KR940005823A - P-added Fe-Cr alloy with excellent corrosion resistance - Google Patents

P-added Fe-Cr alloy with excellent corrosion resistance Download PDF

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Publication number
KR940005823A
KR940005823A KR1019930008747A KR930008747A KR940005823A KR 940005823 A KR940005823 A KR 940005823A KR 1019930008747 A KR1019930008747 A KR 1019930008747A KR 930008747 A KR930008747 A KR 930008747A KR 940005823 A KR940005823 A KR 940005823A
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KR
South Korea
Prior art keywords
corrosion resistance
alloy
added
excellent corrosion
weight
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Application number
KR1019930008747A
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Korean (ko)
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KR960005601B1 (en
Inventor
미쓰유끼 후지사와
후사오 도가시
야스시 가또
요시히로 야사와
스스무 사또
사또시 오오와다
Original Assignee
도사끼 시노부
가와사끼 세이데쓰 가부시끼가이샤
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Publication of KR940005823A publication Critical patent/KR940005823A/en
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Publication of KR960005601B1 publication Critical patent/KR960005601B1/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
    • 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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • 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

Abstract

Fe-Cr합금에 불순물로서 존재하는 CNO 및 S의 양을 현저히 감소시킴과 동시에, 특정량의 P를 함유시킨 Fe-Cr합금에 Ti. Nb, V, Zr, Ta. W 및 B로 부터 선택된 1종이상을 특정량 첨가하고, 또한, 특정량이 Mo를 첨가하고, 또한 Ni. Co및 Cu로 부터 선택되는 1종이상을 특정량 첨가하고, Al, Si. Mn으로 부터 선택되는 1종이상을 특정량 첨가시키므로서. 내부식성 내기후성 내입자계면부식성 내구성 부식성 내산성 및 내산화성이 현저히 개선되고, 또한. Cr함유량이 5중량%이상 C,N,0및 S의 합계량이 100ppm이하 P함유량이 0.01-1.0중량%이며, 잔여부 Fe 및 불가피적 불순물로된 내부식성이 우수한 Fe-Cr합금을 제공하는 것이다The amount of CNO and S present as impurities in the Fe-Cr alloy was remarkably reduced, and at the same time, Ti. Nb, V, Zr, Ta. A specific amount is added at least one selected from W and B, and a specific amount is added to Mo, and Ni. A specific amount of at least one selected from Co and Cu is added, and Al, Si. By adding a specific amount of one or more selected from Mn. Corrosion resistance Weather resistance Weather resistance Corrosion resistance Durability Corrosion resistance and oxidation resistance are remarkably improved. It is to provide a Fe-Cr alloy with excellent corrosion resistance, with a Cr content of 5% by weight or more, C, N, 0, and S in a total content of 100 ppm or less and a P content of 0.01-1.0% by weight.

Description

내부식성이 우수한 P첨가 Fe-Cr합금P-added Fe-Cr alloy with excellent corrosion resistance

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

제1도는 내부식성과 C,N,O 및 S의 함계랑과의 관계를 나타내는 도면, 제2도는 내기후성과 P함유량과의 관계를 나타내는 도면, 제3도는 내구멍부식성과 C,N,0 및 S의 합계량과의 관계를 나타내는 도면. 제4도는 내구멍부 식성과 Mo 함유량과의 관계를 나타내는 도면, 제5도는 내산화성과 Ni+co +2cu값과의 관계를 나타내는 도면, 제5도는 내산화성과 3A1+2Si-7Mn 값과의 관계를 나타내는 도면.1 is a diagram showing the relationship between corrosion resistance and the shell of the C, N, O and S, 2 is a diagram showing the relationship between weather resistance and P content, 3 is a hole corrosion resistance and C, N, 0 And a diagram showing a relationship with the total amount of S; FIG. 4 is a diagram showing the relationship between corrosion resistance and Mo content, and FIG. 5 is a diagram showing the relationship between oxidation resistance and Ni + co + 2cu value, and FIG. 5 is a diagram showing oxidation resistance and 3A1 + 2Si-7Mn value. A diagram showing a relationship.

Claims (7)

Cr함유량이 5중량%이상. C,N,0및 S의 합계랑이 100ppm 1이하, p함유랑이 0.01-1.0중량%이며. 잔여부 Fe 및 불가피적 불순물로된 것을 특징으로 하는 내부식성이 우수한 Fe-Cr합금.Cr content is 5% by weight or more. The sum of C, N, 0 and S is 100 ppm or less, and the p content is 0.01-1.0 wt%. Fe-Cr alloy having excellent corrosion resistance, characterized by remaining Fe and unavoidable impurities. 제1항에 있어서, Al . 1. 0중량%이하, Si : 1. 0중량%이하, Mn : 1.0중랑%이하를 함유하는 것을 특징으로 하는 내부식성이 우수한 Fe-Cr합금.The compound of claim 1, wherein Al. 1. Fe-Cr alloy having excellent corrosion resistance, characterized by containing 0% by weight or less, Si: 1.0% by weight or less, and Mn: 1.0% by weight. 제1항 또는 제2항에 있어서, Ti, Nb, V, Z, Ta, W 또는 B로 부터 선택된 1종이상을 하기의 식 (I)을 만족시키는 양을 함유한 것을 특징으로 하는 내부식성이 우수한 Fe-Cr합금.The corrosion resistance according to claim 1 or 2, wherein at least one member selected from Ti, Nb, V, Z, Ta, W or B contains an amount that satisfies the following formula (I). Excellent Fe-Cr alloy. 제1항, 제2항 또는 제3항 중의 어느 한항에 있어서, Mo : 0.05-20중량%를 함유하는 것을 특징으로 하는 내부식성이 우수한 Fe-Cr합금.The Fe-Cr alloy having excellent corrosion resistance according to any one of claims 1, 2, or 3, which contains Mo: 0.05-20% by weight. 제1항 제2항, 제3항 또는 제4항 중의 어느한항에 있어서, Ni, Co및 Cu로 부터 선택되는 1종 이상을 하기식 (2)를 만족시키는 양을 함유한 것을 특징으로 하는 내부식성이 우수한 Fe-Cr합금.The method according to any one of claims 1 to 6, wherein at least one selected from Ni, Co, and Cu contains an amount that satisfies the following formula (2). Fe-Cr alloy with excellent corrosion resistance. 제1항. 제3항, 제4항 또는 제5항 중의 어느 한항에 있어서, Al, Si 및 Mn으로 부터 선택되는 1종이상을 하기식 (3)을 만족시키는 양을 함유한 것을 특징으로 하는 내부식성이 우수한 Fe-Cr합금Article 1 The corrosion resistance according to any one of claims 3, 4, and 5, wherein at least one member selected from Al, Si, and Mn contains an amount that satisfies the following formula (3). Fe-Cr alloy 제1항, 제3항, 제4항또는 제5항 중의 어느 한항에 있어서, Ni, Co및 Cu로부터 선택되는 1종이상을 하기식 (2)를 만족시키는 양을 함유하고, Al, Si및 Mn으로 부터 선택되는 1종이상을 하기식 (3)을 만족시키는 양을 함유 하는 것을 특징으로 하는 내부식성이 우수한 Fe-Cr합금.The method according to any one of claims 1, 3, 4, or 5, wherein at least one selected from Ni, Co, and Cu contains an amount that satisfies the following formula (2), and Al, Si, and Fe-Cr alloy having excellent corrosion resistance, characterized in that it contains an amount of at least one selected from Mn to satisfy the following formula (3). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930008747A 1992-05-21 1993-05-21 Iron-chromium alloy with high corrosion resistance KR960005601B1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP92-128627 1992-05-21
JP12862792 1992-05-21
JP13244692 1992-05-25
JP92-132549 1992-05-25
JP92-132446 1992-05-25
JP13254992 1992-05-25
JP92-136778 1992-05-25
JP13677892 1992-05-28

Publications (2)

Publication Number Publication Date
KR940005823A true KR940005823A (en) 1994-03-22
KR960005601B1 KR960005601B1 (en) 1996-04-26

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KR1019930008747A KR960005601B1 (en) 1992-05-21 1993-05-21 Iron-chromium alloy with high corrosion resistance

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EP (1) EP0570985B1 (en)
KR (1) KR960005601B1 (en)
DE (1) DE69330580T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6507769B2 (en) 1999-03-10 2003-01-14 Laurel Bank Machines Co., Ltd. Bill arranger

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2123470C (en) * 1993-05-19 2001-07-03 Yoshihiro Yazawa Ferritic stainless steel exhibiting excellent atmospheric corrosion resistance and crevice corrosion resistance
US6207103B1 (en) 1997-08-01 2001-03-27 Kawasaki Steel Corporation Fe-Cr-Si steel sheets having excellent corrosion resistance and method for manufacturing the same
AUPP042597A0 (en) * 1997-11-17 1997-12-11 Ceramic Fuel Cells Limited A heat resistant steel
KR100503548B1 (en) * 2000-05-31 2005-07-25 제이에프이 스틸 가부시키가이샤 Iron-chrome alloy having excellent initial rust resistance, workability and weldability

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Publication number Priority date Publication date Assignee Title
US2402424A (en) * 1945-01-20 1946-06-18 Roy B Mccauley Hard alloys
US3992198A (en) * 1973-06-21 1976-11-16 E. I. Du Pont De Nemours & Company Ductile chromium-containing ferritic alloys
US4360381A (en) * 1980-04-11 1982-11-23 Sumitomo Metal Industries, Ltd. Ferritic stainless steel having good corrosion resistance
JPS59123745A (en) * 1982-12-29 1984-07-17 Nisshin Steel Co Ltd Corrosion resistant alloy
FR2648210B1 (en) * 1989-06-07 1991-09-06 Sofanou Sa CONNECTING ELEMENT FOR ANNELATED TUBES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6507769B2 (en) 1999-03-10 2003-01-14 Laurel Bank Machines Co., Ltd. Bill arranger

Also Published As

Publication number Publication date
EP0570985B1 (en) 2001-08-16
DE69330580D1 (en) 2001-09-20
DE69330580T2 (en) 2001-11-29
EP0570985A1 (en) 1993-11-24
KR960005601B1 (en) 1996-04-26

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