CN105950968A - High-hardness and high-strength alloy steel for drilling rod - Google Patents

High-hardness and high-strength alloy steel for drilling rod Download PDF

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Publication number
CN105950968A
CN105950968A CN201610548731.9A CN201610548731A CN105950968A CN 105950968 A CN105950968 A CN 105950968A CN 201610548731 A CN201610548731 A CN 201610548731A CN 105950968 A CN105950968 A CN 105950968A
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China
Prior art keywords
drilling rod
alloy steel
mass percent
hardness
strength alloy
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Pending
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CN201610548731.9A
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Chinese (zh)
Inventor
吴用镜
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Individual
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Individual
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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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/04—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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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

Abstract

The invention discloses high-hardness and high-strength alloy steel for a drilling rod. The high-hardness and high-strength alloy steel comprises the following chemical components in percentage by mass: 0.2-0.4% of carbon, 0.6-0.8% of silicon, 1.5-1.7% of manganese, 0.5-0.7% of chromium, 1.8-2.4% of nickel, 0.08-0.12% of rubidium, 0.08-0.14% of rhenium, 0.008-0.010% of boron, 0.02-0.04% of molybdenum, 0.04-0.06% of cobalt, 0.002-0.004% of niobium, 0.001-0.003% of nitrogen, 0.06-0.08% of phosphorus and sulfur, and the balance of iron; and the mass ratio of phosphorus and sulfur is 5-7: 1. The high-hardness and high-strength alloy steel for the drilling rod, provided by the invention, is higher in strength, and is suitable for preparing the drilling rod.

Description

One creeps into drilling rod high-hardness high-strength alloy steel
Technical field
The present invention relates to creep into drilling rod, be specifically related to one and creep into drilling rod high-hardness high-strength alloy steel.
Background technology
In steel alloy in addition to ferrum, carbon, add other alloying element, be just steel alloy.Add suitable on the basis of common straightcarbon steel One or more alloying elements of amount and the iron-carbon alloy that constitutes.According to the difference of addition element, and take suitable processing technique, High intensity, high tenacity, the property such as wear-resisting, corrosion-resistant, low temperature resistant, high temperature resistant, nonmagnetic can be obtained.Existing giving birth to The rare metal added during the steel alloy produced is relatively simple, generally is single rare metal, only has the most single effect.
Summary of the invention
It is an object of the invention to provide one and creep into drilling rod high-hardness high-strength alloy steel.
The above-mentioned purpose of the present invention is achieved by techniques below scheme:
One creeps into drilling rod high-hardness high-strength alloy steel, its chemical composition and respective mass percent: carbon 0.2～0.4%, Silicon 0.6～0.8%, manganese 1.5～1.7%, chromium 0.5～0.7%, nickel 1.8～2.4%, rubidium 0.08～0.12%, rhenium 0.08～0.14%, boron 0.008～0.010%, molybdenum 0.02～0.04%, cobalt 0.04～0.06%, niobium 0.002～0.004%, nitrogen 0.001～0.003%, p and s Totally 0.06～0.08%, the ratio of mass percent shared by p and s is 5～7:1, and remaining is ferrum.
Further, described creep into drilling rod high-hardness high-strength alloy steel chemical composition and mass percent is: carbon 0.3%, Silicon 0.7%, manganese 1.6%, chromium 0.6%, nickel 2.1%, rubidium 0.10%, rhenium 0.11%, boron 0.009%, molybdenum 0.03%, cobalt 0.05%, Niobium 0.003%, nitrogen 0.002%, p and s totally 0.07%, the ratio of mass percent shared by p and s is 6:1, and remaining is ferrum.
Further, described creep into drilling rod high-hardness high-strength alloy steel chemical composition and mass percent is: carbon 0.2%, Silicon 0.6%, manganese 1.5%, chromium 0.5%, nickel 1.8%, rubidium 0.08%, rhenium 0.08%, boron 0.008%, molybdenum 0.02%, cobalt 0.04%, Niobium 0.002%, nitrogen 0.001%, p and s totally 0.06%, the ratio of mass percent shared by p and s is 5:1, and remaining is ferrum.
Further, described creep into drilling rod high-hardness high-strength alloy steel chemical composition and mass percent is: carbon 0.4%, Silicon 0.8%, manganese 1.7%, chromium 0.7%, nickel 2.4%, rubidium 0.12%, rhenium 0.14%, boron 0.010%, molybdenum 0.04%, cobalt 0.06%, Niobium 0.004%, nitrogen 0.003%, p and s totally 0.08%, the ratio of mass percent shared by p and s is 7:1, and remaining is ferrum.
Advantages of the present invention:
The drilling rod high-hardness high-strength alloy steel that creeps into that the present invention provides has high intensity, is suitable for preparation and creeps into drilling rod.
Detailed description of the invention
Further illustrate the essentiality content of the present invention below in conjunction with embodiment, but do not limit scope with this.To the greatest extent The present invention is explained in detail by pipe with reference to preferred embodiment, it will be understood by those within the art that, can be to the present invention Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Embodiment 1: creep into drilling rod high-hardness high-strength alloy steel
Chemical composition and each mass percent be: carbon 0.3%, silicon 0.7%, manganese 1.6%, chromium 0.6%, nickel 2.1%, rubidium 0.10%, Rhenium 0.11%, boron 0.009%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.002%, p and s totally 0.07%, phosphorus and The ratio of mass percent shared by sulfur is 6:1, and remaining is ferrum.
Embodiment 2: creep into drilling rod high-hardness high-strength alloy steel
Chemical composition and each mass percent be: carbon 0.2%, silicon 0.6%, manganese 1.5%, chromium 0.5%, nickel 1.8%, rubidium 0.08%, Rhenium 0.08%, boron 0.008%, molybdenum 0.02%, cobalt 0.04%, niobium 0.002%, nitrogen 0.001%, p and s totally 0.06%, phosphorus and The ratio of mass percent shared by sulfur is 5:1, and remaining is ferrum.
Embodiment 3: creep into drilling rod high-hardness high-strength alloy steel
Chemical composition and each mass percent be: carbon 0.4%, silicon 0.8%, manganese 1.7%, chromium 0.7%, nickel 2.4%, rubidium 0.12%, Rhenium 0.14%, boron 0.010%, molybdenum 0.04%, cobalt 0.06%, niobium 0.004%, nitrogen 0.003%, p and s totally 0.08%, phosphorus and The ratio of mass percent shared by sulfur is 7:1, and remaining is ferrum.
Embodiment 4: creep into drilling rod high-hardness high-strength alloy steel
Chemical composition and each mass percent be: carbon 0.3%, silicon 0.7%, manganese 1.6%, chromium 0.6%, nickel 2.1%, rubidium 0.10%, Rhenium 0.11%, boron 0.009%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.002%, p and s totally 0.07%, phosphorus and The ratio of mass percent shared by sulfur is 5:1, and remaining is ferrum.
Embodiment 5: creep into drilling rod high-hardness high-strength alloy steel
Chemical composition and each mass percent be: carbon 0.3%, silicon 0.7%, manganese 1.6%, chromium 0.6%, nickel 2.1%, rubidium 0.10%, Rhenium 0.11%, boron 0.009%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.002%, p and s totally 0.07%, phosphorus and The ratio of mass percent shared by sulfur is 7:1, and remaining is ferrum.
Embodiment 6: comparative example
Chemical composition and each mass percent be: carbon 0.3%, silicon 0.7%, manganese 1.6%, chromium 0.6%, nickel 2.1%, rubidium 0.10%, Rhenium 0.11%, boron 0.009%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.002%, p and s totally 0.07%, phosphorus and The ratio of mass percent shared by sulfur is 4:1, and remaining is ferrum.
Embodiment 7: comparative example
Chemical composition and each mass percent be: carbon 0.3%, silicon 0.7%, manganese 1.6%, chromium 0.6%, nickel 2.1%, rubidium 0.10%, Rhenium 0.11%, boron 0.009%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.002%, p and s totally 0.07%, phosphorus and The ratio of mass percent shared by sulfur is 8:1, and remaining is ferrum.
Embodiment 8: effect example
The intensity of testing example 1～7 steel alloy respectively.
Result see table.
Steel samples Yield strength (MPa) Tensile strength (MPa)
Embodiment 1 2050 3080
Embodiment 4 1950 2970
Embodiment 5 1970 2990
Embodiment 6 820 1450
Embodiment 7 830 1480
Embodiment 2,3 is basically identical with embodiment 4,5 effect.
The above results shows, the steel alloy intensity that the present invention provides is high, is suitable for preparation and creeps into drilling rod, can prepare with it High intensity creep into drilling rod, improve the service life creeping into drilling rod.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit protection scope of the present invention with this. It will be understood by those within the art that, technical scheme can be modified or equivalent, and not take off Essence and protection domain from technical solution of the present invention.

Claims (4)

1. one kind is crept into drilling rod high-hardness high-strength alloy steel, it is characterised in that its chemical composition and each mass percent be: Carbon 0.2～0.4%, silicon 0.6～0.8%, manganese 1.5～1.7%, chromium 0.5～0.7%, nickel 1.8～2.4%, rubidium 0.08～0.12%, rhenium 0.08～0.14%, boron 0.008～0.010%, molybdenum 0.02～0.04%, cobalt 0.04～0.06%, niobium 0.002～0.004%, nitrogen 0.001～0.003%, p and s totally 0.06～0.08%, the ratio of mass percent shared by p and s is 5～7:1, and remaining is ferrum.
The most according to claim 1 creep into drilling rod high-hardness high-strength alloy steel, it is characterised in that its chemical composition and Each mass percent is: carbon 0.3%, silicon 0.7%, manganese 1.6%, chromium 0.6%, nickel 2.1%, rubidium 0.10%, rhenium 0.11%, Boron 0.009%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.002%, p and s totally 0.07%, quality shared by p and s The ratio of percentage ratio is 6:1, and remaining is ferrum.
The most according to claim 1 creep into drilling rod high-hardness high-strength alloy steel, it is characterised in that its chemical composition and Each mass percent is: carbon 0.2%, silicon 0.6%, manganese 1.5%, chromium 0.5%, nickel 1.8%, rubidium 0.08%, rhenium 0.08%, Boron 0.008%, molybdenum 0.02%, cobalt 0.04%, niobium 0.002%, nitrogen 0.001%, p and s totally 0.06%, quality shared by p and s The ratio of percentage ratio is 5:1, and remaining is ferrum.
The most according to claim 1 creep into drilling rod high-hardness high-strength alloy steel, it is characterised in that its chemical composition and Each mass percent is: carbon 0.4%, silicon 0.8%, manganese 1.7%, chromium 0.7%, nickel 2.4%, rubidium 0.12%, rhenium 0.14%, Boron 0.010%, molybdenum 0.04%, cobalt 0.06%, niobium 0.004%, nitrogen 0.003%, p and s totally 0.08%, quality shared by p and s The ratio of percentage ratio is 7:1, and remaining is ferrum.
CN201610548731.9A 2016-07-11 2016-07-11 High-hardness and high-strength alloy steel for drilling rod Pending CN105950968A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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CN105950968A true CN105950968A (en) 2016-09-21

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102994895A (en) * 2012-12-03 2013-03-27 中天钢铁集团有限公司 Microalloyed high-strength high-toughness steel for geological drilling and production technology thereof
CN104357746A (en) * 2014-10-20 2015-02-18 宝山钢铁股份有限公司 Ultrahigh-toughness ultrahigh-strength drill pipe and manufacturing method thereof
CN105543670A (en) * 2016-01-26 2016-05-04 安徽同盛环件股份有限公司 High-hardness and high-strength alloy steel and preparing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102994895A (en) * 2012-12-03 2013-03-27 中天钢铁集团有限公司 Microalloyed high-strength high-toughness steel for geological drilling and production technology thereof
CN104357746A (en) * 2014-10-20 2015-02-18 宝山钢铁股份有限公司 Ultrahigh-toughness ultrahigh-strength drill pipe and manufacturing method thereof
CN105543670A (en) * 2016-01-26 2016-05-04 安徽同盛环件股份有限公司 High-hardness and high-strength alloy steel and preparing method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
中国机械工程学会铸造分会编: "《铸造手册 第2卷 铸钢 第2版》", 30 September 2002, 机械工业出版社 *
姚天扬、孙尔康总主编，李心爱、宣婕主编: "《大学化学 下》", 31 May 2014, 南京大学出版社 *
潘继民主编: "《金属材料化学成分与力学性能手册》", 31 October 2013, 机械工业出版社 *

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Application publication date: 20160921