KR960023185A - High Strength High Corrosion Resistance Martensitic Stainless Steel - Google Patents

High Strength High Corrosion Resistance Martensitic Stainless Steel Download PDF

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Publication number
KR960023185A
KR960023185A KR1019940038796A KR19940038796A KR960023185A KR 960023185 A KR960023185 A KR 960023185A KR 1019940038796 A KR1019940038796 A KR 1019940038796A KR 19940038796 A KR19940038796 A KR 19940038796A KR 960023185 A KR960023185 A KR 960023185A
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KR
South Korea
Prior art keywords
less
corrosion resistance
strength
stainless steel
resistance
Prior art date
Application number
KR1019940038796A
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Korean (ko)
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KR970009523B1 (en
Inventor
박용수
김순태
박희상
전유택
Original Assignee
박용수
김순태
박희상
전유택
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 박용수, 김순태, 박희상, 전유택 filed Critical 박용수
Priority to KR1019940038796A priority Critical patent/KR970009523B1/en
Publication of KR960023185A publication Critical patent/KR960023185A/en
Application granted granted Critical
Publication of KR970009523B1 publication Critical patent/KR970009523B1/en

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Classifications

    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/02—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
    • C22C38/04—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Abstract

본 발명은 고강도이면서 염소이온이 존재하는 부식분위기하에서 우수한 내식성 및 내마모성을 가지는 고강도 고내시성 마르텐사이트계 스테인레스강에 관한 것으로, 구체적인 조성은 중량%로 크롬 12∼16%, 니켈 5% 이하, 몰리브덴 0.5∼5%, 탄소 0.1∼0.6%, 질소 0.05∼0.3%, 바나듐 0.5% 이하, 규소 2.0% 이하, 망간 2.0% 이하 및 잔여철로 이루어진다. 따라서 본 발명 합금은 부동태 피막을 치밀하게 하여 내식성을 현저히 증가시킬 수 있도록 몰리브덴과 질소를 첨가하여 내식성을 향상시키고자 하였으며, 또한 몰리브덴 첨가에 따른 페라이트상의 형성으로 강도 및 경도의 저하를 막기 위해 오스테나이트 안정화 원소인 질소, 탄소, 니켈을 적절한 함량 수준으로 조정하여 고온에서 오스테나이트 단상조직이 얻어지도록 함으로써 냉각시 마르텐사이트 변태를 일으켜 강도 및 경도의 향상을 도모하여 기존의 마르텐사이트계 스테인레스강의 사용분야 이외에 보다 우수한 내시성과 강도를 요구하는 다양한 산업분야에 광범위하게 사용가능하고, 경제적인 측면에서도 범용 스테인레스강 AISI 304보다 저렴한 비용으로 제조가능하므로 그 용도가 매우 다양해지는 효과가 있다.The present invention relates to a high strength, high resistance martensitic stainless steel having high corrosion resistance and abrasion resistance in a corrosion atmosphere in which chlorine ions are present, and the specific composition is 12% by weight to 16% of chromium, 5% or less of nickel, and 0.5 molybdenum. -5%, carbon 0.1-0.6%, nitrogen 0.05-0.3%, vanadium 0.5% or less, silicon 2.0% or less, manganese 2.0% or less, and residual iron. Therefore, the alloy of the present invention intends to improve the corrosion resistance by adding molybdenum and nitrogen so as to increase the corrosion resistance by densifying the passivation film, and also to prevent a decrease in strength and hardness by forming a ferrite phase by adding molybdenum. By adjusting the stabilizing elements nitrogen, carbon, and nickel to the appropriate content level to obtain austenite single phase structure at high temperature, it causes martensite transformation during cooling to improve the strength and hardness. It can be widely used in various industrial fields requiring more excellent resistance and strength, and economically, since it can be manufactured at a lower cost than general-purpose stainless steel AISI 304, its use is very versatile.

Description

고강도 고내식성 마르텐사이트계 스테인레스강High Strength High Corrosion Resistance Martensitic Stainless Steel

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

Claims (1)

중량%로 크롬 12∼16%, 니켈 5% 이하, 몰리브덴 0.5∼5%, 탄소 0.1∼0.6%, 질소 0.05∼0.3%, 바나듐 0.5% 이하, 규소 2.0% 이하, 망간 2.0%이하 및 잔여철로 이루어짐을 특징으로 하는 고강도 고내식성 마르텐사이트계 스테인레스강.It is composed of 12% to 16% chromium, 5% or less nickel, 0.5 to 5% molybdenum, 0.1 to 0.6% carbon, 0.05 to 0.3% nitrogen, 0.5% or less vanadium, 2.0% or less silicon, 2.0% or less manganese and residual iron High strength, high corrosion resistance martensitic stainless steel, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940038796A 1994-12-29 1994-12-29 High strength & high corrosion resistance of martensite stainless steel KR970009523B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940038796A KR970009523B1 (en) 1994-12-29 1994-12-29 High strength & high corrosion resistance of martensite stainless steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940038796A KR970009523B1 (en) 1994-12-29 1994-12-29 High strength & high corrosion resistance of martensite stainless steel

Publications (2)

Publication Number Publication Date
KR960023185A true KR960023185A (en) 1996-07-18
KR970009523B1 KR970009523B1 (en) 1997-06-14

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KR1019940038796A KR970009523B1 (en) 1994-12-29 1994-12-29 High strength & high corrosion resistance of martensite stainless steel

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010097129A (en) * 2000-04-20 2001-11-08 이구택 Nitrogen bearing martensitic stainless steel
KR20050054058A (en) * 2003-12-03 2005-06-10 주식회사 포스코 Corrosion-resistive martensite stainless steel having no pin hole defect

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100329841B1 (en) * 1999-08-16 2002-03-25 박용수 Martensitic stainless steel for golf club head
KR101423826B1 (en) * 2012-07-16 2014-07-25 주식회사 포스코 Martensitic stainless steel and the method of manufacturing the same
US20180274050A1 (en) * 2014-11-04 2018-09-27 Dresser-Rand Company Corrosion resistant metals and metal compositions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010097129A (en) * 2000-04-20 2001-11-08 이구택 Nitrogen bearing martensitic stainless steel
KR20050054058A (en) * 2003-12-03 2005-06-10 주식회사 포스코 Corrosion-resistive martensite stainless steel having no pin hole defect

Also Published As

Publication number Publication date
KR970009523B1 (en) 1997-06-14

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