CN109136730A - A kind of high speed wire rod finishing block Roll Collar and preparation method thereof - Google Patents

A kind of high speed wire rod finishing block Roll Collar and preparation method thereof Download PDF

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Publication number
CN109136730A
CN109136730A CN201810917134.8A CN201810917134A CN109136730A CN 109136730 A CN109136730 A CN 109136730A CN 201810917134 A CN201810917134 A CN 201810917134A CN 109136730 A CN109136730 A CN 109136730A
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Prior art keywords
roll collar
wire rod
finishing block
speed wire
furnace
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CN201810917134.8A
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Inventor
申春江
王国伟
曲海玉
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LINZHOU FENGBAO PIPE CO Ltd
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LINZHOU FENGBAO PIPE CO Ltd
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Priority to CN201810917134.8A priority Critical patent/CN109136730A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C37/00Cast-iron alloys
    • C22C37/10Cast-iron alloys containing aluminium or silicon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/19Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20Isothermal quenching, e.g. bainitic hardening
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D5/00Heat treatments of cast-iron
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/38Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for roll bodies
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C37/00Cast-iron alloys
    • C22C37/06Cast-iron alloys containing chromium
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The present invention discloses a kind of high speed wire rod finishing block Roll Collar and preparation method thereof.It is made of the chemical component of following weight percents: C 2.5~3.2%;W 4.0~5.0%;V 2.6~3.3%;Cr 10.0~12.5%;B 0.1~0.3%;Si 2.5~3.2%;Re 0.3~0.5%;Sc:0.02~0.05%;Zr:0.02~0.05%;Cu 0.02~0.12%;Ti 0.08~0.15%;S 0.01~0.06%;P 0.01~0.06%, surplus is Fe and inevitable trace impurity, also, the mass ratio of C/Si is 1:1.Compared with prior art, high speed wire rod finishing block of the invention improves the structure of the alloy by controlling the mass ratio of C/Si with Roll Collar, pass through the combination of C/Si and metal, improve the high-temperature stability of Roll Collar, coating sprayed coating processing is carried out on the surface of high speed wire rod finishing block Roll Collar, to improve the wearability on the surface, then on the coating sprayed coating treated Roll Collar Nitrizing Treatment is carried out, passes through surface refractory and wearability that Nitrizing Treatment improves Roll Collar.

Description

A kind of high speed wire rod finishing block Roll Collar and preparation method thereof
Technical field
The present invention relates to Roll Collar technical field, specifically a kind of high speed wire rod finishing block Roll Collar and its system Preparation Method.
Background technique
Setting for Catching-rabbits is filled for the steel rolling that Roll Collar mainly guides, auxiliary rolling blank or finished product are run through, is steel A very crucial component on factory's bar and wire rod rolling line, it is desirable that high temperature abrasion resistance with higher, only metallurgy industry China year need to consume about 2,000,000 tons of all kinds of roll materials, and performance is difficult to meet the requirements, therefore, annual to spend multi-billion dollar from state Therefore how outer import reduces its cost, improve its performance, becomes the main contents of future studies.
The guide and guard roll material mainly used both at home and abroad has: austenitic heat-resistance steel, martensite heat-resistant steel and hard alloy etc. three Kind.The advantages of due to the existing hard alloy high elastic modulus of steel bonded carbide, high rigidity and high-wearing feature, and have alloy work The features such as having steel machinable and being heat-treated, has obtained significant techno-economic effect for cold-working tool and mould.
Summary of the invention
The purpose of the present invention is to solve defects in the prior art, provide a kind of high speed wire rod finishing block guide and guard Roller and preparation method thereof solves the above problems.The structure of the alloy is improved by controlling the mass ratio of C/Si, passes through C/Si And the combination of metal improves the high-temperature stability of Roll Collar, carries out coating on the surface of high speed wire rod finishing block Roll Collar Sprayed coating processing, then Nitrizing Treatment is carried out on the coating sprayed coating treated Roll Collar.
To achieve the goals above, technical scheme is as follows:
A kind of high speed wire rod finishing block Roll Collar, which is characterized in that the Roll Collar include C, W, V, Cr, B, Si, Re, Sc, Zr, Cu, Ti, S, P and Fe, the Roll Collar are made of the chemical component of following weight percents: C 2.5~ 3.2%;W 4.0~5.0%;V 2.6~3.3%;Cr 10.0~12.5%;B 0.1~0.3%;Si 2.5~3.2%; Re 0.3~0.5%;Sc:0.02~0.05%;Zr:0.02~0.05%;Cu 0.02~0.12%;Ti 0.08~ 0.15%;S 0.01~0.06%;P 0.01~0.06%, surplus are Fe and inevitable trace impurity, also, C/Si Mass ratio be 1:1.
Preferably, the Roll Collar is made of the chemical component of following weight percents: C 2.5~3.2%;W 4.0~5.0%;V 2.6~3.3%;Cr 10.0~12.5%;B 0.1~0.3%;Si 2.5~3.2%;Re 0.3~ 0.5%;Cu 0.02~0.12%;Ti 0.08~0.15%;S 0.01~0.06%;P 0.01~0.06%, surplus Fe With inevitable trace impurity, also, the mass ratio of C/Si be 1:1.
A kind of preparation method of high speed wire rod finishing block Roll Collar, includes the following steps:
Step S1: ordinary scrap steel, the pig iron, ferrotungsten, vanadium iron, ferrochrome, ferro-boron, ferrosilicon and manganese iron Hybrid Heating are molten into Molten steel is stand-by;
Step S2: above-mentioned mixing molten steel heating temperature is risen to 1800 DEG C, deoxidier aluminium is added, then comes out of the stove;
Copper and iron, rare earth rhenium iron and ferrotianium: being crushed to the fritter of granularity 12-18mm by step S3, then by Sc powder and Al powder Be added thereto uniformly mixed, after mixture is dried at 260 DEG C, be placed in casting ladle bottom, using poured in packet method to molten steel into Row compound modification treatment;
Step S4: it is poured Roll Collar with cured mould casting method or lost-foam casting method, pouring molten steel temperature is 1455 DEG C~1480 DEG C;
Step S5: the Roll Collar of casting is made annealing treatment after polishing cleaning, technique is 800 DEG C~870 4h~5h is kept the temperature at DEG C, furnace is cold or air-cooled after being then furnace-cooled to 540 DEG C;
Step S6: after Roll Collar is carried out roughing, then means of isothermal quenching is carried out, technique is in electric furnace or salt bath 1000 DEG C~1050 DEG C are heated in furnace, after keeping the temperature 3.5h~4.5h, the isothermal directly in 350 DEG C~400 DEG C of salt bath 4.5h~5.5h, it is then air-cooled;Then carry out tempering, technique is the then furnace in 600 DEG C~620 DEG C heat preservation 5h~8h It is cold or air-cooled, it is tempered under identical technique twice, is finally finished.
Preferably, carrying out coating sprayed coating processing and Nitrizing Treatment to the Roll Collar processed in above-mentioned steps S6.
Preferably, the coated substrate of coating sprayed coating processing is 1Cr18Mn8Ni5N stainless steel wire, WC powder, Re and Zr powder.
Preferably, the Nitrizing Treatment carries out after coating sprayed coating processing, the Nitrizing Treatment mode is by guide and guard Roller is put into nitriding furnace, is heated, air-discharging, is repeated 3-5 times.
A kind of high speed wire rod finishing block Roll Collar of the invention and preparation method thereof, compared with prior art,
(1) present invention is by the way that addition during the preparation process can not only effectively simultaneously diffusion-precipitation be strengthened for refining eutectic group Phase, while Sc is able to participate in the forming process of High Temperature SiC phase, and then influences its form and distribution.Therefore, the addition of Sc The hardness and tensile strength of alloy, especially its Testing Tensile Strength at Elevated Temperature can be effectively improved.The addition of Zr and Sc enhances Sc The effect of refining eutectic group reduces the Sc content needed for particle containing Sc is precipitated, so that sc be made to participate in the shapes of more SiC phases At process;
(2) high speed wire rod finishing block of the invention improves the alloy by controlling the mass ratio of C/Si with Roll Collar Structure improves the high-temperature stability of Roll Collar by the combination of C/Si and metal;
(3) present invention carries out coating sprayed coating processing on the surface of high speed wire rod finishing block Roll Collar, to improve the table The wearability in face, then Nitrizing Treatment is carried out on the coating sprayed coating treated Roll Collar, Roll Collar is improved by Nitrizing Treatment Surface refractory and wearability.
Specific embodiment
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable Embodiment cooperate detailed description, be described as follows:
Embodiment 1
A kind of high speed wire rod finishing block Roll Collar, which is characterized in that the Roll Collar include C, W, V, Cr, B, Si, Re, Sc, Zr, Cu, Ti, S, P and Fe, Roll Collar are made of the chemical component of following weight percents: C 2.5%;W 4.0%; V 2.6%;Cr 10.0%;B 0.1%;Si 2.5%;Re 0.3%;Cu 0.02%;Ti 0.08%;S 0.01%;P 0.01%, surplus is Fe and inevitable trace impurity, also, the mass ratio of C/Si is 1:1.
A kind of preparation method of high speed wire rod finishing block Roll Collar, includes the following steps:
Step S1: ordinary scrap steel, the pig iron, ferrotungsten, vanadium iron, ferrochrome, ferro-boron, ferrosilicon and manganese iron Hybrid Heating are molten into Molten steel is stand-by;
Step S2: above-mentioned mixing molten steel heating temperature is risen to 1800 DEG C, deoxidier aluminium is added, then comes out of the stove;
Copper and iron, rare earth rhenium iron and ferrotianium: being crushed to the fritter of granularity 12-18mm by step S3, then by Sc powder and Al powder Be added thereto uniformly mixed, after mixture is dried at 260 DEG C, be placed in casting ladle bottom, using poured in packet method to molten steel into Row compound modification treatment;
Step S4: it is poured Roll Collar with cured mould casting method or lost-foam casting method, pouring molten steel temperature is 1455 DEG C~1480 DEG C;
Step S5: the Roll Collar of casting is made annealing treatment after polishing cleaning, technique is 800 DEG C~870 4h~5h is kept the temperature at DEG C, furnace is cold or air-cooled after being then furnace-cooled to 540 DEG C;
Step S6: after Roll Collar is carried out roughing, then means of isothermal quenching is carried out, technique is in electric furnace or salt bath 1000 DEG C~1050 DEG C are heated in furnace, after keeping the temperature 3.5h~4.5h, the isothermal directly in 350 DEG C~400 DEG C of salt bath 4.5h~5.5h, it is then air-cooled;Then carry out tempering, technique is the then furnace in 600 DEG C~620 DEG C heat preservation 5h~8h It is cold or air-cooled, it is tempered under identical technique twice, is finally finished.
Wherein, the Roll Collar processed carries out coating sprayed coating processing and Nitrizing Treatment.
Wherein, the coated substrate of coating sprayed coating processing is 1Cr18Mn8Ni5N stainless steel wire, WC powder, Re and Zr powder.
Wherein, Nitrizing Treatment carries out after coating sprayed coating processing, and Nitrizing Treatment mode is that Roll Collar is put into nitriding It in furnace, is heated, air-discharging, is repeated 3-5 times.
Embodiment 2
A kind of high speed wire rod finishing block Roll Collar, which is characterized in that the Roll Collar include C, W, V, Cr, B, Si, Re, Sc, Zr, Cu, Ti, S, P and Fe, Roll Collar are made of the chemical component of following weight percents: C 2.7%;W 4.3%; V 2.8%;Cr 11.0%;B 0.2%;Si 2.7%;Re 0.4%;Cu 0.06%;Ti 0.10%;S 0.03%;P 0.03%, surplus is Fe and inevitable trace impurity, also, the mass ratio of C/Si is 1:1.
A kind of preparation method of high speed wire rod finishing block Roll Collar, includes the following steps:
Step S1: ordinary scrap steel, the pig iron, ferrotungsten, vanadium iron, ferrochrome, ferro-boron, ferrosilicon and manganese iron Hybrid Heating are molten into Molten steel is stand-by;
Step S2: above-mentioned mixing molten steel heating temperature is risen to 1800 DEG C, deoxidier aluminium is added, then comes out of the stove;
Copper and iron, rare earth rhenium iron and ferrotianium: being crushed to the fritter of granularity 12-18mm by step S3, then by Sc powder and Al powder Be added thereto uniformly mixed, after mixture is dried at 260 DEG C, be placed in casting ladle bottom, using poured in packet method to molten steel into Row compound modification treatment;
Step S4: it is poured Roll Collar with cured mould casting method or lost-foam casting method, pouring molten steel temperature is 1455 DEG C~1480 DEG C;
Step S5: the Roll Collar of casting is made annealing treatment after polishing cleaning, technique is 800 DEG C~870 4h~5h is kept the temperature at DEG C, furnace is cold or air-cooled after being then furnace-cooled to 540 DEG C;
Step S6: after Roll Collar is carried out roughing, then means of isothermal quenching is carried out, technique is in electric furnace or salt bath 1000 DEG C~1050 DEG C are heated in furnace, after keeping the temperature 3.5h~4.5h, the isothermal directly in 350 DEG C~400 DEG C of salt bath 4.5h~5.5h, it is then air-cooled;Then carry out tempering, technique is the then furnace in 600 DEG C~620 DEG C heat preservation 5h~8h It is cold or air-cooled, it is tempered under identical technique twice, is finally finished.
Wherein, the Roll Collar processed carries out coating sprayed coating processing and Nitrizing Treatment.
Wherein, the coated substrate of coating sprayed coating processing is 1Cr18Mn8Ni5N stainless steel wire, WC powder, Re and Zr powder.
Wherein, Nitrizing Treatment carries out after coating sprayed coating processing, and Nitrizing Treatment mode is that Roll Collar is put into nitriding It in furnace, is heated, air-discharging, is repeated 3-5 times.
Embodiment 3
A kind of high speed wire rod finishing block Roll Collar, which is characterized in that the Roll Collar include C, W, V, Cr, B, Si, Re, Sc, Zr, Cu, Ti, S, P and Fe, Roll Collar are made of the chemical component of following weight percents: C 3.0%;W 4.7%; V 3.0%;Cr 12.0%;B 0.2%;Si 3.0%;Re 0.4%;Cu 0.10%;Ti 0.12%;S 0.04%;P 0.04%, surplus is Fe and inevitable trace impurity, also, the mass ratio of C/Si is 1:1.
A kind of preparation method of high speed wire rod finishing block Roll Collar, includes the following steps:
Step S1: ordinary scrap steel, the pig iron, ferrotungsten, vanadium iron, ferrochrome, ferro-boron, ferrosilicon and manganese iron Hybrid Heating are molten into Molten steel is stand-by;
Step S2: above-mentioned mixing molten steel heating temperature is risen to 1800 DEG C, deoxidier aluminium is added, then comes out of the stove;
Copper and iron, rare earth rhenium iron and ferrotianium: being crushed to the fritter of granularity 12-18mm by step S3, then by Sc powder and Al powder Be added thereto uniformly mixed, after mixture is dried at 260 DEG C, be placed in casting ladle bottom, using poured in packet method to molten steel into Row compound modification treatment;
Step S4: it is poured Roll Collar with cured mould casting method or lost-foam casting method, pouring molten steel temperature is 1455 DEG C~1480 DEG C;
Step S5: the Roll Collar of casting is made annealing treatment after polishing cleaning, technique is 800 DEG C~870 4h~5h is kept the temperature at DEG C, furnace is cold or air-cooled after being then furnace-cooled to 540 DEG C;
Step S6: after Roll Collar is carried out roughing, then means of isothermal quenching is carried out, technique is in electric furnace or salt bath 1000 DEG C~1050 DEG C are heated in furnace, after keeping the temperature 3.5h~4.5h, the isothermal directly in 350 DEG C~400 DEG C of salt bath 4.5h~5.5h, it is then air-cooled;Then carry out tempering, technique is the then furnace in 600 DEG C~620 DEG C heat preservation 5h~8h It is cold or air-cooled, it is tempered under identical technique twice, is finally finished.
Wherein, the Roll Collar processed carries out coating sprayed coating processing and Nitrizing Treatment.
Wherein, the coated substrate of coating sprayed coating processing is 1Cr18Mn8Ni5N stainless steel wire, WC powder, Re and Zr powder.
Wherein, Nitrizing Treatment carries out after coating sprayed coating processing, and Nitrizing Treatment mode is that Roll Collar is put into nitriding It in furnace, is heated, air-discharging, is repeated 3-5 times.
Embodiment 4
A kind of high speed wire rod finishing block Roll Collar, which is characterized in that the Roll Collar include C, W, V, Cr, B, Si, Re, Sc, Zr, Cu, Ti, S, P and Fe, Roll Collar are made of the chemical component of following weight percents: C 3.2%;W 5.0%; V 3.3%;Cr 12.5%;B 0.3%;Si 3.2%;Re 0.5%;Cu 0.12%;Ti 0.15%;S 0.06%;P 0.06%, surplus is Fe and inevitable trace impurity, also, the mass ratio of C/Si is 1:1.
A kind of preparation method of high speed wire rod finishing block Roll Collar, includes the following steps:
Step S1: ordinary scrap steel, the pig iron, ferrotungsten, vanadium iron, ferrochrome, ferro-boron, ferrosilicon and manganese iron Hybrid Heating are molten into Molten steel is stand-by;
Step S2: above-mentioned mixing molten steel heating temperature is risen to 1800 DEG C, deoxidier aluminium is added, then comes out of the stove;
Copper and iron, rare earth rhenium iron and ferrotianium: being crushed to the fritter of granularity 12-18mm by step S3, then by Sc powder and Al powder Be added thereto uniformly mixed, after mixture is dried at 260 DEG C, be placed in casting ladle bottom, using poured in packet method to molten steel into Row compound modification treatment;
Step S4: it is poured Roll Collar with cured mould casting method or lost-foam casting method, pouring molten steel temperature is 1455 DEG C~1480 DEG C;
Step S5: the Roll Collar of casting is made annealing treatment after polishing cleaning, technique is 800 DEG C~870 4h~5h is kept the temperature at DEG C, furnace is cold or air-cooled after being then furnace-cooled to 540 DEG C;
Step S6: after Roll Collar is carried out roughing, then means of isothermal quenching is carried out, technique is in electric furnace or salt bath 1000 DEG C~1050 DEG C are heated in furnace, after keeping the temperature 3.5h~4.5h, the isothermal directly in 350 DEG C~400 DEG C of salt bath 4.5h~5.5h, it is then air-cooled;Then carry out tempering, technique is the then furnace in 600 DEG C~620 DEG C heat preservation 5h~8h It is cold or air-cooled, it is tempered under identical technique twice, is finally finished.
Wherein, the Roll Collar processed carries out coating sprayed coating processing and Nitrizing Treatment.
Wherein, the coated substrate of coating sprayed coating processing is 1Cr18Mn8Ni5N stainless steel wire, WC powder, Re and Zr powder.
Wherein, Nitrizing Treatment carries out after coating sprayed coating processing, and Nitrizing Treatment mode is that Roll Collar is put into nitriding It in furnace, is heated, air-discharging, is repeated 3-5 times.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and Its equivalent defines.

Claims (6)

1. a kind of high speed wire rod finishing block Roll Collar, which is characterized in that the Roll Collar include C, W, V, Cr, B, Si, Re, Sc, Zr, Cu, Ti, S, P and Fe, the Roll Collar are made of the chemical component of following weight percents: C 2.5~3.2%;W 4.0~5.0%;V 2.6~3.3%;Cr 10.0~12.5%;B 0.1~0.3%;Si 2.5~3.2%;Re 0.3~ 0.5%;Sc:0.02~0.05%;Zr:0.02~0.05%;Cu 0.02~0.12%;Ti 0.08~0.15%;S 0.01 ~0.06%;P 0.01~0.06%, surplus is Fe and inevitable trace impurity, also, the mass ratio of C/Si is 1:1.
2. a kind of high speed wire rod finishing block Roll Collar according to claim 1, it is characterised in that: the Roll Collar by The chemical component of following weight percents forms: C 2.5~3.2%;W 4.0~5.0%;V 2.6~3.3%;Cr 10.0~ 12.5%;B 0.1~0.3%;Si 2.5~3.2%;Re 0.3~0.5%;Cu 0.02~0.12%;Ti 0.08~ 0.15%;S 0.01~0.06%;P 0.01~0.06%, surplus are Fe and inevitable trace impurity, also, C/Si Mass ratio is 1:1.
3. a kind of preparation method of high speed wire rod finishing block Roll Collar according to claim 1, it is characterised in that: including Following steps:
Step S1: ordinary scrap steel, the pig iron, ferrotungsten, vanadium iron, ferrochrome, ferro-boron, ferrosilicon and manganese iron Hybrid Heating are molten into molten steel and waited for With;
Step S2: above-mentioned mixing molten steel heating temperature is risen to 1800 DEG C, deoxidier aluminium is added, then comes out of the stove;
Copper and iron, rare earth rhenium iron and ferrotianium: being crushed to the fritter of granularity 12-18mm by step S3, and then Sc powder and Al powder are added It is wherein uniformly mixed, after mixture is dried at 260 DEG C, is placed in casting ladle bottom, molten steel is answered using method is poured in packet Close Metamorphism treatment;
Step S4: it is poured Roll Collar with cured mould casting method or lost-foam casting method, pouring molten steel temperature is 1455 DEG C ~1480 DEG C;
Step S5: the Roll Collar of casting is made annealing treatment after polishing cleaning, technique is at 800 DEG C~870 DEG C 4h~5h is kept the temperature, furnace is cold or air-cooled after being then furnace-cooled to 540 DEG C;
Step S6: after Roll Collar is carried out roughing, then carrying out means of isothermal quenching, and technique is added in electric furnace or salt bath furnace Heat to 1000 DEG C~1050 DEG C, keep the temperature 3.5h~4.5h after, directly in 350 DEG C~400 DEG C of salt bath isothermal 4.5h~ 5.5h, it is then air-cooled;Tempering is then carried out, technique is in 600 DEG C~620 DEG C heat preservation 5h~8h, and then furnace is cold or empty It is cold, it is tempered under identical technique twice, is finally finished.
4. a kind of preparation method of high speed wire rod finishing block Roll Collar according to claim 3, it is characterised in that: to upper It states the Roll Collar processed in step S6 and carries out coating sprayed coating processing and Nitrizing Treatment.
5. a kind of preparation method of high speed wire rod finishing block Roll Collar according to claim 3, it is characterised in that: described The coated substrate of coating sprayed coating processing is 1Cr18Mn8Ni5N stainless steel wire, WC powder, Re and Zr powder.
6. a kind of preparation method of high speed wire rod finishing block Roll Collar according to claim 3, it is characterised in that: described Nitrizing Treatment carries out after coating sprayed coating processing, and the Nitrizing Treatment mode is that Roll Collar is put into nitriding furnace, carries out Heating, air-discharging repeat 3-5 times.
CN201810917134.8A 2018-08-13 2018-08-13 A kind of high speed wire rod finishing block Roll Collar and preparation method thereof Pending CN109136730A (en)

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CN1847439A (en) * 2006-04-30 2006-10-18 郑州航空工业管理学院 Guide and guard roller for guiding steel billet in high speed wire rolling machine and its making process
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CN106086695A (en) * 2016-08-19 2016-11-09 合肥东方节能科技股份有限公司 A kind of for milling train high hardness wear-resisting guide and guard and preparation method thereof
CN106222579A (en) * 2016-08-19 2016-12-14 合肥东方节能科技股份有限公司 A kind of high speed wire rod finishing block Roll Collar and preparation method thereof
CN106222580A (en) * 2016-08-22 2016-12-14 合肥东方节能科技股份有限公司 A kind of high finishing mill slitting wheel alloy material and preparation method thereof

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CN101596553A (en) * 2009-06-26 2009-12-09 北京工业大学 A kind of high speed steel roll collar and manufacture method thereof that is applied to high-speed rod-rolling mill
CN103160750A (en) * 2013-03-16 2013-06-19 安徽厚林精密金属科技有限公司 Homogenizing guide roller for rods/wires and processing technique thereof
CN106086695A (en) * 2016-08-19 2016-11-09 合肥东方节能科技股份有限公司 A kind of for milling train high hardness wear-resisting guide and guard and preparation method thereof
CN106222579A (en) * 2016-08-19 2016-12-14 合肥东方节能科技股份有限公司 A kind of high speed wire rod finishing block Roll Collar and preparation method thereof
CN106222580A (en) * 2016-08-22 2016-12-14 合肥东方节能科技股份有限公司 A kind of high finishing mill slitting wheel alloy material and preparation method thereof

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