KR960023181A - High carbon, high chrome bearing steel with excellent fatigue life - Google Patents

High carbon, high chrome bearing steel with excellent fatigue life Download PDF

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Publication number
KR960023181A
KR960023181A KR1019940035720A KR19940035720A KR960023181A KR 960023181 A KR960023181 A KR 960023181A KR 1019940035720 A KR1019940035720 A KR 1019940035720A KR 19940035720 A KR19940035720 A KR 19940035720A KR 960023181 A KR960023181 A KR 960023181A
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KR
South Korea
Prior art keywords
less
fatigue life
bearing steel
excellent fatigue
high carbon
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Application number
KR1019940035720A
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Korean (ko)
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KR970010805B1 (en
Inventor
신병현
최종훈
최해창
Original Assignee
김만제
포항종합제철 주식회사
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Application filed by 김만제, 포항종합제철 주식회사 filed Critical 김만제
Priority to KR1019940035720A priority Critical patent/KR970010805B1/en
Publication of KR960023181A publication Critical patent/KR960023181A/en
Application granted granted Critical
Publication of KR970010805B1 publication Critical patent/KR970010805B1/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
    • C22C38/18—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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Rolling Contact Bearings (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

본 발명은 통상의 산소함량을 갖는 베어링강에 함유되는 황화물의 함량을 저감시켜 베링강의 피로수명을 향상시킬 수 있으면서도 산소의 저감과 테릴륨의 첨가를 배제하여 그 만큼의 제조원가를 절감할 수 있게 하는 피로수명이 우수한 고탄소 고크롬계의 베어링강을 제공하기 위하여 중량퍼센트로 C : 0.95∼1.10%, Si : 0.15∼0.35%, Mn : 0.5% 이하, Cr : 1.30∼1.60%, p : 0.001% 이하, S : 0.001∼0.01%, Ti : 0.004% 이하, Al : 0.01% 이하, O2: 25ppm 이하, 잔부가 Fe 및 불가역적의 불순물로 조성됨을 특징으로 한다.The present invention can reduce the content of sulfides contained in the bearing steel having a normal oxygen content to improve the fatigue life of the bering steel, while reducing the oxygen and the addition of teryllium to reduce the manufacturing cost as much In order to provide high carbon high chromium-based bearing steel with excellent fatigue life, C: 0.95 to 1.10%, Si: 0.15 to 0.35%, Mn: 0.5% or less, Cr: 1.30 to 1.60%, p: 0.001% Hereinafter, S: 0.001 to 0.01%, Ti: 0.004% or less, Al: 0.01% or less, O 2 : 25 ppm or less, and the balance is characterized by being composed of Fe and irreversible impurities.

Description

피로수명이 우수한 고탄소 고크롬계의 베어링강High carbon, high chrome bearing steel with excellent fatigue life

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (1)

중량퍼센트로 C : 0.95∼1.10%, Si : 0.15∼0.35%, Mn : 0.5% 이하, Cr : 1.30∼1.60%, p : 0.001% 이하, S : 0.001∼0.01%, Ti : 0.004% 이하, Al : 0.01% 이하, O2: 25ppm 이하, 잔부가 Fe 및 불가역적의 불순물로 조성됨을 특징으로 하는 피로수명이 우수한 고탄소 고크롬계의 베어링강.C: 0.95 to 1.10% by weight, Si: 0.15 to 0.35%, Mn: 0.5% or less, Cr: 1.30 to 1.60%, p: 0.001% or less, S: 0.001 to 0.01%, Ti: 0.004% or less, Al A high carbon high chromium-based bearing steel having a fatigue life, characterized in that: 0.01% or less, O 2 : 25 ppm or less, and the remainder is composed of Fe and irreversible impurities. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940035720A 1994-12-21 1994-12-21 High carbon -high chrome bearing steel KR970010805B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940035720A KR970010805B1 (en) 1994-12-21 1994-12-21 High carbon -high chrome bearing steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940035720A KR970010805B1 (en) 1994-12-21 1994-12-21 High carbon -high chrome bearing steel

Publications (2)

Publication Number Publication Date
KR960023181A true KR960023181A (en) 1996-07-18
KR970010805B1 KR970010805B1 (en) 1997-07-01

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ID=19402736

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940035720A KR970010805B1 (en) 1994-12-21 1994-12-21 High carbon -high chrome bearing steel

Country Status (1)

Country Link
KR (1) KR970010805B1 (en)

Also Published As

Publication number Publication date
KR970010805B1 (en) 1997-07-01

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