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CN106011645A - High-hardness and high-strength alloy steel and application of the alloy steel in manufacturing of drilling rod - Google Patents

High-hardness and high-strength alloy steel and application of the alloy steel in manufacturing of drilling rod Download PDF

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Publication number
CN106011645A
CN106011645A CN201610551181.6A CN201610551181A CN106011645A CN 106011645 A CN106011645 A CN 106011645A CN 201610551181 A CN201610551181 A CN 201610551181A CN 106011645 A CN106011645 A CN 106011645A
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China
Prior art keywords
alloy steel
thorium
zinc
mass percent
hardness
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CN201610551181.6A
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Chinese (zh)
Inventor
吴旭丹
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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
    • C22C38/04—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
    • C22C38/002—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
    • C22C38/02—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
    • C22C38/10—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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The invention discloses high-hardness and high-strength alloy steel and an application of the alloy steel in manufacturing of a drilling rod. The high-hardness and high-strength alloy steel comprises, by mass, 0.25%-0.45% of carbon, 0.42%-0.48% of silicon, 1.4%-1.8% of manganese, 0.08%-0.12% of beryllium, 0.52%-0.66% of chromium, 1.2%-1.6% of nickel, 0.08%-0.12% of rubidium, 0.03%-0.05% of vanadium, 0.08%-0.14% of rhenium, 0.04%-0.06% of boron, 0.02%-0.04% of molybdenum, 0.04%-0.06% of cobalt, 0.002%-0.004% of niobium, 0.007%-0.009% of nitrogen, 0.06%-0.08% of zinc and thorium with the mass proportion of 5-7:1, and the balance ferrum. The alloy steel has high strength and is suitable for manufacturing of the drilling rod.

Description

A kind of high-hardness high-strength alloy steel and preparation creep into the application in drilling rod
Technical field
The present invention relates to creep into drilling rod, be specifically related to a kind of high-hardness high-strength alloy steel and the application creeping in drilling rod in preparation thereof.
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 a kind of high-hardness high-strength alloy steel and the application creeping in drilling rod in preparation thereof.
The above-mentioned purpose of the present invention is achieved by techniques below scheme:
A kind of high-hardness high-strength alloy steel, its chemical composition and mass percent be: carbon 0.25～0.45%, silicon 0.42～0.48%, Manganese 1.4～1.8%, beryllium 0.08～0.12%, chromium 0.52～0.66%, nickel 1.2～1.6%, rubidium 0.08～0.12%, vanadium 0.03～0.05%, Rhenium 0.08～0.14%, boron 0.04～0.06%, molybdenum 0.02～0.04%, cobalt 0.04～0.06%, niobium 0.002～0.004%, nitrogen 0.007～0.009%, zinc and thorium totally 0.06～0.08%, the ratio of mass percent shared by zinc and thorium is 5～7:1, and remaining is ferrum.
Further, described high-hardness high-strength alloy steel chemical composition and mass percent be: carbon 0.35%, silicon 0.45%, Manganese 1.6%, beryllium 0.10%, chromium 0.59%, nickel 1.4%, rubidium 0.10%, vanadium 0.04%, rhenium 0.11%, boron 0.05%, molybdenum 0.03%, Cobalt 0.05%, niobium 0.003%, nitrogen 0.008%, zinc and thorium totally 0.07%, the ratio of mass percent shared by zinc and thorium is 6:1, Remaining is ferrum.
Further, described high-hardness high-strength alloy steel chemical composition and mass percent be: carbon 0.25%, silicon 0.42%, Manganese 1.4%, beryllium 0.08%, chromium 0.52%, nickel 1.2%, rubidium 0.08%, vanadium 0.03%, rhenium 0.08%, boron 0.04%, molybdenum 0.02%, Cobalt 0.04%, niobium 0.002%, nitrogen 0.007%, zinc and thorium totally 0.06%, the ratio of mass percent shared by zinc and thorium is 5:1, Remaining is ferrum.
Further, described high-hardness high-strength alloy steel chemical composition and mass percent be: carbon 0.45%, silicon 0.48%, Manganese 1.8%, beryllium 0.12%, chromium 0.66%, nickel 1.6%, rubidium 0.12%, vanadium 0.05%, rhenium 0.14%, boron 0.06%, molybdenum 0.04%, Cobalt 0.06%, niobium 0.004%, nitrogen 0.009%, zinc and thorium totally 0.08%, the ratio of mass percent shared by zinc and thorium is 7:1, Remaining is ferrum.
Advantages of the present invention:
The high-hardness high-strength alloy Steel Properties that the present invention provides is excellent, 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: high-hardness high-strength alloy steel
Chemical composition and mass percent be: carbon 0.35%, silicon 0.45%, manganese 1.6%, beryllium 0.10%, chromium 0.59%, nickel 1.4%, Rubidium 0.10%, vanadium 0.04%, rhenium 0.11%, boron 0.05%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.008%, Zinc and thorium totally 0.07%, the ratio of mass percent shared by zinc and thorium is 6:1, and remaining is ferrum.
Embodiment 2: high-hardness high-strength alloy steel
Chemical composition and mass percent be: carbon 0.25%, silicon 0.42%, manganese 1.4%, beryllium 0.08%, chromium 0.52%, nickel 1.2%, Rubidium 0.08%, vanadium 0.03%, rhenium 0.08%, boron 0.04%, molybdenum 0.02%, cobalt 0.04%, niobium 0.002%, nitrogen 0.007%, Zinc and thorium totally 0.06%, the ratio of mass percent shared by zinc and thorium is 5:1, and remaining is ferrum.
Embodiment 3: high-hardness high-strength alloy steel
Chemical composition and mass percent be: carbon 0.45%, silicon 0.48%, manganese 1.8%, beryllium 0.12%, chromium 0.66%, nickel 1.6%, Rubidium 0.12%, vanadium 0.05%, rhenium 0.14%, boron 0.06%, molybdenum 0.04%, cobalt 0.06%, niobium 0.004%, nitrogen 0.009%, Zinc and thorium totally 0.08%, the ratio of mass percent shared by zinc and thorium is 7:1, and remaining is ferrum.
Embodiment 4: high-hardness high-strength alloy steel
Chemical composition and mass percent be: carbon 0.35%, silicon 0.45%, manganese 1.6%, beryllium 0.10%, chromium 0.59%, nickel 1.4%, Rubidium 0.10%, vanadium 0.04%, rhenium 0.11%, boron 0.05%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.008%, Zinc and thorium totally 0.07%, the ratio of mass percent shared by zinc and thorium is 5:1, and remaining is ferrum.
Embodiment 5: high-hardness high-strength alloy steel
Chemical composition and mass percent be: carbon 0.35%, silicon 0.45%, manganese 1.6%, beryllium 0.10%, chromium 0.59%, nickel 1.4%, Rubidium 0.10%, vanadium 0.04%, rhenium 0.11%, boron 0.05%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.008%, Zinc and thorium totally 0.07%, the ratio of mass percent shared by zinc and thorium is 7:1, and remaining is ferrum.
Embodiment 6: comparative example
Chemical composition and mass percent be: carbon 0.35%, silicon 0.45%, manganese 1.6%, beryllium 0.10%, chromium 0.59%, nickel 1.4%, Rubidium 0.10%, vanadium 0.04%, rhenium 0.11%, boron 0.05%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.008%, Zinc and thorium totally 0.07%, the ratio of mass percent shared by zinc and thorium is 4:1, and remaining is ferrum.
Embodiment 7: comparative example
Chemical composition and mass percent be: carbon 0.35%, silicon 0.45%, manganese 1.6%, beryllium 0.10%, chromium 0.59%, nickel 1.4%, Rubidium 0.10%, vanadium 0.04%, rhenium 0.11%, boron 0.05%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.008%, Zinc and thorium totally 0.07%, the ratio of mass percent shared by zinc and thorium is 8:1, and remaining is ferrum.
Embodiment 8: effect example
The yield strength of difference testing example 1～7 steel alloy and tensile strength.
Result see table.
Steel samples Yield strength (MPa) Tensile strength (MPa)
Embodiment 1 2190 3260
Embodiment 4 2050 3180
Embodiment 5 2080 3190
Embodiment 6 890 1480
Embodiment 7 910 1510
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, length in service life creep 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. a high-hardness high-strength alloy steel, it is characterised in that its chemical composition and mass percent be: carbon 0.25～0.45%, Silicon 0.42～0.48%, manganese 1.4～1.8%, beryllium 0.08～0.12%, chromium 0.52～0.66%, nickel 1.2～1.6%, rubidium 0.08～0.12%, Vanadium 0.03～0.05%, rhenium 0.08～0.14%, boron 0.04～0.06%, molybdenum 0.02～0.04%, cobalt 0.04～0.06%, niobium 0.002～0.004%, Nitrogen 0.007～0.009%, zinc and thorium totally 0.06～0.08%, the ratio of mass percent shared by zinc and thorium is 5～7:1, and remaining is ferrum.
High-hardness high-strength alloy steel the most according to claim 1, it is characterised in that its chemical composition and mass percent For: carbon 0.35%, silicon 0.45%, manganese 1.6%, beryllium 0.10%, chromium 0.59%, nickel 1.4%, rubidium 0.10%, vanadium 0.04%, Rhenium 0.11%, boron 0.05%, molybdenum 0.03%, cobalt 0.05%, niobium 0.003%, nitrogen 0.008%, zinc and thorium totally 0.07%, zinc and The ratio of mass percent shared by thorium is 6:1, and remaining is ferrum.
High-hardness high-strength alloy steel the most according to claim 1, it is characterised in that its chemical composition and mass percent For: carbon 0.25%, silicon 0.42%, manganese 1.4%, beryllium 0.08%, chromium 0.52%, nickel 1.2%, rubidium 0.08%, vanadium 0.03%, Rhenium 0.08%, boron 0.04%, molybdenum 0.02%, cobalt 0.04%, niobium 0.002%, nitrogen 0.007%, zinc and thorium totally 0.06%, zinc and The ratio of mass percent shared by thorium is 5:1, and remaining is ferrum.
High-hardness high-strength alloy steel the most according to claim 1, it is characterised in that its chemical composition and mass percent For: carbon 0.45%, silicon 0.48%, manganese 1.8%, beryllium 0.12%, chromium 0.66%, nickel 1.6%, rubidium 0.12%, vanadium 0.05%, Rhenium 0.14%, boron 0.06%, molybdenum 0.04%, cobalt 0.06%, niobium 0.004%, nitrogen 0.009%, zinc and thorium totally 0.08%, zinc and The ratio of mass percent shared by thorium is 7:1, and remaining is ferrum.
CN201610551181.6A 2016-07-11 2016-07-11 High-hardness and high-strength alloy steel and application of the alloy steel in manufacturing of drilling rod Pending CN106011645A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108165875A (en) * 2017-12-07 2018-06-15 安徽科汇钢结构工程有限公司 High intensity box column

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1316540A (en) * 2000-03-30 2001-10-10 住友金属工业株式会社 Heat-resisting steel
JP2008056991A (en) * 2006-08-31 2008-03-13 Nippon Steel Corp High strength thin steel sheet with excellent delayed fracture resistance after forming and method for producing the same
WO2012005975A1 (en) * 2010-06-28 2012-01-12 Mcconway & Torley, Llc Improved ferro-alloys
CN105695866A (en) * 2016-04-23 2016-06-22 徐挺 High-temperature-resistant alloy steel and preparation method thereof
CN105734420A (en) * 2016-03-17 2016-07-06 温岭市创嘉信息科技有限公司 Alloy steel new material resisting high temperature oxidation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1316540A (en) * 2000-03-30 2001-10-10 住友金属工业株式会社 Heat-resisting steel
JP2008056991A (en) * 2006-08-31 2008-03-13 Nippon Steel Corp High strength thin steel sheet with excellent delayed fracture resistance after forming and method for producing the same
WO2012005975A1 (en) * 2010-06-28 2012-01-12 Mcconway & Torley, Llc Improved ferro-alloys
CN105734420A (en) * 2016-03-17 2016-07-06 温岭市创嘉信息科技有限公司 Alloy steel new material resisting high temperature oxidation
CN105695866A (en) * 2016-04-23 2016-06-22 徐挺 High-temperature-resistant alloy steel and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
曾正明等: "《实用金属材料选用手册》", 31 March 2012 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108165875A (en) * 2017-12-07 2018-06-15 安徽科汇钢结构工程有限公司 High intensity box column

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