mould outer molten steel by the mode of centrifugal casting, start whizzer work, pour into a mould outer field molten steel, the pouring speed 20 ~ 30kg/s of molten steel in metal cold mould frock; After casting complete, occur after solidus curve until working lining, the molten steel of cast internal layer, pouring speed is 8 ~ 15kg/s, and cast stopping stopped whizzer after 100 minutes, was taken out by blank from metal cold mould frock, enters heat preservation tank insulation.
Further improvement of the present invention is: the composite nodulizer in step B is the mixture of Ni-Mg grain and Re-Mg grain, and the ratio of Ni-Mg grain and Re-Mg grain is 1:2.
Further improvement of the present invention is: the composite inoculant in step B is Fe-Si grain.
Further improvement of the present invention is: 3 ~ 10 minutes calm time in step B.
Owing to adopting technique scheme, the beneficial effect that the present invention produces is:
The present invention is in conjunction with the own characteristic of shaped steel universal mill and working conditions, determine composition and the content of roll interalloy element, manufacture craft reasonable in design, adopt rotary casting, because its matrix is perlite, carbide content is about 20 ~ 25%, and have the ball nodular graphite of 2 ~ 5% of Dispersed precipitate, therefore not only there is the advantage that semisteel roll hardness drop is little, wear resisting property is good, simultaneously because ball-type graphite lubricate reduces steel bonding tendency, improve use properties and the stability of edger roll ring.
Skin of the present invention contains the multiple alloying element such as Cr, Ni, Mo of high level, and in production process, adopt centrifugal compound pouring type, adopt this kind of pouring type can take into account the toughness of outer field wear resistance and core, reduce production cost simultaneously, inclusion under the influence of centrifugal force to blanking inner hole motion, will add and these defects can be removed man-hour in addition.
The present invention carries out rational inoculation to potting syrup, carries out rational Curve guide impeller to smelting pouring technology and thermal treatment process, make the tiny ball-type graphite having Dispersed precipitate in matrix, the equally distributed graphite of ball-type stops generation and the expansion of heat fatigue cracking, its damping capacity can make resistance to cleavage improve, improve the thermal crack resistant of roll, simultaneously reduce steel bonding tendency because the lubrication high degree of graphite is low.
The present invention has high-wearing feature, have excellent hot-cracking resistance, anti-accident impact capacity concurrently, have moderate anti-tension strength at break and toughness, hardness landing is little, less to heat affecting sensitivity in using, and steel bonding tendency is reduced because the lubrication high degree of graphite is low.Be applicable to shaped steel class universal frame, the demand of rolled-section can be met preferably.
Accompanying drawing explanation
Fig. 1 is roll working lining 50 times of graphite photos that method of the present invention manufactures;
Fig. 2 is roll working lining 500 macrograph that method of the present invention manufactures.
Embodiment
A kind of H-Beam Rolling Mill pearlitic ductile iron collars, comprises skin and inner core, and ratio that is outer and inner core is 2:1, and outer field alloy compositions and weight percentages of components be,
C:3.0 ~ 3.5%, Si:1.2 ~ 2.0%, Mn:0.5 ~ 1.2%, P≤0.1%; S≤0.02%, Cr:0.2 ~ 1.0%, Ni:0.5 ~ 1.5%, Mo:0.2 ~ 1.0%, all the other are Fe and inevitable impurity;
The alloy compositions of inner core and weight percentages of components be,
C:1.0 ~ 1.5%, Si:1.3 ~ 1.7%, Mn:0.5 ~ 1.0%, P≤0.08%, S≤0.03%, Cr≤0.5, Ni≤0.3, Mo≤0.13, all the other are Fe and inevitable impurity.
Alloy compositions and weight percentages of components be,
C:3.2 ~ 3.4%, Si:1.5 ~ 1.8%, Mn:0.7 ~ 1.0%, P≤0.05%; S≤0.02%, Cr:0.4 ~ 0.8%, Ni:0.8 ~ 1.3%, Mo:0.4 ~ 0.8%, all the other are Fe and inevitable impurity;
The alloy compositions of inner core and weight percentages of components be,
C:1.2 ~ 1.5%, Si:1.3 ~ 1.5%, Mn:0.5 ~ 0.8%, P≤0.05%, S≤0.03%, Cr≤0.3, Ni≤0.2, Mo≤0.10, all the other are Fe and inevitable impurity.
Manufacture craft comprises the following steps,
A, melting: raw material is proportionally mixed and puts into intermediate frequency furnace, smelting temperature is 1450 DEG C ~ 1550 DEG C; Use respective alloy to carry out composition adjustment in fusion process, ensure that each chemical composition meets the requirements.
B, to breed and spheroidizing: melted molten steel is transferred in ladle, the bag end, adds the composite nodulizer that Ni-Mg grain and Re-Mg grain mix with 1:2, and adds Fe-Si grain as composite inoculant; Tapped and carried out calmness in ladle afterwards, the calm time is unsuitable long, and calm 3 ~ 10 minutes time, if overlong time can cause breed decaying spheroidisation; Raise molten steel temperature to the temperature higher than its fusing point 50 DEG C;
C, cast: pour into a mould outer molten steel by the mode of centrifugal casting, start whizzer work, pour into a mould outer field molten steel, the pouring speed 20 ~ 30kg/s of molten steel in metal cold mould frock; After casting complete, occur after solidus curve until working lining, the molten steel of cast internal layer, pouring speed is 8 ~ 15kg/s, and cast stopping stopped whizzer after 100 minutes, was taken out by blank from metal cold mould frock, enters heat preservation tank insulation.
The present invention pours into a mould the pouring type adopting centrifugal compound, and outer material is pearlitic ductile iron, containing the alloy such as higher carbon and Cr, Ni, Mo, ensures the high-wearing feature of working lining, and good hot-cracking resistance, anti-accident impact capacity; Core adopts low-alloy magnesium iron simultaneously, ensures core toughness and intensity, reduces production cost simultaneously.
Adopt the method for centrifugal casting, ensure higher Carbide Precipitation amount, and the quantity of graphite of some amount, make H-Beam Rolling Mill edger roll ring have high wear resistance and excellent resisting viscosity steel use properties concurrently.
Cast adopts centrifugal casting mode, adopts this kind of pouring type can take into account the toughness of outer field wear resistance and core, reduces production cost simultaneously, and inclusion under the influence of centrifugal force to blanking inner hole motion, will add and these defects can be removed man-hour in addition.
Embodiment
Composition and the ratio of H-Beam Rolling Mill high-carbon graphite steel rider ring see the following form
Table 1
Table 2
From in table, hardness meets the demands.
A kind of H-Beam Rolling Mill pearlitic ductile iron collars and manufacture method thereof, make the hardness drop of roll little, reduces steel bonding tendency, improve the comprehensive use properties of collars.
Claims (6)
1. a H-Beam Rolling Mill pearlitic ductile iron collars, is characterized in that: comprise skin and inner core, and ratio that is outer and inner core is 2:1, and outer field alloy compositions and weight percentages of components be,
C:3.0 ~ 3.5%, Si:1.2 ~ 2.0%, Mn:0.5 ~ 1.2%, P≤0.1%; S≤0.02%, Cr:0.2 ~ 1.0%, Ni:0.5 ~ 1.5%, Mo:0.2 ~ 1.0%, all the other are Fe and inevitable impurity;
The alloy compositions of inner core and weight percentages of components be,
C:1.0 ~ 1.5%, Si:1.3 ~ 1.7%, Mn:0.5 ~ 1.0%, P≤0.08%, S≤0.03%, Cr≤0.5, Ni≤0.3, Mo≤0.13, all the other are Fe and inevitable impurity.
2. a kind of H-Beam Rolling Mill pearlitic ductile iron collars according to claim 1, is characterized in that: alloy compositions and weight percentages of components be,
C:3.2 ~ 3.4%, Si:1.5 ~ 1.8%, Mn:0.7 ~ 1.0%, P≤0.05%; S≤0.02%, Cr:0.4 ~ 0.8%, Ni:0.8 ~ 1.3%, Mo:0.4 ~ 0.8%, all the other are Fe and inevitable impurity;
The alloy compositions of inner core and weight percentages of components be,
C:1.2 ~ 1.5%, Si:1.3 ~ 1.5%, Mn:0.5 ~ 0.8%, P≤0.05%, S≤0.03%, Cr≤0.3, Ni≤0.2, Mo≤0.10, all the other are Fe and inevitable impurity.
3. a manufacture method for H-Beam Rolling Mill pearlitic ductile iron collars, is characterized in that: manufacture craft comprises the following steps,
A, melting: raw material is proportionally mixed and puts into intermediate frequency furnace, smelting temperature is 1450 DEG C ~ 1550 DEG C;
B, to breed and spheroidizing: melted molten steel is transferred in ladle, the bag end, adds composite nodulizer and composite inoculant; Tap and carried out calmness in ladle afterwards; Raise the temperature that molten steel temperature reaches more than this molten steel fusing point 50 DEG C;
C, cast: pour into a mould outer molten steel by the mode of centrifugal casting, start whizzer work, pour into a mould outer field molten steel, the pouring speed 20 ~ 30kg/s of molten steel in metal cold mould frock; After casting complete, occur after solidus curve until working lining, the molten steel of cast internal layer, pouring speed is 8 ~ 15kg/s, and cast stopping stopped whizzer after 100 minutes, was taken out by blank from metal cold mould frock, enters heat preservation tank insulation.
4. the manufacture method of a kind of H-Beam Rolling Mill pearlitic ductile iron collars according to claim 3, is characterized in that: the composite nodulizer in step B is the mixture of Ni-Mg grain and Re-Mg grain, and the ratio of Ni-Mg grain and Re-Mg grain is 1:2.
5. the manufacture method of a kind of H-Beam Rolling Mill pearlitic ductile iron collars according to claim 3, is characterized in that: the composite inoculant in step B is Fe-Si grain.
6. the manufacture method of a kind of H-Beam Rolling Mill pearlitic ductile iron collars according to claim 3, is characterized in that: 3 ~ 10 minutes calm time in step B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711158.4A CN105401056B (en) | 2015-10-28 | 2015-10-28 | A kind of H-Beam Rolling Mill pearlitic ductile iron collars and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711158.4A CN105401056B (en) | 2015-10-28 | 2015-10-28 | A kind of H-Beam Rolling Mill pearlitic ductile iron collars and its manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105401056A true CN105401056A (en) | 2016-03-16 |
| CN105401056B CN105401056B (en) | 2017-09-29 |
Family
ID=55466806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510711158.4A Active CN105401056B (en) | 2015-10-28 | 2015-10-28 | A kind of H-Beam Rolling Mill pearlitic ductile iron collars and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105401056B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367664A (en) * | 2016-08-29 | 2017-02-01 | 中钢集团邢台机械轧辊有限公司 | Cast iron material pinch roll used for hot strip mill and manufacturing method of cast iron material pinch roll |
| CN107619991A (en) * | 2017-09-27 | 2018-01-23 | 安徽海立精密铸造有限公司 | A kind of low temperature impact magnesium iron and preparation method thereof |
| CN108080891A (en) * | 2017-11-28 | 2018-05-29 | 江苏中铁山桥重工有限公司 | A kind of manufacturing method of the multi-faceted bolt steel ball in inside |
| CN108677083A (en) * | 2018-04-28 | 2018-10-19 | 唐山钢铁集团有限责任公司 | A kind of hot rolled seamless steel tube production alloy collars and its production method |
| CN109182720A (en) * | 2018-08-15 | 2019-01-11 | 成都三强轧辊股份有限公司 | A kind of heat treatment method of Produce Heavy Nodular lron collars |
| CN111036886A (en) * | 2019-11-14 | 2020-04-21 | 唐山钢铁集团有限责任公司 | Process design method for centrifugal composite high-alloy steel roller core material |
| CN111101053A (en) * | 2019-12-30 | 2020-05-05 | 中钢集团邢台机械轧辊有限公司 | Working roll for wire rod rough rolling frame and manufacturing method thereof |
| CN112176253A (en) * | 2020-09-21 | 2021-01-05 | 成都三强轧辊股份有限公司 | H-shaped steel roll collar and manufacturing method thereof |
| CN114262842A (en) * | 2021-11-12 | 2022-04-01 | 中钢集团邢台机械轧辊有限公司 | Roller for Alsell stand and manufacturing method thereof |
| CN116043101A (en) * | 2022-12-30 | 2023-05-02 | 河北津西钢铁集团重工科技有限公司 | Low-alloy hypereutectic roller and casting method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6123510A (en) * | 1984-07-13 | 1986-02-01 | Kubota Ltd | Tough sleeve roll for h-beam steel rolling |
| JP2007245217A (en) * | 2006-03-17 | 2007-09-27 | Kubota Corp | Composite rolling mill roll |
| CN101314180A (en) * | 2008-05-12 | 2008-12-03 | 中钢集团邢台机械轧辊有限公司 | Cold-forming die steel collars anticentripetal composite casting technique for rail beam and section |
| CN102039314A (en) * | 2010-11-23 | 2011-05-04 | 唐山大方铸造有限公司 | High-carbon semi-steel composite roll collar and manufacturing method thereof |
-
2015
- 2015-10-28 CN CN201510711158.4A patent/CN105401056B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6123510A (en) * | 1984-07-13 | 1986-02-01 | Kubota Ltd | Tough sleeve roll for h-beam steel rolling |
| JP2007245217A (en) * | 2006-03-17 | 2007-09-27 | Kubota Corp | Composite rolling mill roll |
| CN101314180A (en) * | 2008-05-12 | 2008-12-03 | 中钢集团邢台机械轧辊有限公司 | Cold-forming die steel collars anticentripetal composite casting technique for rail beam and section |
| CN102039314A (en) * | 2010-11-23 | 2011-05-04 | 唐山大方铸造有限公司 | High-carbon semi-steel composite roll collar and manufacturing method thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367664A (en) * | 2016-08-29 | 2017-02-01 | 中钢集团邢台机械轧辊有限公司 | Cast iron material pinch roll used for hot strip mill and manufacturing method of cast iron material pinch roll |
| CN107619991A (en) * | 2017-09-27 | 2018-01-23 | 安徽海立精密铸造有限公司 | A kind of low temperature impact magnesium iron and preparation method thereof |
| CN108080891B (en) * | 2017-11-28 | 2019-08-20 | 江苏中铁山桥重工有限公司 | A kind of manufacturing method of the multi-faceted bolt steel ball in inside |
| CN108080891A (en) * | 2017-11-28 | 2018-05-29 | 江苏中铁山桥重工有限公司 | A kind of manufacturing method of the multi-faceted bolt steel ball in inside |
| CN108677083B (en) * | 2018-04-28 | 2019-09-10 | 唐山钢铁集团有限责任公司 | A kind of hot rolled seamless steel tube production alloy collars and its production method |
| CN108677083A (en) * | 2018-04-28 | 2018-10-19 | 唐山钢铁集团有限责任公司 | A kind of hot rolled seamless steel tube production alloy collars and its production method |
| CN109182720A (en) * | 2018-08-15 | 2019-01-11 | 成都三强轧辊股份有限公司 | A kind of heat treatment method of Produce Heavy Nodular lron collars |
| CN111036886A (en) * | 2019-11-14 | 2020-04-21 | 唐山钢铁集团有限责任公司 | Process design method for centrifugal composite high-alloy steel roller core material |
| CN111101053A (en) * | 2019-12-30 | 2020-05-05 | 中钢集团邢台机械轧辊有限公司 | Working roll for wire rod rough rolling frame and manufacturing method thereof |
| CN112176253A (en) * | 2020-09-21 | 2021-01-05 | 成都三强轧辊股份有限公司 | H-shaped steel roll collar and manufacturing method thereof |
| CN114262842A (en) * | 2021-11-12 | 2022-04-01 | 中钢集团邢台机械轧辊有限公司 | Roller for Alsell stand and manufacturing method thereof |
| CN114262842B (en) * | 2021-11-12 | 2023-07-14 | 中钢集团邢台机械轧辊有限公司 | Roller for Archer frame and manufacturing method thereof |
| CN116043101A (en) * | 2022-12-30 | 2023-05-02 | 河北津西钢铁集团重工科技有限公司 | Low-alloy hypereutectic roller and casting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105401056B (en) | 2017-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105401056A (en) | Universal type steel ball unthreaded ball iron roller ring and manufacturing method thereof | |
| CN102433504B (en) | Steel for medium/heavy duty vehicle gear shaft blank in cross wedge rolling process and preparation method thereof | |
| CN102392178B (en) | Nodular cast iron and centrifugal composite casting roller | |
| CN102618779B (en) | As-cast bainite ductile cast iron composite roll | |
| CN100566873C (en) | Wear-resistant cast iron roller ring for straightening rails and preparation method thereof | |
| CN107904492A (en) | A kind of low silicon high-carbon-chromium bearing steel and its hot rolling production method | |
| CN101775558A (en) | Fe-Cr-B cast abrasion-resistant alloy and manufacturing method thereof | |
| CN105220060B (en) | High-strength ductile iron and production method thereof | |
| CN103498107A (en) | High-boron high-chromium low-carbon high-temperature-resistant wear-resisting alloy steel and manufacturing method thereof | |
| CN101660097A (en) | Wear-resisting alloy steel with high boron, high chrome and low carbon and preparation method thereof | |
| CN102925820B (en) | Aluminum-containing high-boron high-speed steel roller material and smelting method thereof | |
| CN102517513B (en) | Steel for high-strength, corrosion-resistant and high-anti-seismic-performance hydraulic supporting column and preparation process thereof | |
| CN105506442B (en) | A kind of Si Mn alloyings wear-resisting ductile iron abrading-ball and preparation method thereof | |
| CN102107215A (en) | Resource-saving boron-containing high-speed steel composite roll and preparation method thereof | |
| CN104775081A (en) | High-carbon non-tempered steel for breaking connecting rod and manufacturing method thereof | |
| CN101549356B (en) | A kind of high boron casting alloy roll and its manufacturing method | |
| CN102517516A (en) | Composite microalloyed high impact energy cast steel and manufacturing method thereof | |
| CN103498108A (en) | High-boron high-chromium low-carbon wear-resisting alloy steel with good red hardness and manufacturing method thereof | |
| CN104152789A (en) | Preparation method of wear-resistant ductile cast iron ball mill lining board quenched by residual heat | |
| CN108018481A (en) | High-carbon equivalent high-strength low stress glass mold material and preparation method thereof | |
| CN111187996A (en) | A kind of free-cutting steel wire rod containing medium carbon sulfur and selenium and its manufacturing method | |
| CN102400032B (en) | Large-cross-section nodular cast iron | |
| CN101168824A (en) | A kind of lead-free free-cutting steel for heavy-duty gear with medium-hard tooth surface and preparation method thereof | |
| KR20220054862A (en) | Alloy structural steel and its manufacturing method | |
| CN101240404A (en) | A kind of high-carbon high-boron wear-resistant alloy and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |