KR920000948A - Manufacturing method of mooring chain steel with excellent impact resistance and weldability - Google Patents

Manufacturing method of mooring chain steel with excellent impact resistance and weldability Download PDF

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Publication number
KR920000948A
KR920000948A KR1019900009900A KR900009900A KR920000948A KR 920000948 A KR920000948 A KR 920000948A KR 1019900009900 A KR1019900009900 A KR 1019900009900A KR 900009900 A KR900009900 A KR 900009900A KR 920000948 A KR920000948 A KR 920000948A
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KR
South Korea
Prior art keywords
weldability
manufacturing
impact resistance
excellent impact
mooring chain
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Application number
KR1019900009900A
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Korean (ko)
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KR920010228B1 (en
Inventor
남철우
소진왕
Original Assignee
장양술
기아특수강 주식회사
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Priority to KR1019900009900A priority Critical patent/KR920010228B1/en
Publication of KR920000948A publication Critical patent/KR920000948A/en
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Publication of KR920010228B1 publication Critical patent/KR920010228B1/en

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    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese

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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)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

내용 없음.No content.

Description

내충격성 및 용접성이 우수한 무어링 체인강의 제조방법Manufacturing method of mooring chain steel with excellent impact resistance and weldability

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

Claims (1)

탄소 0.20~0.35%, 규소 0.20~0.35%, 망간 1.50~1.90%, 인 0.03%이하, 황 0.03%이하, 니오비움 0.02~0.1%, 알루미늄 0.02~0.08%를 첨가하여 1250±50℃로 가열 925±25℃로 마무리 압연하며, 850~860℃에서 소입(Quenching)한후 600℃~650℃에서 소려(Tempering)하는 것을 특징으로 하는 내충격성 및 용접성이 우수한 무어링 체인강의 제조방법.0.20 ~ 0.35% of carbon, 0.20 ~ 0.35% of silicon, 1.50 ~ 1.90% of manganese, 0.03% or less of phosphorus, 0.03% or less of sulfur, 0.02 ~ 0.1% of niobium, and 0.02 ~ 0.08% of aluminum, heating to 1250 ± 50 ℃ Finish-rolled to ± 25 ℃, quenched at 850 ~ 860 ℃ and then annealed at 600 ℃ ~ 650 ℃ (Tempering) characterized in that the manufacturing method of mooring chain steel with excellent impact resistance and weldability. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900009900A 1990-06-30 1990-06-30 Making process for mooring chain steel having a good weldabilty KR920010228B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900009900A KR920010228B1 (en) 1990-06-30 1990-06-30 Making process for mooring chain steel having a good weldabilty

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900009900A KR920010228B1 (en) 1990-06-30 1990-06-30 Making process for mooring chain steel having a good weldabilty

Publications (2)

Publication Number Publication Date
KR920000948A true KR920000948A (en) 1992-01-29
KR920010228B1 KR920010228B1 (en) 1992-11-21

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KR1019900009900A KR920010228B1 (en) 1990-06-30 1990-06-30 Making process for mooring chain steel having a good weldabilty

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118147422A (en) * 2024-03-22 2024-06-07 江苏理研科技股份有限公司 Heat treatment process for solving coarse crystal problem of SCM820 gear

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101657421B1 (en) * 2015-09-22 2016-09-13 현대제철 주식회사 Chain steel and manufacturing method thereof
CN109517962A (en) * 2018-12-08 2019-03-26 江苏亚星锚链股份有限公司 A kind of big specification mooring cable heat-treatment production line
CN109457085A (en) * 2018-12-08 2019-03-12 江苏亚星锚链股份有限公司 A kind of heat treatment process of mooring cable
CN109504825A (en) * 2018-12-11 2019-03-22 江苏亚星锚链股份有限公司 A kind of heat treatment process of R6 grades of mooring cable inboard end chain length
CN109628720A (en) * 2018-12-11 2019-04-16 江苏亚星锚链股份有限公司 The two of a kind of big specification mooring cable quench a heat-treatment production line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118147422A (en) * 2024-03-22 2024-06-07 江苏理研科技股份有限公司 Heat treatment process for solving coarse crystal problem of SCM820 gear

Also Published As

Publication number Publication date
KR920010228B1 (en) 1992-11-21

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