CN107177779A - A kind of spring steel and preparation method thereof - Google Patents

A kind of spring steel and preparation method thereof Download PDF

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Publication number
CN107177779A
CN107177779A CN201710363986.2A CN201710363986A CN107177779A CN 107177779 A CN107177779 A CN 107177779A CN 201710363986 A CN201710363986 A CN 201710363986A CN 107177779 A CN107177779 A CN 107177779A
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China
Prior art keywords
parts
product
temperature
retention time
20min
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Pending
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CN201710363986.2A
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Chinese (zh)
Inventor
陶圣香
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Individual
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Individual
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Priority to CN201710363986.2A priority Critical patent/CN107177779A/en
Publication of CN107177779A publication Critical patent/CN107177779A/en
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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
    • 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
    • C21D6/008—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
    • C22C38/04—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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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

Abstract

The invention discloses a kind of spring steel and preparation method thereof, raw material constituent is made up of following ratio by weight：0.2 0.8 parts of 0.5 1.5 parts of 58 parts of 100 120 parts of 3 parts of 13 parts of 2 parts of 25 parts of C, Si1, Mn, Ti1, Fe, Al, Ni, Cr.Raw material of the present invention is simple and easy to get, processing mode advantages of simple, with good toughness, good rigidity, and anti-pressure ability is strong, and surface is difficult to get rusty, and can use for a long time, and heat-resisting effect is good, with certain anticorrosion effect.

Description

A kind of spring steel and preparation method thereof
Technical field
The present invention relates to field of material preparation, specially a kind of spring steel and preparation method thereof.
Background technology
The important source material that spring steel is prepared as spring, its preparation method and raw material have very great decisive action, mesh There is certain suppleness at the spring steel material angle having in preceding market so that rigidity property declines, and anti-pressure ability not enough, is not applied to Easily got rusty in hyperthermal environments, and after the long-time use of surface.
The content of the invention
It is an object of the invention to provide a kind of spring steel and preparation method thereof, to solve what is proposed in above-mentioned background technology Problem.
To achieve the above object, the present invention provides following technical scheme：A kind of spring steel and preparation method thereof, raw material group It is made up of by weight following ratio into composition：2-5 parts of C, Si1-2 parts, 1-3 parts of Mn, Ti1-3 parts, 100-120 parts of Fe, 0.2-0.8 parts of 0.5-1.5 parts of 5-8 parts of Al, Ni, Cr.
It is preferred that, comprise the following steps：
A, raw material mixed according to score, just practice, temperature is set in 1000-1200 DEG C, the retention time is 10- 15min, then temperature carried out with 20 DEG C/min speed to rise to 1800 DEG C, temperature keeps 20-30min when reaching 1800 DEG C；
B, the product in step A refined, temperature is set as 1800-1900 DEG C, the retention time is 10-20min, added Refining is blowed in helium, and the retention time is 5-10min；
C, the product after refining is cooled and shaped, temperature drop carried out with 10-15 DEG C/min speed, to 800-1000 DEG C When, the retention time is 10-20min, is carrying out temperature drop, speed is 15-20 DEG C/min, to normal temperature；
D, the product after being cooled down in step D rolled, roll and be divided into vertical bundle, horizontal bundle and oblique bundle；
E, the product after rolling quenched, hardening heat is 2000-2100 DEG C, and the time is 15-20min；
F, by step E product carry out temper, get product.
Compared with prior art, the beneficial effects of the invention are as follows：Raw material of the present invention is simple and easy to get, and processing mode is simply closed Reason, with good toughness, good rigidity, anti-pressure ability is strong, and surface is difficult to get rusty, and can use for a long time, and heat-resisting effect is good, With certain anticorrosion effect.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected Enclose.
Embodiment one：
A kind of spring steel and preparation method thereof, raw material constituent is made up of following ratio by weight：3 parts of C, Si2 parts, 1-3 parts of Mn, Ti1 parts, 100 parts of Fe, 5 parts of Al, 1 part of Ni, 0.4 part of Cr.
Step is as follows in the present embodiment：
A, raw material mixed according to score, just practice, temperature is set in 1000 DEG C, the retention time is 15min, then will Temperature carries out rising to 1800 DEG C with 20 DEG C/min speed, and temperature keeps 20min when reaching 1800 DEG C；
B, the product in step A refined, temperature is set as 1900 DEG C, the retention time is 20min, adds helium and carry out Blowing refining, the retention time is 7min；
C, the product after refining is cooled and shaped, temperature drop is carried out with 15 DEG C/min speed, during to 800 DEG C, kept Time is 20min, is carrying out temperature drop, speed is 20 DEG C/min, to normal temperature；
D, the product after being cooled down in step D rolled, roll and be divided into vertical bundle, horizontal bundle and oblique bundle；
E, the product after rolling quenched, hardening heat is 2060 DEG C, and the time is 15min；
F, by step E product carry out temper, get product.
Embodiment two：
A kind of spring steel and preparation method thereof, raw material constituent is made up of following ratio by weight：4 parts of C, Si 2 Part, 3 parts of Mn, Ti2 parts, 120 parts of Fe, 8 parts of Al, 1.5 parts of Ni, 0.2 part of Cr.
Step is as follows in the present embodiment：
A, raw material mixed according to score, just practice, temperature is set in 1100 DEG C, the retention time is 15min, then will Temperature carries out rising to 1800 DEG C with 20 DEG C/min speed, and temperature keeps 30min when reaching 1800 DEG C；
B, the product in step A refined, temperature is set as 1850 DEG C, the retention time is 15min, adds helium and carry out Blowing refining, the retention time is 8min；
C, the product after refining is cooled and shaped, temperature drop is carried out with 15 DEG C/min speed, during to 1000 DEG C, kept Time is 20min, is carrying out temperature drop, speed is 15 DEG C/min, to normal temperature；
D, the product after being cooled down in step D rolled, roll and be divided into vertical bundle, horizontal bundle and oblique bundle；
E, the product after rolling quenched, hardening heat is 2100 DEG C, and the time is 20min；
F, by step E product carry out temper, get product.
Embodiment three：
A kind of spring steel and preparation method thereof, raw material constituent is made up of following ratio by weight：2 parts of C, Si 2 Part, 1 part of Mn, Ti1 parts, 110 parts of Fe, 6 parts of Al, 0.5 part of Ni, 0.8 part of Cr.
Step is as follows in the present embodiment：
A, raw material mixed according to score, just practice, temperature is set in 1200 DEG C, the retention time is 10min, then will Temperature carries out rising to 1800 DEG C with 20 DEG C/min speed, and temperature keeps 20min when reaching 1800 DEG C；
B, the product in step A refined, temperature is set as 1800 DEG C, the retention time is 20min, adds helium and carry out Blowing refining, the retention time is 10min；
C, the product after refining is cooled and shaped, temperature drop is carried out with 15 DEG C/min speed, during to 1000 DEG C, kept Time is 20min, is carrying out temperature drop, speed is 20 DEG C/min, to normal temperature；
D, the product after being cooled down in step D rolled, roll and be divided into vertical bundle, horizontal bundle and oblique bundle；
E, the product after rolling quenched, hardening heat is 2000 DEG C, and the time is 20min；
F, by step E product carry out temper, get product.
Example IV：
A kind of spring steel and preparation method thereof, raw material constituent is made up of following ratio by weight：5 parts of C, Si1 parts, 1 part of Mn, Ti1 parts, 120 parts of Fe, 6 parts of Al, 1 part of Ni, 0.5 part of Cr.
Step is as follows in the present embodiment：
A, raw material mixed according to score, just practice, temperature is set in 1150 DEG C, the retention time is 15min, then will Temperature carries out rising to 1800 DEG C with 20 DEG C/min speed, and temperature keeps 30min when reaching 1800 DEG C；
B, the product in step A refined, temperature is set as 1850 DEG C, the retention time is 10min, adds helium and carry out Blowing refining, the retention time is 10min；
C, the product after refining is cooled and shaped, temperature drop is carried out with 12 DEG C/min speed, during to 900 DEG C, kept Time is 20min, is carrying out temperature drop, speed is 15 DEG C/min, to normal temperature；
D, the product after being cooled down in step D rolled, roll and be divided into vertical bundle, horizontal bundle and oblique bundle；
E, the product after rolling quenched, hardening heat is 2000 DEG C, and the time is 15min；
F, by step E product carry out temper, get product.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (2)

1. a kind of spring steel and preparation method thereof, it is characterised in that：Raw material constituent is made up of following ratio by weight： 2-5 parts of C, Si1-2 parts, 1-3 parts of Mn, Ti1-3 parts, 100-120 parts of Fe, 5-8 parts of Al, 0.5-1.5 parts of Ni, Cr 0.2- 0.8 part.
2. a kind of spring steel according to claim 1 and preparation method thereof, it is characterised in that：Comprise the following steps：
A, raw material mixed according to score, just practice, temperature is set in 1000-1200 DEG C, the retention time is 10- 15min, then temperature carried out with 20 DEG C/min speed to rise to 1800 DEG C, temperature keeps 20-30min when reaching 1800 DEG C；
B, the product in step A refined, temperature is set as 1800-1900 DEG C, the retention time is 10-20min, added Refining is blowed in helium, and the retention time is 5-10min；
C, the product after refining is cooled and shaped, temperature drop carried out with 10-15 DEG C/min speed, to 800-1000 DEG C When, the retention time is 10-20min, is carrying out temperature drop, speed is 15-20 DEG C/min, to normal temperature；
D, the product after being cooled down in step D rolled, roll and be divided into vertical bundle, horizontal bundle and oblique bundle；
E, the product after rolling quenched, hardening heat is 2000-2100 DEG C, and the time is 15-20min；
F, by step E product carry out temper, get product.
CN201710363986.2A 2017-05-22 2017-05-22 A kind of spring steel and preparation method thereof Pending CN107177779A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710363986.2A CN107177779A (en) 2017-05-22 2017-05-22 A kind of spring steel and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710363986.2A CN107177779A (en) 2017-05-22 2017-05-22 A kind of spring steel and preparation method thereof

Publications (1)

Publication Number Publication Date
CN107177779A true CN107177779A (en) 2017-09-19

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Application Number Title Priority Date Filing Date
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Country Status (1)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106319341A (en) * 2016-08-31 2017-01-11 赖世权 Preparation method for spring steel
CN106319340A (en) * 2016-08-31 2017-01-11 赖世权 Processing method for spring steel
CN106381456A (en) * 2016-08-31 2017-02-08 赖世权 Method for improving anti-fatigue property of spring steel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106319341A (en) * 2016-08-31 2017-01-11 赖世权 Preparation method for spring steel
CN106319340A (en) * 2016-08-31 2017-01-11 赖世权 Processing method for spring steel
CN106381456A (en) * 2016-08-31 2017-02-08 赖世权 Method for improving anti-fatigue property of spring steel

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Application publication date: 20170919