CN108060365A - A kind of cast steel with high chromium roll for hot rolled strip rolling - Google Patents
A kind of cast steel with high chromium roll for hot rolled strip rolling Download PDFInfo
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- CN108060365A CN108060365A CN201711370605.XA CN201711370605A CN108060365A CN 108060365 A CN108060365 A CN 108060365A CN 201711370605 A CN201711370605 A CN 201711370605A CN 108060365 A CN108060365 A CN 108060365A
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- roll
- working lining
- hot rolled
- rolled strip
- high chromium
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/02—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/38—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for roll bodies
-
- 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
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- 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
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- 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
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- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of cast steel with high chromium rolls for hot rolled strip rolling, including roller core and body of roll working lining, the chemical constituent and its mass percentage of body of roll working lining are C1.60 ~ 2.00%, Si0.60 ~ 1.00%, Mn0.80 ~ 1.50%, Cr12.00 ~ 15.00%, Ni1.00 ~ 2.00%, Mo1.00 ~ 2.50%, V >=0.10%, S≤0.03%, P≤0.05%, remaining is Fe and inevitable impurity.The present invention is by improving the chemical constituent of body of roll working lining and adjustment heat treatment process, it improves carbon content and inhibits the generation of as-cast structure medium pearlite, the mechanical strength and wearability for making roll are improved, the operation of rolling need not carry out high temperature quenching, equipment can be saved, shorten the production cycle, reduce production cost, and be improved the stability of roller performance.
Description
Technical field
The present invention relates to roll, especially a kind of cast steel with high chromium roll, for the rolling of hot rolled strip.
Background technology
Cast steel with high chromium has higher mechanical strength and wearability, gradually instead of half steel and high-chromium iron-cast roller, extensively
As rolling mill for hot rolled planks and strips roughing and finish rolling leading portion working roll, wide cut deal roughing and precision rolling working roll and light section and bar
Milling train planishing roll etc..It since cast steel with high chromium roll carbon content is generally relatively low, and is influenced be subject to alloy proportion, in order to reach tissue
The requirement of state generally require carry out high temperature quenching treatment, there are complex production process, the production cycle is long the problem of.
The content of the invention
The technical problem to be solved in the invention is to provide a kind of cast steel with high chromium roll for hot rolled strip rolling, can
It improves carbon content and inhibits the generation of as-cast structure medium pearlite, the mechanical strength and wearability for making roll are improved, rolling
Process need not carry out high temperature quenching, can save equipment, shorten the production cycle, reduce production cost, and make the steady of roller performance
It is qualitative to be improved.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of cast steel with high chromium roll for hot rolled strip rolling, including roller core and body of roll working lining, the chemistry of body of roll working lining
Component and its mass percentage are C2.30 ~ 3.30%, Si0.30 ~ 1.00%, Mn0.50 ~ 1.20%, Cr12.00 ~ 18.00%,
Ni1.00 ~ 1.70%, Mo0.80 ~ 1.50%, V0.00 ~ 0.60%, S≤0.10%, P≤0.05%, remaining is Fe and inevitable miscellaneous
Matter.
Technical solution of the present invention further improvement lies in that：During roll hardness requirement≤80HSD, the chemistry of body of roll working lining
Ingredient and its mass percentage are C1.60 ~ 1.80%, Si0.60 ~ 1.00%, Mn0.80 ~ 1.00%, Cr12.00 ~ 13.00%,
Ni1.00 ~ 1.50%, Mo1.00 ~ 2.00%, V >=0.10%, S≤0.03%, P≤0.05%, remaining is Fe and inevitable impurity.
Technical solution of the present invention further improvement lies in that：Roll hardness requirement>During 80HSD, the chemistry of body of roll working lining
Ingredient and its mass percentage are C1.80 ~ 2.00%, Si0.60 ~ 1.00%, Mn1.00 ~ 1.50%, Cr13.00 ~ 15.00%,
Ni1.50 ~ 2.00%, Mo2.00 ~ 2.50%, V >=0.10%, S≤0.03%, P≤0.05%, remaining is Fe and inevitable impurity.
Technical solution of the present invention further improvement lies in that：Carbide area fraction 12 ~ 16%, the body of roll in body of roll working lining
Martensitic structure hardness >=540HV in working lining.
Technical solution of the present invention further improvement lies in that：Dispersed precipitate is in granular form on martensite in body of roll working lining
The wear-resisting particle of carbide.
Technical solution of the present invention further improvement lies in that：Body of roll working lining hardness is 70 ~ 85HSD, and body of roll working lining is hard
Spend drop≤3HSD.
Technical solution of the present invention further improvement lies in that manufacturing method comprises the following steps：
A, smelt：Dispensing is carried out by the chemical constituent of roll working lining, is smelted to obtain roll working lining steel in induction furnace
Water, smelting temperature are 1450 ~ 1550 DEG C；Roller core portion smelts in induction furnace using the pig iron as raw material and obtains roller core portion molten steel, smelt
Temperature is 1450 ~ 1500 DEG C；
B, centrifugal casting：Using centrifuge by body of roll working lining moulding by casting, pouring temperature is 1350 ~ 1400 DEG C；
C, mould assembling cast core and roll neck：The sandbox for being poured in body of roll working lining will be poured with being closed for pouring into a mould the sandbox of roll neck
And；By roller core portion pouring molten steel in the sandbox to after merging, pouring temperature is 1380 ~ 1420 DEG C, obtains casting；
D, shake out sand removal：It is taken out in the sandbox of casting after merging after slow cooling, and clears up the molding sand of surface attachment；
E, it is heat-treated：Casting is subjected to annealing heat-treats.
Technical solution of the present invention further improvement lies in that：Annealing heat-treats are repeated 2 ~ 3 times, and each annealing time is
24 ~ 36h, annealing temperature are 490 ~ 550 DEG C.
By adopting the above-described technical solution, the technological progress that the present invention obtains is：
A kind of cast steel with high chromium roll for hot rolled strip rolling of the present invention, the operation of rolling need not carry out high temperature quenching treatment,
Equipment is saved, shortens the production cycle, reduces production cost, improves the stability of roller performance.
The present invention is by by designing rational alloying component and casting technique, completely left out high temperature quenching treatment work
Skill using annealing, under the premise of the performance requirement of roll is ensured, simplifies manufacturing process, the production cycle has obtained significantly
Shorten.
The present invention improves carbon content, and passes through Cr, Mo, V strong carbide shape compared with routinely producing cast steel with high chromium roll
Into the addition of element, granular carbide is precipitated in the base during annealing heat-treats；Meanwhile by increasing Mn and Ni members
Element can effectively inhibit the generation of as-cast structure medium pearlite, and with granule carbonide in annealing process
It is precipitated, Ms points reduce, and it is martensitic structure to promote retained austenite structural transformation, substantially increase the mechanical strength of roll and resistance to
Mill property.
For the present invention by the proportioning of optimized alloy ingredient, roll interior tissue state has obtained good improvement, tissue control
It is made as being made of martensite, a small amount of retained austenite and carbide, scope of the carbide area fraction control 12 ~ 16%.Matrix
The upper a large amount of granule carbonides of Dispersed precipitate, hardness of roll body are 70 ~ 85HSD, and working lining hardness drop≤3HSD ensure that roll
Hardness and wearability, suitable for the rolling of hot rolled strip.
Specific embodiment
The present invention is described in further details with reference to embodiment：
A kind of cast steel with high chromium roll for hot rolled strip rolling, specific implementation step are as follows：
A, smelt：Dispensing is carried out by the chemical constituent of roll working lining, is smelted to obtain roll working lining steel in induction furnace
Water, smelting temperature are 1450 ~ 1550 DEG C；Roller core portion smelts in induction furnace using the pig iron as raw material and obtains roller core portion molten steel, smelt
Temperature is 1450 ~ 1500 DEG C；
During roll hardness requirement≤80HSD, the chemical composition and its mass percentage of body of roll working lining are C1.60 ~ 1.80%,
Si0.60 ~ 1.00%, Mn0.80 ~ 1.00%, Cr12.00 ~ 13.00%, Ni1.00 ~ 1.50%, Mo1.00 ~ 2.00%, V >=0.10%, S
≤ 0.03%, P≤0.05%, remaining is Fe and inevitable impurity
Roll hardness requirement>During 80HSD, the chemical composition and its mass percentage of body of roll working lining are C1.80 ~ 2.00%,
Si0.60 ~ 1.00%, Mn1.00 ~ 1.50%, Cr13.00 ~ 15.00%, Ni1.50 ~ 2.00%, Mo2.00 ~ 2.50%, V >=0.10%, S
≤ 0.03%, P≤0.05%, remaining is Fe and inevitable impurity.
B, centrifugal casting：Using centrifuge by body of roll working lining moulding by casting, pouring temperature is 1350 ~ 1400 DEG C；
C, mould assembling cast core and roll neck：The sandbox for being poured in body of roll working lining will be poured with being closed for pouring into a mould the sandbox of roll neck
And；By roller core portion pouring molten steel in the sandbox to after merging, pouring temperature is 1380 ~ 1420 DEG C, obtains casting；
D, shake out sand removal：It is taken out in the sandbox of casting after merging after slow cooling, and clears up the molding sand of surface attachment；
E, it is heat-treated：Casting is subjected to annealing heat-treats, annealing heat-treats are repeated 2 ~ 3 times, each annealing time for 24 ~
36h, annealing temperature are 490 ~ 550 DEG C.
Carbide area fraction 12 ~ 16% in the roll barrel working lining being prepared, martensitic structure in body of roll working lining
Hardness >=540HV；The wear-resisting particle of carbide that Dispersed precipitate is in granular form on martensite in body of roll working lining；Body of roll working lining is hard
It spends for 70 ~ 85HSD, body of roll working lining hardness drop≤3HSD.
Embodiment 1
In the present embodiment roll specification be ￠ 1200/1100 × 1550, work layer thickness be 50mm, hardness requirement be HSD72 ~
78, the composition design target of body of roll working lining is C1.60 ~ 1.80%, Si0.60 ~ 1.00%, Mn0.80 ~ 1.00%, Cr12.00 ~
13.00%, Ni1.00 ~ 1.50%, Mo1.00 ~ 2.00%, V >=0.10%, S≤0.03%, P≤0.05%, remaining is Fe and can not keep away
Exempt from impurity.Manufacturing method is as follows：
A, smelt：Dispensing is carried out by the chemical constituent of roll working lining, is smelted to obtain roll working lining steel in induction furnace
Water, smelting temperature are 1450 DEG C；Roller core portion smelts in induction furnace using the pig iron as raw material and obtains roller core portion molten steel, smelting temperature
For 1450 DEG C；
B, centrifugal casting：Using centrifuge by body of roll working lining moulding by casting, pouring temperature is 1350 DEG C；
C, mould assembling cast core and roll neck：The sandbox for being poured in body of roll working lining will be poured with being closed for pouring into a mould the sandbox of roll neck
And；By roller core portion pouring molten steel in the sandbox to after merging, pouring temperature is 1380 DEG C, obtains casting；
D, shake out sand removal：It is taken out in the sandbox of casting after merging after slow cooling, and clears up the molding sand of surface attachment；
E, it is heat-treated：Casting is subjected to annealing heat-treats, annealing heat-treats are repeated 2 times, first time annealing time for for 24 hours,
Annealing temperature is 530 DEG C；Second of annealing time is 36h, and annealing temperature is 510 DEG C.
The chemical composition of molten steel is analyzed in stokehold sampling, obtains the chemical composition of refined molten steel and quality hundred
It is C1.65%, Si0.68%, Mn0.98%, Cr12.50%, Ni1.15%, Mo1.42%, S0.02%, P0.03% to divide content, remaining is
Fe and inevitable impurity.
After testing, body of roll work layer tissue is made of martensite, a small amount of retained austenite and carbide, and carbide area contains
It measures as 13%；Body of roll working lining hardness is 74 ~ 76HSD, and body of roll working lining hardness drop is 3HSD, meets work roll cooling to difference
The performance guarantee of diameter.
Embodiment 2
In the present embodiment roll specification be ￠ 1200/1100 × 1450, work layer thickness be 50mm, hardness requirement be HSD80 ~
85, the composition design target of body of roll working lining is C1.80 ~ 2.00%, Si0.60 ~ 1.00%, Mn1.00 ~ 1.50%, Cr13.00 ~
15.00%, Ni1.50 ~ 2.00%, Mo2.00 ~ 2.50%, V >=0.10%, S≤0.03%, P≤0.05%, remaining is Fe and can not keep away
Exempt from impurity.Manufacturing method is as follows：
A, smelt：Dispensing is carried out by the chemical constituent of roll working lining, is smelted to obtain roll working lining steel in induction furnace
Water, smelting temperature are 1550 DEG C；Roller core portion smelts in induction furnace using the pig iron as raw material and obtains roller core portion molten steel, smelting temperature
For 1500 DEG C；
B, centrifugal casting：Using centrifuge by body of roll working lining moulding by casting, pouring temperature is 1400 DEG C；
C, mould assembling cast core and roll neck：The sandbox for being poured in body of roll working lining will be poured with being closed for pouring into a mould the sandbox of roll neck
And；By roller core portion pouring molten steel in the sandbox to after merging, pouring temperature is 1420 DEG C, obtains casting；
D, shake out sand removal：It is taken out in the sandbox of casting after merging after slow cooling and clears up the molding sand of surface attachment；
E, it is heat-treated：Casting is subjected to annealing heat-treats, annealing heat-treats are repeated 3 times, first time annealing time for for 24 hours,
Annealing temperature is 515 DEG C；Second of annealing time is for 24 hours, annealing temperature is 510 DEG C；Third time annealing time is 36h, is annealed
Temperature is 505 DEG C.
C1.85%, Si0.78%, Mn1.12%, Cr13.50%, Ni1.65%, Mo2.42%, V0.15%, S0.02%, P0.03%,
Remaining is Fe and inevitable impurity.
After testing, body of roll working lining microstructure martensite, a small amount of retained austenite and carbide composition, carbide area fraction
For 15.8%, the wearability and hot-cracking resistance of roll ensure that；Body of roll working lining hardness be 82 ~ 84HSD, body of roll working lining hardness
Drop is 2.5HSD, meets the performance guarantee of roll different-diameter.
Embodiment 3
In the present embodiment roll specification be ￠ 1200/1100 × 1700, work layer thickness be 50mm, hardness requirement be HSD70 ~
75, the composition design target of body of roll working lining is：C1.60 ~ 1.80%, Si0.60 ~ 1.00%, Mn0.80 ~ 1.10%, Cr12.00 ~
14.00%, Ni1.00 ~ 1.50%, Mo1.00 ~ 2.00%, V >=0.10%, S≤0.03%, P≤0.05%, remaining is Fe and can not keep away
Exempt from impurity.Manufacturing method is as follows：
A, smelt：Dispensing is carried out by the chemical constituent of roll working lining, is smelted to obtain roll working lining steel in induction furnace
Water, smelting temperature are 1500 DEG C；Roller core portion smelts in induction furnace using the pig iron as raw material and obtains roller core portion molten steel, smelting temperature
For 1480 DEG C；
B, centrifugal casting：Using centrifuge by body of roll working lining moulding by casting, the pouring temperature of molten steel is 1380 DEG C；
C, mould assembling cast core and roll neck：The sandbox for being poured in body of roll working lining will be poured with being closed for pouring into a mould the sandbox of roll neck
And；By roller core portion pouring molten steel in the sandbox to after merging, pouring temperature is 1400 DEG C, obtains casting；
D, shake out sand removal：It is taken out in the sandbox of casting after merging after slow cooling, and clears up the molding sand of surface attachment；
E, it is heat-treated：Casting is subjected to annealing heat-treats, annealing heat-treats are repeated 2 times, first time annealing time for for 24 hours,
Annealing temperature is 550 DEG C；Second of annealing time is 36h, and annealing temperature is 520 DEG C.
The chemical composition of molten steel is analyzed in stokehold sampling, obtains the chemical composition of refined molten steel and quality hundred
It is C1.67%, Si0.66%, Mn0.97%, Cr12.40%, Ni1.12%, Mo1.32%, S0.02%, P0.03% to divide content, remaining is
Fe and inevitable impurity.
After testing, body of roll work layer tissue is made of martensite, a small amount of retained austenite and carbide, and carbide area contains
It measures as 12%；Body of roll working lining hardness is 74 ~ 75HSD, and body of roll working lining hardness drop is 3HSD, meets work roll cooling to difference
The performance guarantee of diameter.
Claims (8)
1. a kind of cast steel with high chromium roll for hot rolled strip rolling, including roller core and body of roll working lining, it is characterised in that：It is described
The chemical constituent and its mass percentage of body of roll working lining be C1.60 ~ 2.00%, Si0.60 ~ 1.00%, Mn0.80 ~ 1.50%,
Cr12.00 ~ 15.00%, Ni1.00 ~ 2.00%, Mo1.00 ~ 2.50%, V >=0.10%, S≤0.03%, P≤0.05%, remaining is Fe
With inevitable impurity.
2. a kind of cast steel with high chromium roll for hot rolled strip rolling according to claim 1, it is characterised in that：Roll is hard
When spending requirement≤80HSD, the chemical composition and its mass percentage of body of roll working lining are C1.60 ~ 1.80%, Si0.60 ~
1.00%, Mn0.80 ~ 1.00%, Cr12.00 ~ 13.00%, Ni1.00 ~ 1.50%, Mo1.00 ~ 2.00%, V >=0.10%, S≤
0.03%, P≤0.05%, remaining is Fe and inevitable impurity.
3. a kind of cast steel with high chromium roll for hot rolled strip rolling according to claim 1, it is characterised in that：Roll is hard
Degree requirement>During 80HSD, the chemical composition and its mass percentage of body of roll working lining are C1.80 ~ 2.00%, Si0.60 ~
1.00%, Mn1.00 ~ 1.50%, Cr13.00 ~ 15.00%, Ni1.50 ~ 2.00%, Mo2.00 ~ 2.50%, V >=0.10%, S≤
0.03%, P≤0.05%, remaining is Fe and inevitable impurity.
4. a kind of cast steel with high chromium roll for hot rolled strip rolling according to claim 1, it is characterised in that：Body of roll work
Make carbide area fraction 12 ~ 16% in layer, martensitic structure hardness >=540HV in body of roll working lining.
5. a kind of cast steel with high chromium roll for hot rolled strip rolling according to claim 1, it is characterised in that：Body of roll work
Make the wear-resisting particle of carbide that Dispersed precipitate is in granular form on martensite in layer.
6. a kind of cast steel with high chromium roll for hot rolled strip rolling according to claim 1, it is characterised in that：Body of roll work
Make layer hardness as 70 ~ 85HSD, body of roll working lining hardness drop≤3HSD.
A kind of 7. cast steel with high chromium roll for hot rolled strip rolling according to claim 1, it is characterised in that manufacturer
Method comprises the following steps：
A, smelt：Dispensing is carried out by the chemical constituent of roll working lining, is smelted to obtain roll working lining steel in induction furnace
Water, smelting temperature are 1450 ~ 1550 DEG C；Roller core portion smelts in induction furnace using the pig iron as raw material and obtains roller core portion molten steel, smelt
Temperature is 1450 ~ 1500 DEG C；
B, centrifugal casting：Using centrifuge by body of roll working lining moulding by casting, pouring temperature is 1350 ~ 1400 DEG C；
C, mould assembling cast core and roll neck：The sandbox for being poured in body of roll working lining will be poured with being closed for pouring into a mould the sandbox of roll neck
And；By roller core portion pouring molten steel in the sandbox to after merging, pouring temperature is 1380 ~ 1420 DEG C, obtains casting；
D, shake out sand removal：It is taken out in the sandbox of casting after merging after slow cooling, and clears up the molding sand of surface attachment；
E, it is heat-treated：Casting is subjected to annealing heat-treats.
8. a kind of cast steel with high chromium roll for hot rolled strip rolling according to claim 7, it is characterised in that：Annealing heat
Processing is repeated 2 ~ 3 times, and each annealing time is 24 ~ 36h, and annealing temperature is 490 ~ 550 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370605.XA CN108060365B (en) | 2017-12-19 | 2017-12-19 | High-chromium cast steel roller for rolling hot-rolled plate strip |
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| CN201711370605.XA CN108060365B (en) | 2017-12-19 | 2017-12-19 | High-chromium cast steel roller for rolling hot-rolled plate strip |
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| CN108060365B CN108060365B (en) | 2020-09-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306127A (en) * | 2019-07-11 | 2019-10-08 | 上海交通大学 | A kind of ultrahigh-intensity high-toughness steel alloy and preparation method thereof |
| CN111057835A (en) * | 2019-12-30 | 2020-04-24 | 中钢集团邢台机械轧辊有限公司 | Method for controlling structure performance of working layer of centrifugal roller |
| CN112264465A (en) * | 2020-09-29 | 2021-01-26 | 武汉钢铁有限公司 | Centrifugal composite roller |
| CN114892086A (en) * | 2022-05-07 | 2022-08-12 | 安徽新马铸造科技有限公司 | Corrosion-resistant high-strength wear-resistant steel ball |
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| CN103526126A (en) * | 2013-09-02 | 2014-01-22 | 中钢集团邢台机械轧辊有限公司 | Tool steel roller for rolling medium-thickness plate and manufacturing method thereof |
| CN104308112A (en) * | 2014-09-24 | 2015-01-28 | 江苏共昌轧辊股份有限公司 | Preparation method of reinforced D2 steel centrifugal composite rod wire finishing roll |
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