CN107779742A - A kind of antioxidant wear-resistant steel alloy preparation method - Google Patents

A kind of antioxidant wear-resistant steel alloy preparation method Download PDF

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Publication number
CN107779742A
CN107779742A CN201610732495.6A CN201610732495A CN107779742A CN 107779742 A CN107779742 A CN 107779742A CN 201610732495 A CN201610732495 A CN 201610732495A CN 107779742 A CN107779742 A CN 107779742A
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Prior art keywords
resistant steel
steel alloy
wear
antioxidant wear
antioxidant
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CN201610732495.6A
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Chinese (zh)
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沈井仁
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Individual
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    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/007—Heat treatment of ferrous alloys containing Co
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron

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  • 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)
  • Heat Treatment Of Steel (AREA)

Abstract

A kind of antioxidant wear-resistant steel alloy preparation method, belongs to technical field of metal material.Method is：One:By the ingredient composition of antioxidant wear-resistant steel alloy, composition and its mass percent are, 0.3 0.5% carbon, 0.21 0.3% silicon, 0.3 0.5% manganese, 0.1 0.4% chromium, 0.5 2.0% nickel, 0.02 0.4% zirconium, 0.01 0.005% cobalt, 0.003 0.01% boron, surplus are iron and inevitable impurity；Two：Melting obtains antioxidant wear-resistant steel alloy ingot casting；Three：Heat treatment：By antioxidant wear-resistant steel alloy ingot casting, at 200 250 DEG C, 1 3h is incubated；50 65 DEG C are cooled to, is incubated 30 90min；150 210 DEG C are warming up to again, are incubated 2 4h；Antioxidant wear-resistant steel alloy is made to room temperature in fast cooling.Steel alloy prepared by the inventive method, hardness 30 39HV, σ during 1000 DEG C of wear heat-resistant steel1000 1000For 15 20MPa.

Description

A kind of antioxidant wear-resistant steel alloy preparation method
Technical field
The invention belongs to technical field of metal material, more particularly to a kind of antioxidant wear-resistant steel alloy preparation method.
Background technology
Engine matching component, require very high in structural strength, function and machining, it is desirable to be not only to meet that automobile uses On primary condition, the guarantee securely and reliably to increase the service life, it is i.e. anti-oxidant and wear-resistant to search out alloy material, while zero The steel alloy of the high middle low content of part Thermal Resistant Surface performance just shows extremely important.
Demand based on this market, the invention provides a kind of new antioxidant wear-resistant steel alloy preparation method, prepares Go out the high and wear-resisting steel alloy of antioxidant.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of antioxidant wear-resistant steel alloy preparation method.
A kind of antioxidant wear-resistant steel alloy preparation method, comprises the following steps：
Step 1：By the ingredient composition of antioxidant wear-resistant steel alloy, wherein, the composition and its quality hundred of antioxidant wear-resistant steel alloy It is 0.3-0.5% carbon to divide ratio, 0.21-0.3% silicon, 0.3-0.5% manganese, 0.1-0.4% chromium, 0.5-2.0%'s Nickel, 0.02-0.4% zirconium, 0.01-0.005% cobalt, 0.003-0.01% boron, surplus be iron and inevitably it is miscellaneous Matter.
Step 2：Melting obtains antioxidant wear-resistant steel alloy ingot casting；
Step 3, it is heat-treated：
(1) by antioxidant wear-resistant steel alloy ingot casting, at 200-250 DEG C, it is incubated 1-3h；
(2) 50-65 DEG C is cooled to, is incubated 30-90min；
(3) 150-210 DEG C is warming up to again, is incubated 2-4h；
(4) antioxidant wear-resistant steel alloy is made to room temperature in fast cooling.
In described step 1, the purity of each constituent is more than 99%.
In described step 2, using intermediate frequency furnace melting.
In described step 3 (2), cooling rate is 20-30 DEG C/min.
In described step 3 (3), programming rate is 2-5 DEG C/min.
The antioxidant wear-resistant steel alloy preparation method of the present invention, compared with prior art, has the advantages that：
(1) the inventive method makes the austenite of steel alloy be transformed into lower bainite tissue so that mechanical performance obtains very big carry It is high；
(2) present invention obtains fine grain, improves heat resisting steel obdurability；
(3) steel alloy prepared by the inventive method, hardness 30-39HV, σ during 1000 DEG C of wear heat-resistant steel1000 1000For 15- 20MPa。
Embodiment
In following examples, the purity of each constituent of antioxidant wear-resistant steel alloy is more than 99%.
Embodiment 1
A kind of antioxidant wear-resistant steel alloy preparation method, comprises the following steps：
Step 1：By the ingredient composition of antioxidant wear-resistant steel alloy, wherein, the composition and its quality hundred of antioxidant wear-resistant steel alloy It is 0.3-0.5% carbon to divide ratio, 0.21-0.3% silicon, 0.3-0.5% manganese, 0.1-0.4% chromium, 0.5-2.0%'s Nickel, 0.02-0.4% zirconium, 0.01-0.005% cobalt, 0.003-0.01% boron, surplus be iron and inevitably it is miscellaneous Matter；
Step 2：Antioxidant wear-resistant steel alloy ingot casting is obtained using intermediate frequency furnace melting；
Step 3, it is heat-treated：
(1) by antioxidant wear-resistant steel alloy ingot casting, at 200 DEG C, it is incubated 3h；
(2) with 20/min cooling rate, 50 DEG C are cooled to, is incubated 90min；
(3) with 2 DEG C/min programming rates, then 150 DEG C are warming up to, are incubated 4h；
(4) antioxidant wear-resistant steel alloy is made to room temperature in fast cooling.
Antioxidant wear-resistant steel alloy manufactured in the present embodiment, hardness 35HV, σ during 1000 DEG C of wear heat-resistant steel1000 1000For 18MPa。
Embodiment 2
A kind of antioxidant wear-resistant steel alloy preparation method, comprises the following steps：
Step 1：By the ingredient composition of antioxidant wear-resistant steel alloy, wherein, the composition and its quality hundred of antioxidant wear-resistant steel alloy It is 0.3-0.5% carbon to divide ratio, 0.21-0.3% silicon, 0.3-0.5% manganese, 0.1-0.4% chromium, 0.5-2.0%'s Nickel, 0.02-0.4% zirconium, 0.01-0.005% cobalt, 0.003-0.01% boron, surplus be iron and inevitably it is miscellaneous Matter.
Step 2：Antioxidant wear-resistant steel alloy ingot casting is obtained using intermediate frequency furnace melting；
Step 3, it is heat-treated：
(1) by antioxidant wear-resistant steel alloy ingot casting, at 230 DEG C, it is incubated 2h；
(2) with 20-30 DEG C/min cooling rate, 60 DEG C are cooled to, is incubated 70min；
(3) with 2-5 DEG C/min programming rates, then 180 DEG C are warming up to, are incubated 3h；
(4) antioxidant wear-resistant steel alloy is made to room temperature in fast cooling.
Antioxidant wear-resistant steel alloy manufactured in the present embodiment, hardness 38HV, σ during 1000 DEG C of wear heat-resistant steel1000 1000For 17MPa。
Embodiment 3
A kind of antioxidant wear-resistant steel alloy preparation method, comprises the following steps：
Step 1：By the ingredient composition of antioxidant wear-resistant steel alloy, wherein, the composition and its quality hundred of antioxidant wear-resistant steel alloy It is 0.3-0.5% carbon to divide ratio, 0.21-0.3% silicon, 0.3-0.5% manganese, 0.1-0.4% chromium, 0.5-2.0%'s Nickel, 0.02-0.4% zirconium, 0.01-0.005% cobalt, 0.003-0.01% boron, surplus be iron and inevitably it is miscellaneous Matter.
Step 2：Antioxidant wear-resistant steel alloy ingot casting is obtained using intermediate frequency furnace melting；
Step 3, it is heat-treated：
(1) by antioxidant wear-resistant steel alloy ingot casting, at 250 DEG C, it is incubated 1h；
(2) with 20-30 DEG C/min cooling rate, 65 DEG C are cooled to, is incubated 30min；
(3) with 2-5 DEG C/min programming rates, then 210 DEG C are warming up to, are incubated 2h；
(4) antioxidant wear-resistant steel alloy is made to room temperature in fast cooling.
Antioxidant wear-resistant steel alloy manufactured in the present embodiment, hardness 34HV, σ during 1000 DEG C of wear heat-resistant steel1000 1000For 15- 20MPa。

Claims (4)

1. a kind of antioxidant wear-resistant steel alloy preparation method, it is characterised in that comprise the following steps：
Step 1：By the ingredient composition of antioxidant wear-resistant steel alloy, wherein, the composition and its quality hundred of antioxidant wear-resistant steel alloy It is 0.3-0.5% carbon to divide ratio, 0.21-0.3% silicon, 0.3-0.5% manganese, 0.1-0.4% chromium, 0.5-2.0%'s Nickel, 0.02-0.4% zirconium, 0.01-0.005% cobalt, 0.003-0.01% boron, surplus be iron and inevitably it is miscellaneous Matter；
Step 2：Melting obtains antioxidant wear-resistant steel alloy ingot casting；
Step 3, it is heat-treated：
(1) by antioxidant wear-resistant steel alloy ingot casting, at 200-250 DEG C, it is incubated 1-3h；
(2) 50-65 DEG C is cooled to, is incubated 30-90min；
(3) 150-210 DEG C is warming up to again, is incubated 2-4h；
(4) antioxidant wear-resistant steel alloy is made to room temperature in fast cooling.
2. antioxidant wear-resistant steel alloy preparation method according to claim 1, it is characterised in that described step 3 (2) In, cooling rate is 20-30 DEG C/min.
3. antioxidant wear-resistant steel alloy preparation method according to claim 1, it is characterised in that described step 3 (3) In, programming rate is 2-5 DEG C/min.
4. antioxidant wear-resistant steel alloy preparation method according to claim 1, it is characterised in that conjunction prepared by methods described Jin Gang, hardness 30-39HV, σ during 1000 DEG C of wear heat-resistant steel1000 1000For 15-20MPa.
CN201610732495.6A 2016-08-27 2016-08-27 A kind of antioxidant wear-resistant steel alloy preparation method Pending CN107779742A (en)

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Application Number Priority Date Filing Date Title
CN201610732495.6A CN107779742A (en) 2016-08-27 2016-08-27 A kind of antioxidant wear-resistant steel alloy preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
CN107779742A true CN107779742A (en) 2018-03-09

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Application publication date: 20180309