CN106555130B - A kind of heat- treated steel alloy - Google Patents

A kind of heat- treated steel alloy Download PDF

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CN106555130B
CN106555130B CN201611097110.XA CN201611097110A CN106555130B CN 106555130 B CN106555130 B CN 106555130B CN 201611097110 A CN201611097110 A CN 201611097110A CN 106555130 B CN106555130 B CN 106555130B
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steel alloy
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CN106555130A (en
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孙瑞涛
李永栋
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China National Academy Of Machinery Group Qingdao Branch Co ltd
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Qingdao Branch Co Ltd Of Mechanical Science Research Institute
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/06—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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium

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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 Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The invention discloses a kind of heat- treated steel alloy, include the raw material of following percentage by weight：C：1.2% 1.5%；Al：0.12% 0.16%；Mo：0.008% 0.018%；Mn：0.5% 1.0%；B：0.5% 1.2%；Ni：0.1% 1.4%；Si：3.55% 4.15%；Ti：0.004% 0.01%；V：0.1% 4.2%；W：0.005% 0.01%；Cr：0.5% 4.2%；Nb：0.05% 0.15%；Re：0.05% 0.16%；Be：0% 0.24%；Surplus is Fe；Its preparation method comprises the following steps：S1, each raw material is weighed according to deal percentage, above-mentioned raw materials are sequentially added in smelting furnace, smelting temperature is 1,000 1600 DEG C, continues 4 6min, obtains blank；S2, blank is heat-treated, process of thermal treatment parameter is：250 350 DEG C of temperature is heated to 100 DEG C/h of programming rate, then 1,050 1150 DEG C are heated to 120 DEG C/h of programming rate.The composition proportion of the present invention is reasonable, and preparation technology is simple, and the steel alloy of preparation has good combination property, and endurance quality improves, and is adapted to promote.

Description

A kind of heat- treated steel alloy
Technical field
The present invention relates to steel material technical field, more particularly to a kind of heat- treated steel alloy.
Background technology
Existing more than the 100 years history of steel alloy.It is industrially more about later half in 19th century using alloy steel products Phase.At that time because the output and usage amount of steel constantly increase, machinery manufacturing industry need solve steel processing problem of cutting, 1868 Year, the uncommon spy of forces of Britain invented the Mushet steel that composition is 2.5%Mn-7%W, and cutting speed is brought up into 5 ms/min.With business Industry and the development of transport, span is built on Mississippi as 158.5 with chromium steel (1.5-2.0%Cr) in the U.S. within 1870 The bridge of rice；Difficulty occurs during due to tooling member, later, some industrial countries use nickel steel instead（3.5%Ni）Build large span Bridge.At the same time, nickel steel is also used to build warship by some countries.With the development of engineering technology, it is desirable to accelerate machinery Velocity of rotation, occur high carbon chromium roller bearing steel in West Europe within 1901.18W-4Cr-1V types are developed again within 1910 High-speed tool steel, cutting speed is further brought up to 30 ms/min.It can be seen that the appearance and development of steel alloy, are to have adapted to society The requirement of productivity dynamics, is particularly and the needs of machine-building, communications and transportation and war industry are inseparable.Existing steel closes Golden intensity deficiency, malleability is low, and without good endurance quality, mechanical performance has much room for improvement, and is this it is proposed that coming a kind of Heat- treated steel alloy.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of heat- treated steel alloy.
A kind of heat- treated steel alloy proposed by the present invention, include the raw material of following percentage by weight：
C：1.2%-1.5%；Al：0.12%-0.16%；Mo：0.008%-0.018%；Mn：0.5%-1.0%；B： 0.5%-1.2%；Ni：0.1%-1.4%；Si：3.55%-4.15%；Ti：0.004%-0.01%；V：0.1%-4.2%； W：0.005%-0.01%；Cr：0.5%-4.2%；Nb：0.05%-0.15%；Re：0.05%-0.16%；Be：0%- 0.24%；Surplus is Fe.
Preferably, the raw material of following percentage by weight is included：
C：1.3%-1.4%；Al：0.13%-0.15%；Mo：0.009%-0.017%；Mn：0.7%-0.8%；B： 0.7%-1.0%；Ni：0.6%-0.9%；Si：3.8%-4.0%；Ti：0.006%-0.008%；V：0.8%-3.5%；W： 0.007%-0.009%；Cr：0.8%-3.6%；Nb：0.07%-0.13%；Re：0.08%-0.13%；Be：0.12%- 0.18%；Surplus is Fe.
Preferably, the raw material of following percentage by weight is included：
C：1.35%；Al：0.14%；Mo：0.013%；Mn：0.75%；B：0.85%；Ni：0.8%；Si：3.9%； Ti：0.007%；V：2.5%；W：0.008%；Cr：2.2%；Nb：0.11%；Re：0.11%；Be：0.15%；Surplus is Fe.
Preferably, the preparation method of the steel alloy comprises the following steps：
S1, raw material C is weighed according to deal percentage：1.2%-1.5%；Al：0.12%-0.16%；Mo：0.008%- 0.018%；Mn：0.5%-1.0%；B：0.5%-1.2%；Ni：0.1%-1.4%；Si：3.55%-4.15%；Ti： 0.004%-0.01%；V：0.1%-4.2%；W：0.005%-0.01%；Cr：0.5%-4.2%；Nb：0.05%- 0.15%；Re：0.05%-0.16%；Be：0%-0.24%；Surplus is Fe；Above-mentioned raw materials are sequentially added in smelting furnace, melted It is 1000-1600 DEG C to refine temperature, continues 4-6min, obtains blank；
S2, blank is heat-treated, process of thermal treatment parameter is：Temperature is heated to 100 DEG C/h of programming rate 250-350 DEG C, then it is heated to 1050-1150 DEG C with 120 DEG C/h of programming rate, after soaking time 3-5h, transition temperature 550- 650 DEG C, soaking time 10-15min, obtain prefabrication；
S3, the prefabrication in S2 is incubated 1-2h at a temperature of 200-300 DEG C, air cooling, obtains finished product, and will be into product examine Test packaging and storage.
Preferably, in the S2, blank is heat-treated, process of thermal treatment parameter is：With 100 DEG C/h of programming rate It is heated to 300 DEG C of temperature, then 1100 DEG C is heated to 120 DEG C/h of programming rate, after soaking time 4h, transition temperature is 600 DEG C, Soaking time 12min, obtains prefabrication.
In the present invention, by carrying out reasonable selection to the chemical element of steel alloy, the combination matching of each element, knot are optimized The selection of chemical element is closed, when preparing steel alloy, melting is first passed through and obtains blank, be heat-treated, optimize heat treatment process In relevant parameter so that alloy structure performance enhancement, its intensity and malleability increase, while have good durability energy, this The composition proportion of invention is reasonable, and preparation technology is simple, and the steel alloy of preparation has good combination property, and endurance quality improves, It is adapted to promote.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment one
A kind of heat- treated steel alloy proposed by the present invention, include the raw material of following percentage by weight：
C：1.2%；Al：0.12%；Mo：0.008%；Mn：0.5%；B：0.5%；Ni：0.1%；Si：3.55%；Ti： 0.004%；V：0.1%；W：0.005%；Cr：0.5%；Nb：0.05%；Re：0.05%；Surplus is Fe.
Its preparation method comprises the following steps：
S1, each raw material is weighed according to deal percentage, above-mentioned raw materials are sequentially added in smelting furnace, smelting temperature 1000 DEG C, continue 4min, obtain blank；
S2, blank is heat-treated, process of thermal treatment parameter is：Temperature 250 is heated to 100 DEG C/h of programming rate DEG C, then it is heated to 1050 DEG C with 120 DEG C/h of programming rate, after soaking time 3h, transition temperature is 550 DEG C, soaking time 10min, obtain prefabrication；
S3, the prefabrication in S2 is incubated 1h at a temperature of 200 DEG C, air cooling, obtains finished product, and product inspection is packed Storage.
Embodiment two
A kind of heat- treated steel alloy proposed by the present invention, include the raw material of following percentage by weight：
C：1.3%；Al：0.13%；Mo：0.009%；Mn：0.7%；B：0.7%；Ni：0.6%；Si：3.8%；Ti： 0.006%；V：0.8%；W：0.007%；Cr：0.8%；Nb：0.07%；Re：0.08%；Be：0.12%；Surplus is Fe.
Its preparation method comprises the following steps：
S1, each raw material is weighed according to deal percentage, above-mentioned raw materials are sequentially added in smelting furnace, smelting temperature 1100 DEG C, continue 4.5min, obtain blank；
S2, blank is heat-treated, process of thermal treatment parameter is：Temperature 275 is heated to 100 DEG C/h of programming rate DEG C, then it is heated to 1075 DEG C with 120 DEG C/h of programming rate, after soaking time 3.5h, transition temperature is 575 DEG C, soaking time 11min, obtain prefabrication；
S3, the prefabrication in S2 being incubated 1.2h at a temperature of 225 DEG C, air cooling obtains finished product, and by product inspection bag Load storehouse.
Embodiment three
A kind of heat- treated steel alloy proposed by the present invention, include the raw material of following percentage by weight：
C：1.35%；Al：0.14%；Mo：0.013%；Mn：0.75%；B：0.85%；Ni：0.8%；Si：3.9%； Ti：0.007%；V：2.5%；W：0.008%；Cr：2.2%；Nb：0.11%；Re：0.11%；Be：0.15%；Surplus is Fe.
Its preparation method comprises the following steps：
S1, each raw material is weighed according to deal percentage, above-mentioned raw materials are sequentially added in smelting furnace, smelting temperature 1300 DEG C, continue 5min, obtain blank；
S2, blank is heat-treated, process of thermal treatment parameter is：Temperature 300 is heated to 100 DEG C/h of programming rate DEG C, then it is heated to 1100 DEG C with 120 DEG C/h of programming rate, after soaking time 4h, transition temperature is 600 DEG C, soaking time 14min, obtain prefabrication；
S3, the prefabrication in S2 being incubated 1.5h at a temperature of 250 DEG C, air cooling obtains finished product, and by product inspection bag Load storehouse.
Example IV
A kind of heat- treated steel alloy proposed by the present invention, include the raw material of following percentage by weight：
C：1.4%；Al：0.15%；Mo：0.017%；Mn：0.8%；B：1.0%；Ni：0.9%；Si：4.0%； Ti：0.008%；V：3.5%；W：0.009%；Cr：3.6%；Nb：0.13%；Re：0.13%；Be：0.18%；Surplus is Fe。
Its preparation method comprises the following steps：
S1, each raw material is weighed according to deal percentage, above-mentioned raw materials are sequentially added in smelting furnace, smelting temperature 1500 DEG C, continue 5.5min, obtain blank；
S2, blank is heat-treated, process of thermal treatment parameter is：Temperature 325 is heated to 100 DEG C/h of programming rate DEG C, then it is heated to 1125 DEG C with 120 DEG C/h of programming rate, after soaking time 4.5h, transition temperature is 625 DEG C, soaking time 14min, obtain prefabrication；
S3, the prefabrication in S2 being incubated 1.8h at a temperature of 280 DEG C, air cooling obtains finished product, and by product inspection bag Load storehouse.
Embodiment five
A kind of heat- treated steel alloy proposed by the present invention, include the raw material of following percentage by weight：
C：1.5%；Al：0.16%；Mo：0.018%；Mn：1.0%；B：1.2%；Ni：1.4%；Si：4.15%；Ti： 0.01%；V：4.2%；W：0.01%；Cr：4.2%；Nb：0.15%；Re：0.16%；Be：0.24%；Surplus is Fe.
Its preparation method comprises the following steps：
S1, each raw material is weighed according to deal percentage, above-mentioned raw materials are sequentially added in smelting furnace, smelting temperature 1600 DEG C, continue 6min, obtain blank；
S2, blank is heat-treated, process of thermal treatment parameter is：Temperature 350 is heated to 100 DEG C/h of programming rate DEG C, then it is heated to 1150 DEG C with 120 DEG C/h of programming rate, after soaking time 5h, transition temperature is 650 DEG C, soaking time 15min, obtain prefabrication；
S3, the prefabrication in S2 is incubated 2h at a temperature of 300 DEG C, air cooling, obtains finished product, and product inspection is packed Storage.
In embodiment 1-5, every mechanical performance of steel alloy made from test, as a result such as following table：
Tensile strength（MPa） Elongation percentage（%）
Embodiment one 1373 19
Embodiment two 1391 17
Embodiment three 1421 21
Example IV 1375 19
Embodiment five 1385 18
As seen from the above table, steel alloy of the invention has good tensile strength and elongation percentage, combination property height.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (4)

1. a kind of heat- treated steel alloy, it is characterised in that include the raw material of following percentage by weight：
C：1.2%-1.5%；Al：0.12%-0.16%；Mo：0.008%-0.018%；Mn：0.5%-1.0%；B：0.5%- 1.2%；Ni：0.1%-1.4%；Si：3.55%-4.15%；Ti：0.004%-0.01%；V：0.1%-4.2%；W： 0.005%-0.01%；Cr：0.5%-4.2%；Nb：0.05%-0.15%；Re：0.05%-0.16%；Be：0%- 0.24%；Surplus is Fe；
The preparation method of the steel alloy comprises the following steps：
S1, raw material is weighed according to deal percentage, above-mentioned raw materials are sequentially added in smelting furnace, smelting temperature 1000-1600 DEG C, continue 4-6min, obtain blank；
S2, blank is heat-treated, process of thermal treatment parameter is：Temperature 250-350 is heated to 100 DEG C/h of programming rate DEG C, then it is heated to 1050-1150 DEG C with 120 DEG C/h of programming rate, after soaking time 3-5h, transition temperature is 550-650 DEG C, is protected Warm time 10-15min, obtains prefabrication；
S3, the prefabrication in S2 being incubated 1-2h at a temperature of 200-300 DEG C, air cooling obtains finished product, and by product inspection bag Load storehouse.
2. a kind of heat- treated steel alloy according to claim 1, it is characterised in that include the original of following percentage by weight Material：
C：1.3%-1.4%；Al：0.13%-0.15%；Mo：0.009%-0.017%；Mn：0.7%-0.8%；B：0.7%- 1.0%；Ni：0.6%-0.9%；Si：3.8%-4.0%；Ti：0.006%-0.008%；V：0.8%-3.5%；W： 0.007%-0.009%；Cr：0.8%-3.6%；Nb：0.07%-0.13%；Re：0.08%-0.13%；Be：0.12%- 0.18%；Surplus is Fe.
3. a kind of heat- treated steel alloy according to claim 1, it is characterised in that include the original of following percentage by weight Material：
C：1.35%；Al：0.14%；Mo：0.013%；Mn：0.75%；B：0.85%；Ni：0.8%；Si：3.9%；Ti： 0.007%；V：2.5%；W：0.008%；Cr：2.2%；Nb：0.11%；Re：0.11%；Be：0.15%；Surplus is Fe.
4. a kind of heat- treated steel alloy according to claim 1, it is characterised in that in the S2, hot place is carried out to blank Reason, process of thermal treatment parameter are：300 DEG C of temperature is heated to 100 DEG C/h of programming rate, then added with 120 DEG C/h of programming rate Heat is to 1100 DEG C, and after soaking time 4h, transition temperature is 600 DEG C, soaking time 12min, obtains prefabrication.
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WO2018103082A1 (en) * 2016-12-09 2018-06-14 孙瑞涛 Heat-treated steel alloy
CN107876780A (en) * 2017-10-30 2018-04-06 安徽博古特机电科技有限公司 A kind of manufacture method of compressor crank shaft
CN107791327A (en) * 2017-11-08 2018-03-13 刘兴满 A kind of manufacturing process of water pump shaft
CN109112265A (en) * 2018-11-14 2019-01-01 江苏万达新能源科技股份有限公司 A kind of high-speed steel for lithium battery cutting machine

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US3575737A (en) * 1968-06-25 1971-04-20 Sandvikens Jernverks Ab Razor blades and other thin cutting edge tools and method of manufacture of such tools
CN104404229A (en) * 2014-11-06 2015-03-11 无锡市百顺机械厂 Rolling bearing heat treatment technology
CN105986090A (en) * 2015-01-31 2016-10-05 重庆展申机械厂 Heat treatment process for bearing steel

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Publication number Priority date Publication date Assignee Title
DE1458400A1 (en) * 1961-03-11 1968-12-19 Ishikawajima Harima Heavy Ind Steel for high temperature cementation
US3575737A (en) * 1968-06-25 1971-04-20 Sandvikens Jernverks Ab Razor blades and other thin cutting edge tools and method of manufacture of such tools
CN104404229A (en) * 2014-11-06 2015-03-11 无锡市百顺机械厂 Rolling bearing heat treatment technology
CN105986090A (en) * 2015-01-31 2016-10-05 重庆展申机械厂 Heat treatment process for bearing steel

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