CN107447096A - A kind of heat treatment method of non-ferrous metal hot roll - Google Patents
A kind of heat treatment method of non-ferrous metal hot roll Download PDFInfo
- Publication number
- CN107447096A CN107447096A CN201710864020.7A CN201710864020A CN107447096A CN 107447096 A CN107447096 A CN 107447096A CN 201710864020 A CN201710864020 A CN 201710864020A CN 107447096 A CN107447096 A CN 107447096A
- Authority
- CN
- China
- Prior art keywords
- roll
- heat treatment
- ferrous metal
- temperature
- treatment method
- 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
Classifications
-
- 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
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/28—Normalising
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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 Articles (AREA)
Abstract
The invention discloses a kind of heat treatment method of non-ferrous metal hot roll, it is related to metal working technical area, comprises the following steps：1) preheat：After roll is stripped sand removal, roll is placed in high temperature furnace and carries out the pre-heat treatment；2) secondary normalizing；3) quench：Double frequency induction is carried out to roll working surface, the type of cooling is oil cooling and the combination of air cooling；4) it is tempered；5) anneal.The heat treatment method of the non-ferrous metal hot roll of the present invention is simple and easy, non-ferrous metal hot roll after processing has high intensity, good hot-cracking resistance and electrochemical corrosion resistant performance, and possess excellent anti-accident, fatigue resistance and wearability, so as to meet the requirement of actual production and application, the service life of non-ferrous metal hot roll is effectively extended, improves production efficiency and economic benefit.
Description
Technical field
The present invention relates to metal working technical area, and in particular to a kind of heat treatment method of non-ferrous metal hot roll.
Background technology
Roll is the strength member on steel rolling mill's rolling mill, is the important consumption portion for determining rolling mill efficiency and mill bar quality
Part.Roll rolls rolloff part using pressure caused by a pair or one group of roll rolling, produces rolled piece and is plastically deformed and obtains
Preferable design shape, therefore, the quality of roll quality are directly connected to the surface quality of rolled products and the production of rolling mill
Operating rate.It is primarily subjected to Dynamic And Static Loads during rolling, abrasion and the influence of temperature change.
According to the difference of working condition, roll is generally divided into cold roll and hot roll.Wherein, hot roll generally cogging,
Used in the processing such as slab, shaped steel.In the hot rolling, roll bears powerful roll-force, violent abrasion and heat fatigue
Influence, and hot roll works at high temperature, and the temperature of rolled material may be up to 1000 DEG C or more than 1000 DEG C, so system
Enough hardness must be had with wear-resistant by making the material of roll, with enough intensity to keep its size shape, also simultaneously
There must be enough toughness with heat shock resistance and to prevent hot tearing.Therefore, the heat treatment of non-ferrous metal hot roll becomes particularly to weigh
Will, further to improve hot roll service life, hot-rolled product production cost is reduced, it is necessary to further improve and optimizate hot roll
Constituent and processing technology, and it is cracked in heat treatment process and scrap and make product strength, wear-resisting because cooling down deficiency
Property, the problem of toughness is relatively low be the FAQs for being heat-treated work, be again therebetween conflicting, it is difficult to take into account simultaneously.
The content of the invention
For problems of the prior art, the invention provides a kind of heat treatment method of non-ferrous metal hot roll,
This kind of heat treatment method is simple and easy, and the non-ferrous metal hot roll after processing has high intensity, good hot-cracking resistance and resistance to electricity
Chemical corrosion resistance, and possess excellent anti-accident, fatigue resistance and wearability, so as to meet making for actual production and application
With requiring, the service life of non-ferrous metal hot roll is effectively extended, improves production efficiency and economic benefit.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of heat treatment method of non-ferrous metal hot roll, is followed the steps below：
(1) preheat：After roll is stripped sand removal, roll is placed in high temperature furnace and carries out the pre-heat treatment；
(2) secondary normalizing；First time normalizing is warming up to 560~600 DEG C, is incubated 1-2h, is air-cooled to 420~460 DEG C afterwards
It is incubated 30-40min；Heating carries out second of normalizing again, rises to 720~780 DEG C with 10-20 DEG C/min heating rate, protects
Warm 2-3h, 420~460 DEG C of insulation 25-35min are air-cooled to afterwards；
(3) quench：Double frequency induction is carried out to roll working surface, hardening heat is 780~820 DEG C, the type of cooling
For oil cooling and the combination of air cooling；
(4) it is tempered：It is 340~380 DEG C of insulation 2-4h that roll, which is delivered in tempering furnace in temperature, continues heating and carries out height
Temperature tempering；High tempering temperature is 660~740 DEG C, is incubated after 1-2h and is air-cooled to 100-200 DEG C of temperature with stove, comes out of the stove；
(5) anneal：Finally roll is delivered in Muffle furnace and is first warming up to 380~420 DEG C, after being incubated 2-4h, continues to rise
Temperature is incubated 4-6h, room temperature is air-cooled to stove to 580~620 DEG C of annealing temperature.
Preferably, the chemical constituent of the roll and its weight percentage are C：0.60~1.20%, Si：0.50~
0.90%th, Mn：0.40~0.80%, Cr：2.40~3.80%, Ni：0.30~0.70%, Ti：0.80~1.20%, Nb：
0.20~0.60%, P≤0.030%, S≤0.025%, remaining is Fe and inevitable impurity.
Further, the chemical constituent of the roll and its weight percentage are C：0.80~1.00%, Si：0.60~
0.80%th, Mn：0.50~0.70%, Cr：2.80~3.40%, Ni：0.40~0.60%, Ti：0.90~1.10%, Nb：
0.30~0.50%, P≤0.025%, S≤0.020%, remaining is Fe and inevitable impurity.
Further, the chemical constituent of the roll and its weight percentage are C：0.90%th, Si：0.70%th, Mn：
0.60%th, Cr：3.10%th, Ni：0.50%th, Ti：1.00%th, Nb：0.40%th, P≤0.020%, S≤0.015%, remaining is Fe
With inevitable impurity.
Further, in step (1), the temperature of the pre-heat treatment is 360~420 DEG C, and heating rate is 10~20
DEG C/min, preheating time 20-30min.
Further, in step (3), the quenching cooling step is：Roll is first cooled to temperature using quenching oil
For 360~520 DEG C, subsequent 150~250 DEG C of air cooling.
Further, the temperature of the quenching oil is 25~35 DEG C, and quenching oil pressure is 0.20~0.40MPa.
Further, in step (5), the heating rate of the annealing is 15~25 DEG C/min.
The present invention has following beneficial effect：
(1) heat treatment method of non-ferrous metal hot roll of the invention is simple and easy, passes through the constituent to hot roll
Optimization and Technology for Heating Processing improvement, preheated-secondary normalizing-quenching (combination is quenched)-tempering and high tempering-annealing etc. step
Hot roll after rapid processing, there is high intensity, good hot-cracking resistance and electrochemical corrosion resistant performance, the present invention is also at utmost
Hot roll matrix alloy solid solubility and structure stability are improved, structural stress, the thermal stress of hot roll is eliminated, has roll
Standby excellent anti-accident, fatigue resistance and wearability, so as to meet the requirement of actual production and application, effectively extend
The service life of non-ferrous metal hot roll, improves production efficiency and economic benefit；
(2) present invention is reduced while shortening the cool time and is quenched to by the way of oil cooling and air cooling combination are quenched
This, go forward side by side step refining and even grained, farthest improves grain size, and prepare good tissue for the heat treatment of postorder
Condition, and then obtain preferably tissue and higher hardness.
Embodiment
The embodiment of the present invention is further described with reference to embodiment, following examples are only used for more
Clearly demonstrate technical scheme, and can not be limited the scope of the invention with this.
Embodiment 1
A kind of heat treatment method of non-ferrous metal hot roll, is followed the steps below：
(1) preheat：After roll is stripped sand removal, roll is delivered in high temperature furnace and carries out the pre-heat treatment, the pre-heat treatment
Temperature is 360 DEG C, and heating rate is 10 DEG C/min, preheating time 20min；
The chemical constituent and its weight percentage of above-mentioned roll are C：0.60%th, Si：0.50%th, Mn：0.40%th, Cr：
2.40%th, Ni：0.30%th, Ti：0.80%th, Nb：0.20%th, P≤0.030%, S≤0.025%, remaining is for Fe and unavoidably
Impurity；
(2) secondary normalizing；Roll after preheating is delivered in car-type normalizing furnace and carries out normalized treatment, first time normalizing
560 DEG C are warming up to, is incubated 1h, is air-cooled to 420 DEG C of insulation 30min afterwards；Heating carries out second of normalizing again, with 10 DEG C/min
Heating rate rise to 720 DEG C, be incubated 2h, be air-cooled to 420 DEG C of insulation 25min afterwards；
(3) quench：Double frequency induction is carried out to roll working surface again, hardening heat is 780 DEG C, and the type of cooling is oil
The cold and combination of air cooling, the quenching cooling step are：First quenching oil is used to be cooled to temperature as 360 DEG C on roll, subsequent air cooling
150 DEG C, wherein, for the temperature control of quenching oil at 25 DEG C, quenching oil pressure is set as 0.20MPa；
(4) it is tempered：It is 340 DEG C of insulation 2h that roll, which is delivered in tempering furnace in temperature, continues heating and carries out high tempering；
High tempering temperature is 660 DEG C, is incubated after 1h and is air-cooled to 100 DEG C of temperature with stove, comes out of the stove；
(5) anneal：Finally roll is delivered in Muffle furnace furnace temperature is risen to 380 DEG C with 15 DEG C/min heating rate,
After being incubated 2h, 580 DEG C of annealing temperature is continuously heating to, 4h is incubated, is air-cooled to room temperature with stove and completes to non-ferrous metal hot roll
Heat treatment work.
Embodiment 2
A kind of heat treatment method of non-ferrous metal hot roll, is followed the steps below：
(1) preheat：After roll is stripped sand removal, roll is delivered in high temperature furnace and carries out the pre-heat treatment, the pre-heat treatment
Temperature is 390 DEG C, and heating rate is 15 DEG C/min, preheating time 25min；
The chemical constituent and its weight percentage of above-mentioned roll are C：0.80%th, Si：0.60%th, Mn：0.50%th, Cr：
2.80%th, Ni：0.40%th, Ti：0.90%th, Nb：0.30%th, P≤0.025%, S≤0.020%, remaining is for Fe and unavoidably
Impurity；
(2) secondary normalizing；Roll after preheating is delivered in car-type normalizing furnace and carries out normalized treatment, first time normalizing
570 DEG C are warming up to, is incubated 1.2h, is air-cooled to 430 DEG C of insulation 35min afterwards；Again heating carry out second of normalizing, with 15 DEG C/
Min heating rate rises to 740 DEG C, is incubated 2.2h, is air-cooled to 430 DEG C of insulation 30min afterwards；
(3) quench：Double frequency induction is carried out to roll working surface again, hardening heat is 790 DEG C, and the type of cooling is oil
The cold and combination of air cooling, the quenching cooling step are：First quenching oil is used to be cooled to temperature as 400 DEG C on roll, subsequent air cooling
180 DEG C, wherein, for the temperature control of quenching oil at 28 DEG C, quenching oil pressure is set as 0.25MPa；
(4) it is tempered：It is 350 DEG C of insulation 2.5h that roll, which is delivered in tempering furnace in temperature, continues heating and carries out high temperature time
Fire；High tempering temperature is 680 DEG C, is incubated after 1.5h and is air-cooled to 120 DEG C of temperature with stove, comes out of the stove；
(5) anneal：Finally roll is delivered in Muffle furnace furnace temperature is risen to 390 DEG C with 20 DEG C/min heating rate,
After being incubated 2.5h, 590 DEG C of annealing temperature is continuously heating to, is incubated 4.5h, being air-cooled to room temperature with stove completes to non-ferrous metal heat
The heat treatment work of roll.
Embodiment 3
A kind of heat treatment method of non-ferrous metal hot roll, is followed the steps below：
(1) preheat：After roll is stripped sand removal, roll is delivered in high temperature furnace and carries out the pre-heat treatment, the pre-heat treatment
Temperature is 390 DEG C, and heating rate is 15 DEG C/min, preheating time 25min；
The chemical constituent and its weight percentage of above-mentioned roll are C：0.90%th, Si：0.70%th, Mn：0.60%th, Cr：
3.10%th, Ni：0.50%th, Ti：1.00%th, Nb：0.40%th, P≤0.020%, S≤0.015%, remaining is for Fe and unavoidably
Impurity；
(2) secondary normalizing；Roll after preheating is delivered in car-type normalizing furnace and carries out normalized treatment, first time normalizing
580 DEG C are warming up to, is incubated 1.5h, is air-cooled to 440 DEG C of insulation 35min afterwards；Again heating carry out second of normalizing, with 15 DEG C/
Min heating rate rises to 750 DEG C, is incubated 2.5h, is air-cooled to 440 DEG C of insulation 30min afterwards；
(3) quench：Double frequency induction is carried out to roll working surface again, hardening heat is 800 DEG C, and the type of cooling is oil
The cold and combination of air cooling, the quenching cooling step are：First quenching oil is used to be cooled to temperature as 450 DEG C on roll, subsequent air cooling
200 DEG C, wherein, for the temperature control of quenching oil at 30 DEG C, quenching oil pressure is set as 0.30MPa；
(4) it is tempered：It is 360 DEG C of insulation 3h that roll, which is delivered in tempering furnace in temperature, continues heating and carries out high tempering；
High tempering temperature is 700 DEG C, is incubated after 1.5h and is air-cooled to 150 DEG C of temperature with stove, comes out of the stove；
(5) anneal：Finally roll is delivered in Muffle furnace furnace temperature is risen to 400 DEG C with 20 DEG C/min heating rate,
After being incubated 3h, 600 DEG C of annealing temperature is continuously heating to, 5h is incubated, is air-cooled to room temperature with stove and completes to non-ferrous metal hot roll
Heat treatment work.
Embodiment 4
A kind of heat treatment method of non-ferrous metal hot roll, is followed the steps below：
(1) preheat：After roll is stripped sand removal, roll is delivered in high temperature furnace and carries out the pre-heat treatment, the pre-heat treatment
Temperature is 410 DEG C, and heating rate is 15 DEG C/min, preheating time 25min；
The chemical constituent and its weight percentage of above-mentioned roll are C：1.00%th, Si：0.80%th, Mn：0.70%th, Cr：
3.40%th, Ni：0.60%th, Ti：1.10%th, Nb：0.50%th, P≤0.025%, S≤0.020%, remaining is for Fe and unavoidably
Impurity；
(2) secondary normalizing；Roll after preheating is delivered in car-type normalizing furnace and carries out normalized treatment, first time normalizing
590 DEG C are warming up to, is incubated 1.5h, is air-cooled to 450 DEG C of insulation 35min afterwards；Again heating carry out second of normalizing, with 15 DEG C/
Min heating rate rises to 760 DEG C, is incubated 2.5h, is air-cooled to 450 DEG C of insulation 30min afterwards；
(3) quench：Double frequency induction is carried out to roll working surface again, hardening heat is 810 DEG C, and the type of cooling is oil
The cold and combination of air cooling, the quenching cooling step are：First quenching oil is used to be cooled to temperature as 480 DEG C on roll, subsequent air cooling
220 DEG C, wherein, for the temperature control of quenching oil at 30 DEG C, quenching oil pressure is set as 0.35MPa；
(4) it is tempered：It is 370 DEG C of insulation 3.5h that roll, which is delivered in tempering furnace in temperature, continues heating and carries out high temperature time
Fire；High tempering temperature is 720 DEG C, is incubated after 1.5h and is air-cooled to 180 DEG C of temperature with stove, comes out of the stove；
(5) anneal：Finally roll is delivered in Muffle furnace furnace temperature is risen to 41 DEG C with 20 DEG C/min heating rate, protected
After warm 3.5h, 610 DEG C of annealing temperature is continuously heating to, 5.5h is incubated, is air-cooled to room temperature with stove and completes to non-ferrous metal hot rolling
The heat treatment work of roller.
Embodiment 5
A kind of heat treatment method of non-ferrous metal hot roll, is followed the steps below：
(1) preheat：After roll is stripped sand removal, roll is delivered in high temperature furnace and carries out the pre-heat treatment, the pre-heat treatment
Temperature is 420 DEG C, and heating rate is 20 DEG C/min, preheating time 30min；
The chemical constituent and its weight percentage of above-mentioned roll are C：1.20%th, Si：0.90%th, Mn：0.80%th, Cr：
3.80%th, Ni：0.70%th, Ti：1.20%th, Nb：0.60%th, P≤0.030%, S≤0.025%, remaining is for Fe and unavoidably
Impurity；
(2) secondary normalizing；Roll after preheating is delivered in car-type normalizing furnace and carries out normalized treatment, first time normalizing
600 DEG C are warming up to, is incubated 2h, is air-cooled to 460 DEG C of insulation 40min afterwards；Heating carries out second of normalizing again, with 20 DEG C/min
Heating rate rise to 780 DEG C, be incubated 3h, be air-cooled to 460 DEG C of insulation 35min afterwards；
(3) quench：Double frequency induction is carried out to roll working surface again, hardening heat is 820 DEG C, and the type of cooling is oil
The cold and combination of air cooling, the quenching cooling step are：First quenching oil is used to be cooled to temperature as 520 DEG C on roll, subsequent air cooling
250 DEG C, wherein, for the temperature control of quenching oil at 35 DEG C, quenching oil pressure is set as 0.40MPa；
(4) it is tempered：It is 380 DEG C of insulation 4h that roll, which is delivered in tempering furnace in temperature, continues heating and carries out high tempering；
High tempering temperature is 740 DEG C, is incubated after 2h and is air-cooled to 200 DEG C of temperature with stove, comes out of the stove；
(5) anneal：Finally roll is delivered in Muffle furnace furnace temperature is risen to 420 DEG C with 25 DEG C/min heating rate,
After being incubated 4h, 620 DEG C of annealing temperature is continuously heating to, 6h is incubated, is air-cooled to room temperature with stove and completes to non-ferrous metal hot roll
Heat treatment work.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (8)
1. a kind of heat treatment method of non-ferrous metal hot roll, it is characterised in that comprise the following steps：
(1) preheat：After roll is stripped sand removal, roll is placed in high temperature furnace and carries out the pre-heat treatment；
(2) secondary normalizing；First time normalizing is warming up to 560~600 DEG C, is incubated 1-2h, is air-cooled to 420~460 DEG C of insulations afterwards
30-40min；Heating carries out second of normalizing again, rises to 720~780 DEG C with 10-20 DEG C/min heating rate, is incubated 2-
3h, 420~460 DEG C of insulation 25-35min are air-cooled to afterwards；
(3) quench：Double frequency induction is carried out to roll working surface, hardening heat is 780~820 DEG C, and the type of cooling is oil
The cold and combination of air cooling；
(4) it is tempered：It is 340~380 DEG C of insulation 2-4h that roll, which is delivered in tempering furnace in temperature, continues heating and carries out high temperature time
Fire；High tempering temperature is 660~740 DEG C, is incubated after 1-2h and is air-cooled to 100-200 DEG C of temperature with stove, comes out of the stove；
(5) anneal：Finally roll is delivered in Muffle furnace and is first warming up to 380~420 DEG C, after being incubated 2-4h, is continuously heating to
580~620 DEG C of annealing temperature, 4-6h is incubated, room temperature is air-cooled to stove.
2. the heat treatment method of a kind of non-ferrous metal hot roll according to claim 1, it is characterised in that the roll
Chemical constituent and its weight percentage are C：0.60~1.20%, Si：0.50~0.90%, Mn：0.40~0.80%, Cr：
2.40~3.80%, Ni：0.30~0.70%, Ti：0.80~1.20%, Nb：0.20~0.60%, P≤0.030%, S≤
0.025%, remaining is Fe and inevitable impurity.
3. the heat treatment method of a kind of non-ferrous metal hot roll according to claim 2, it is characterised in that the roll
Chemical constituent and its weight percentage are C：0.80~1.00%, Si：0.60~0.80%, Mn：0.50~0.70%, Cr：
2.80~3.40%, Ni：0.40~0.60%, Ti：0.90~1.10%, Nb：0.30~0.50%, P≤0.025%, S≤
0.020%, remaining is Fe and inevitable impurity.
4. the heat treatment method of a kind of non-ferrous metal hot roll according to claim 3, it is characterised in that the roll
Chemical constituent and its weight percentage are C：0.90%th, Si：0.70%th, Mn：0.60%th, Cr：3.10%th, Ni：0.50%th,
Ti：1.00%th, Nb：0.40%th, P≤0.020%, S≤0.015%, remaining is Fe and inevitable impurity.
5. the heat treatment method of a kind of non-ferrous metal hot roll according to claim 1, it is characterised in that in step (1)
In, the temperature of the pre-heat treatment is 360~420 DEG C, and heating rate is 10~20 DEG C/min, preheating time 20-30min.
6. the heat treatment method of a kind of non-ferrous metal hot roll according to claim 1, it is characterised in that in step (3)
In, the quenching cooling step is：First quenching oil is used to be cooled to temperature as 360~520 DEG C on roll, subsequent air cooling 150~
250℃。
A kind of 7. heat treatment method of non-ferrous metal hot roll according to claim 6, it is characterised in that the quenching oil
Temperature be 25~35 DEG C, quenching oil pressure is 0.20~0.40MPa.
8. the heat treatment method of a kind of non-ferrous metal hot roll according to claim 1, it is characterised in that in step (5)
In, the heating rate of the annealing is 15~25 DEG C/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710864020.7A CN107447096B (en) | 2017-09-22 | 2017-09-22 | A kind of heat treatment method of non-ferrous metal hot roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710864020.7A CN107447096B (en) | 2017-09-22 | 2017-09-22 | A kind of heat treatment method of non-ferrous metal hot roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107447096A true CN107447096A (en) | 2017-12-08 |
| CN107447096B CN107447096B (en) | 2019-01-22 |
Family
ID=60496942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710864020.7A Active CN107447096B (en) | 2017-09-22 | 2017-09-22 | A kind of heat treatment method of non-ferrous metal hot roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107447096B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922320A (en) * | 2020-10-14 | 2020-11-13 | 常州凯达重工科技有限公司 | Preparation method of nodular cast iron roller and roller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892374A (en) * | 2010-07-27 | 2010-11-24 | 中钢集团邢台机械轧辊有限公司 | Method for performing heat treatment on high-hardness semisteel roll |
| CN103602798A (en) * | 2013-12-02 | 2014-02-26 | 湖州市银鑫轧辊有限公司 | Method for heat treatment on high-hardness semi-steel roller |
| CN104060125A (en) * | 2014-07-07 | 2014-09-24 | 林娟娟 | Heat treatment method of engine blade |
| CN104264055A (en) * | 2014-09-19 | 2015-01-07 | 山西太钢不锈钢股份有限公司 | Cold roll material and heat treatment method thereof |
-
2017
- 2017-09-22 CN CN201710864020.7A patent/CN107447096B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892374A (en) * | 2010-07-27 | 2010-11-24 | 中钢集团邢台机械轧辊有限公司 | Method for performing heat treatment on high-hardness semisteel roll |
| CN103602798A (en) * | 2013-12-02 | 2014-02-26 | 湖州市银鑫轧辊有限公司 | Method for heat treatment on high-hardness semi-steel roller |
| CN104060125A (en) * | 2014-07-07 | 2014-09-24 | 林娟娟 | Heat treatment method of engine blade |
| CN104264055A (en) * | 2014-09-19 | 2015-01-07 | 山西太钢不锈钢股份有限公司 | Cold roll material and heat treatment method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922320A (en) * | 2020-10-14 | 2020-11-13 | 常州凯达重工科技有限公司 | Preparation method of nodular cast iron roller and roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107447096B (en) | 2019-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101403032B (en) | Thermal treatment process for quick cutting steel composite roll | |
| CN102146547B (en) | Alloy steel roller and manufacturing process thereof | |
| CN102268601B (en) | 50Cr3MoV steel for back-up roll and heat treatment method for steel | |
| CN103981451B (en) | A kind of hot rolling add-back fire type is without Mo plastic die steel steel plate and manufacture method thereof | |
| CN106636747B (en) | A kind of manufacturing method using heavy and medium plate mill double annealing production technical pure titanium plate | |
| CN104087742A (en) | Differential temperature heat treatment method for centrifugal compound high-chromium steel roller | |
| CN102581008A (en) | Processing method for producing low-cost high-formability IF (interstitial-free) steel | |
| CN103409696A (en) | Hot rolling roller for rolling nonferrous metal, and manufacturing method thereof | |
| CN104593691A (en) | Roller sleeve for large forged alloy steel carrying roller and manufacturing method thereof | |
| CN104561504A (en) | Heat treatment method for one-piece casting hot-rolled strip supporting roller | |
| CN103667612B (en) | The method of thermal treatment axle housing and the method for manufacture axle housing | |
| CN107557698A (en) | Highly corrosion resistant type railway compartment steel of RE-treated and preparation method thereof | |
| CN107447096B (en) | A kind of heat treatment method of non-ferrous metal hot roll | |
| CN102836870B (en) | Rolling and cogging production method for large austenite stainless and heat-resistant gas valve steel 21-4N ingot | |
| CN103643167B (en) | A kind of working method of 700MPa level Green heat treatment high strength cast iron | |
| CN110499460A (en) | A kind of heat stamping and shaping cold-rolled strip and its production method | |
| CN103789688A (en) | Heat treatment method of cold work die steel used for blanking die | |
| CN112680657B (en) | Method for manufacturing non-ferrous hot-rolled semi-high-speed steel working roll | |
| CN113416831A (en) | Heat treatment process method for wide aluminum cold-rolled working roll | |
| CN105483527A (en) | Steel used for liner plate, liner plate and preparation method of liner plate | |
| CN107419174B (en) | Economical high-carbon steel and its manufacturing method | |
| CN106222547B (en) | A kind of 1200MPa grades of high-strength plasticity reinforcing bar and heat treatment method | |
| CN111424221A (en) | Stainless steel plate for lamination and manufacturing method thereof | |
| CN102921721B (en) | Production method of ingot casting rolling cogging for steel for high load engine vent valve | |
| CN115058651B (en) | Forged steel cold rolling working roll with roll mark resistance and manufacturing method 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Heat treatment method of non-ferrous metal hot roll Effective date of registration: 20191028 Granted publication date: 20190122 Pledgee: Anhui Mount Holyoke rural commercial bank Limited by Share Ltd Pledgor: Anhui Mount Holyoke Longxin Metal Technology Co., Ltd. Registration number: Y2019340000147 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220414 Address after: 237200 jingsan North Road, Huoshan County Economic Development Zone, Lu'an City, Anhui Province Patentee after: Anhui Xinyue Casting Technology Co.,Ltd. Address before: 230000 Huoshan Economic Development Zone, Lu'an City, Anhui Province Patentee before: ANHUI HUOSHAN LONGXIN METAL TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220517 Granted publication date: 20190122 Pledgee: Anhui Mount Holyoke rural commercial bank Limited by Share Ltd. Pledgor: ANHUI HUOSHAN LONGXIN METAL TECHNOLOGY Co.,Ltd. Registration number: Y2019340000147 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |