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CN106801192A - A kind of enhanced bearing steel of Brinell hardness - Google Patents

A kind of enhanced bearing steel of Brinell hardness Download PDF

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CN106801192A
CN106801192A CN201510835230.4A CN201510835230A CN106801192A CN 106801192 A CN106801192 A CN 106801192A CN 201510835230 A CN201510835230 A CN 201510835230A CN 106801192 A CN106801192 A CN 106801192A
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bearing steel
brinell hardness
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present
ytterbium
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徐文萍
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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
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • 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
    • C22C38/06—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
    • C22C38/12—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
    • C22C38/14—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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Rolling Contact Bearings (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

The present invention relates to a kind of enhanced bearing steel of Brinell hardness, its composition is (in terms of weight %)：0.25% to 0.29% carbon；0.10% to 1.20% manganese；0.09% to 0.13% phosphorus；0.10% to 0.19% sulphur；0.60% to 1.00% silicon；≤ 0.09% aluminium；≤ 0.01% nitrogen；0.45% to 0.83% chromium；0.04% to 0.07% niobium；≤ 0.50% copper；0.25% to 0.70% europium；0.2% to 2.00% molybdenum；0.2% to 0.4% vanadium；0.0075% to 0.0095% ytterbium；0.010% to 0.050% titanium：Remaining is iron and inevitable impurity.Bearing steel of the present invention has enhanced Brinell hardness, can be widely applied to field of bearings.

Description

一种布氏硬度增强的轴承钢A bearing steel with enhanced Brinell hardness

技术领域 technical field

本发明涉及轴承领域，具体地说，涉及一种布氏硬度增强的轴承钢。 The invention relates to the field of bearings, in particular to a bearing steel with enhanced Brinell hardness.

背景技术 Background technique

轴承是生产中最常用的零部件，但是由于目前对于轴承的要求 Bearings are the most commonly used parts in production, but due to the current requirements for bearings

越来越高，目前的一些轴承已经满足不了要求。 Higher and higher, some of the current bearings can no longer meet the requirements.

发明内容 Contents of the invention

本发明的目的是提供一种布氏硬度增强的轴承钢。 The object of the present invention is to provide a bearing steel with enhanced Brinell hardness.

为了实现本发明的目的，本发明提供一种布氏硬度增强的轴承钢，它的组成为(以重量％计)： In order to realize the purpose of the present invention, the present invention provides a kind of Brinell hardness enhanced bearing steel, and its composition is (by weight %):

0.25％至0.29％的碳； 0.25% to 0.29% carbon;

0.10％至1.20％的锰； 0.10% to 1.20% manganese;

0.09％至0.13％的磷； 0.09% to 0.13% phosphorus;

0.10％至0.19％的硫； 0.10% to 0.19% sulfur;

0.60％至1.00％的硅； 0.60% to 1.00% silicon;

≤0.09％的铝； ≤0.09% aluminum;

≤0.01％的氮； ≤0.01% nitrogen;

0.45％至0.83％的铬； 0.45% to 0.83% chromium;

0.04％至0.07％的铌； 0.04% to 0.07% niobium;

≤0.50％的铜； ≤0.50% copper;

0.25％至0.70％的铕； 0.25% to 0.70% europium;

0.2％至2.00％的钼； 0.2% to 2.00% molybdenum;

0.2％至0.4％的钒； 0.2% to 0.4% vanadium;

0.0075％至0.0095％的镱； 0.0075% to 0.0095% ytterbium;

0.010％至0.050％的钛： 0.010% to 0.050% titanium:

其余为铁和不可避免的杂质。 The rest is iron and unavoidable impurities.

优选地，本发明所述的布氏硬度增强的轴承钢的组成为(以重量％计)： Preferably, the composition of the bearing steel with enhanced Brinell hardness according to the present invention is (by weight %):

0.27％的碳； 0.27% carbon;

0.60％的锰； 0.60% manganese;

0.10％的磷； 0.10% phosphorus;

0.16％的硫； 0.16% sulfur;

0.80％的硅； 0.80% silicon;

0.03％的铝； 0.03% aluminum;

0.005％的氮； 0.005% nitrogen;

0.57％的铬； 0.57% chromium;

0.05％的铌； 0.05% niobium;

0.30％的铜； 0.30% copper;

0.55％的铕； 0.55% europium;

1.00％的钼； 1.00% molybdenum;

0.3％的钒； 0.3% vanadium;

0.0085％的镱； 0.0085% ytterbium;

0.035％的钛： 0.035% Titanium:

其余为铁和不可避免的杂质。 The rest is iron and unavoidable impurities.

本发明所述的轴承钢具有增强的布氏硬度，可以广泛用于轴承领域。 The bearing steel of the invention has enhanced Brinell hardness and can be widely used in the field of bearings.

具体实施方式 detailed description

以下通过具体实施方式的描述对本发明作进一步说明，但这并非是对本发明的限制，本领域技术人员根据本发明的基本思想，可以做出各种修改或改进，但是只要不脱离本发明的基本思想，均在本发明的范围之内。 The present invention will be further described below through the description of specific embodiment, but this is not limitation to the present invention, those skilled in the art can make various modifications or improvements according to the basic idea of the present invention, but as long as not departing from the basic principle of the present invention Thoughts are all within the scope of the present invention.

实施例1轴承钢的制备 The preparation of embodiment 1 bearing steel

布氏硬度增强的轴承钢的组成为(以重量％计)： The composition of the Brinell-hardened enhanced bearing steel is (by weight %):

0.27％的碳； 0.27% carbon;

0.60％的锰； 0.60% manganese;

0.10％的磷； 0.10% phosphorus;

0.16％的硫； 0.16% sulfur;

0.80％的硅； 0.80% silicon;

0.03％的铝； 0.03% aluminum;

0.005％的氮； 0.005% nitrogen;

0.57％的铬； 0.57% chromium;

0.05％的铌； 0.05% niobium;

0.30％的铜； 0.30% copper;

0.55％的铕； 0.55% europium;

1.00％的钼； 1.00% molybdenum;

0.3％的钒； 0.3% vanadium;

0.0085％的镱； 0.0085% ytterbium;

0.035％的钛： 0.035% Titanium:

其余为铁和不可避免的杂质。 The rest is iron and unavoidable impurities.

将具有上述成分组成的30kg钢料在高频真空熔炉中熔融，随后进行浇铸，在该浇铸中冷却速度为1.6℃/min以形成锭料。将锭料在900℃下保持8小时，然后在550℃下保持60分钟。此后使用500吨锤式锻造机进行热锻，这样制得轴承钢1。 30 kg of steel material having the above composition was melted in a high-frequency vacuum furnace, followed by casting in which the cooling rate was 1.6° C./min to form an ingot. The ingot was held at 900°C for 8 hours and then at 550°C for 60 minutes. Thereafter, hot forging was performed using a 500-ton hammer forging machine, thus producing Bearing Steel 1 .

实施例2轴承钢的制备 The preparation of embodiment 2 bearing steel

按照和实施例1相同的方式制备轴承钢2，不同之处在于不使用钼。 Bearing steel 2 was prepared in the same manner as in Example 1, except that molybdenum was not used.

实施例3轴承钢的制备 Preparation of Embodiment 3 Bearing Steel

按照和实施例1相同的方式制备轴承钢3，不同之处在于不使用镱。 Bearing Steel 3 was prepared in the same manner as in Example 1 except that ytterbium was not used.

实施例4轴承钢的制备 The preparation of embodiment 4 bearing steel

按照和实施例1相同的方式制备轴承钢4，不同之处在于不使用铕。 Bearing steel 4 was prepared in the same manner as in Example 1, except that europium was not used.

实验例1 Experimental example 1

根据GB/T 231.1-2009来测定轴承钢1-4的布氏硬度。结果如下：轴承钢1的布氏硬度为263HRC，轴承钢2的布氏硬度为147HRC，轴承钢3的布氏硬度为165HRC，轴承钢4的布氏硬度为151HRC。 The Brinell hardness of bearing steel 1-4 is determined according to GB/T 231.1-2009. The results are as follows: the Brinell hardness of bearing steel 1 is 263HRC, the Brinell hardness of bearing steel 2 is 147HRC, the Brinell hardness of bearing steel 3 is 165HRC, and the Brinell hardness of bearing steel 4 is 151HRC.

实验例2 Experimental example 2

根据GB/T 228-2002测定抗拉强度。结果如下：轴承钢1的抗拉强度Rm为898兆帕，轴承钢2的抗拉强度Rm为656兆帕，轴承钢3的抗拉强度Rm为637兆帕，轴承钢4的抗拉强度Rm为643兆帕。 The tensile strength was determined according to GB/T 228-2002. The results are as follows: the tensile strength R m of bearing steel 1 is 898 MPa, the tensile strength R m of bearing steel 2 is 656 MPa, the tensile strength R m of bearing steel 3 is 637 MPa, and the tensile strength R m of bearing steel 4 is 637 MPa. The tensile strength R m was 643 MPa.

Claims (2)

1.一种布氏硬度增强的轴承钢，其特征在于，它的组成为(以重量％计)：1. A bearing steel with enhanced Brinell hardness, characterized in that it consists of (in weight %): 0.25％至0.29％的碳；0.25% to 0.29% carbon; 0.10％至1.20％的锰；0.10% to 1.20% manganese; 0.09％至0.13％的磷；0.09% to 0.13% phosphorus; 0.10％至0.19％的硫；0.10% to 0.19% sulfur; 0.60％至1.00％的硅；0.60% to 1.00% silicon; ≤0.09％的铝；≤0.09% aluminum; ≤0.01％的氮；≤0.01% nitrogen; 0.45％至0.83％的铬；0.45% to 0.83% chromium; 0.04％至0.07％的铌；0.04% to 0.07% niobium; ≤0.50％的铜；≤0.50% copper; 0.25％至0.70％的铕；0.25% to 0.70% europium; 0.2％至2.00％的钼；0.2% to 2.00% molybdenum; 0.2％至0.4％的钒；0.2% to 0.4% vanadium; 0.0075％至0.0095％的镱；0.0075% to 0.0095% ytterbium; 0.010％至0.050％的钛：0.010% to 0.050% titanium: 其余为铁和不可避免的杂质。The rest is iron and unavoidable impurities. 2.根据权利要求1所述的布氏硬度增强的轴承钢，其特征在于，它的组成为(以重量％计)：2. The bearing steel with enhanced Brinell hardness according to claim 1, characterized in that it consists of (in weight %): 0.27％的碳；0.27% carbon; 0.60％的锰；0.60% manganese; 0.10％的磷；0.10% phosphorus; 0.16％的硫；0.16% sulfur; 0.80％的硅；0.80% silicon; 0.03％的铝；0.03% aluminum; 0.005％的氮；0.005% nitrogen; 0.57％的铬；0.57% chromium; 0.05％的铌；0.05% niobium; 0.30％的铜；0.30% copper; 0.55％的铕；0.55% europium; 1.00％的钼；1.00% molybdenum; 0.3％的钒；0.3% vanadium; 0.0085％的镱；0.0085% ytterbium; 0.035％的钛：0.035% Titanium: 其余为铁和不可避免的杂质。The rest is iron and unavoidable impurities.
CN201510835230.4A 2015-11-26 2015-11-26 A kind of enhanced bearing steel of Brinell hardness Pending CN106801192A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040149359A1 (en) * 2002-12-03 2004-08-05 Herve Michaud Method of fabricating a steel forging, and a forging obtained thereby
CN103097565A (en) * 2010-09-15 2013-05-08 株式会社神户制钢所 Bearing steel
CN103436817A (en) * 2013-06-19 2013-12-11 浙江浦宁不锈钢有限公司 Strength-enhanced steel preparation method
JP5652555B2 (en) * 2011-10-20 2015-01-14 新日鐵住金株式会社 Bearing steel and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040149359A1 (en) * 2002-12-03 2004-08-05 Herve Michaud Method of fabricating a steel forging, and a forging obtained thereby
CN103097565A (en) * 2010-09-15 2013-05-08 株式会社神户制钢所 Bearing steel
JP5652555B2 (en) * 2011-10-20 2015-01-14 新日鐵住金株式会社 Bearing steel and manufacturing method thereof
CN103436817A (en) * 2013-06-19 2013-12-11 浙江浦宁不锈钢有限公司 Strength-enhanced steel preparation method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
何人葵 等: "《工程材料与热处理》", 31 July 2015, 北京：冶金工业出版社 *

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