KR970025768A - Roll having high strength material layer and manufacturing method - Google Patents

Roll having high strength material layer and manufacturing method Download PDF

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Publication number
KR970025768A
KR970025768A KR1019950042603A KR19950042603A KR970025768A KR 970025768 A KR970025768 A KR 970025768A KR 1019950042603 A KR1019950042603 A KR 1019950042603A KR 19950042603 A KR19950042603 A KR 19950042603A KR 970025768 A KR970025768 A KR 970025768A
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KR
South Korea
Prior art keywords
roll
material layer
strength material
layer
manufacturing
Prior art date
Application number
KR1019950042603A
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Korean (ko)
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KR0156301B1 (en
Inventor
김강형
류병진
Original Assignee
유상부
삼성중공업 주식회사
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Priority to KR1019950042603A priority Critical patent/KR0156301B1/en
Publication of KR970025768A publication Critical patent/KR970025768A/en
Application granted granted Critical
Publication of KR0156301B1 publication Critical patent/KR0156301B1/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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

본 발명은 열간압연 또는 연속주조 등과 같이 고온에서 사용되는 롤 표면의 내열성, 인성, 내마모성부족을 극복하기 위해 코팅 조직을 안정하고, 인성이 강한 조직으로 만들고 내마모성을 향상시키기 위한 방법으로 고용 강화시켜 기존 코팅 재료의 단점을 극복할 뿐만 아니라, 간단한 열처리에 의해 코팅 조직이 내마모성이 큰 고경도의 고용체가 되게 하여 고면압에 의해서도 연화되지 않는 내마모성, 내부식성과 인성을 향상시킬 수 있는 고강도 재질층을 갖는 롤과 그 제조방법에 관한 것으로, 몸체가 저합금강으로 구성되어 있고, 용접층은 무게분율(wt %)로 탄소(C)0.2% 이하, 크롬(Cr)20.0-36.0%, 규소(Si)0.5-3.9%, 망간(Mn)0.5-3.6%, 붕소(B)2.8-4.6%, 그리고 나머지는 철(Fe)과 필연적으로 함유되는 불순물로 구성된 것을 특징으로 하는 고강도 재질 층을 갖는 롤과 그 제조방법이다.The present invention is to make the coating structure stable, tough tissue to overcome the heat resistance, toughness, abrasion resistance deficiency of the roll surface used at high temperature, such as hot rolling or continuous casting to strengthen the solid solution in a method for improving the wear resistance In addition to overcoming the shortcomings of the coating material, it has a high-strength material layer which can improve the wear resistance, corrosion resistance and toughness that is not softened by high surface pressure by making the coating structure become a high hardness solid solution having high wear resistance by simple heat treatment. It relates to a roll and a manufacturing method thereof, the body is made of low alloy steel, the weld layer by weight (wt%) of carbon (C) 0.2% or less, chromium (Cr) 20.0-36.0%, silicon (Si) 0.5 A roll having a high strength material layer, characterized in that it comprises -3.9%, manganese (Mn) 0.5-3.6%, boron (B) 2.8-4.6%, and the remainder consisting of impurities that inevitably contain iron (Fe); A method of producing.

Description

고강도 재질층을 갖는 롤과 그 제조방법Roll having high strength material layer and manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 의한 고장도 재질층을 갖는 롤의 부분절개 사시도,1 is a partial cutaway perspective view of a roll having a high-strength material layer according to the present invention,

제2도는 본 발명에 의한 고강도 재질층을 갖는 롤의 실시예시도.2 is an exemplary view of a roll having a high strength material layer according to the present invention.

Claims (5)

저합금강으로 이루어진 몸체(10)와, 몸체의 주표면으로 철(Fe)-크롬(Cr)-붕소(B)계의 비정질재료인 용접층(20으로 구성된 것을 특징으로 하는 고장도 재질층을 갖는 롤.The body 10 is made of a low alloy steel, and a high-strength material layer, characterized in that the main surface of the body consisting of a welding layer 20 of iron (Fe) -chromium (Cr) -boron (B) -based amorphous material role. 몸체(10)가 저합금강으로 구성되어 있고, 용접층(20)은 무게분율(wt %)로 탄소(C)0.2% 이하, 크롬(Cr)20.0-36.0%, 규소(Si)0.5-3.9%, 망간(Mn)0.5-3.6%, 붕소(B)2.8-4.6%, 그리고 나머지는 철(Fe)과 필연적으로 함유되는 불순물로 구성된 것을 특징으로 하는 고강도 재질층을 갖는 롤 제조방법.The body 10 is made of low alloy steel, the weld layer 20 has a weight fraction (wt%) of carbon (C) of 0.2% or less, chromium (Cr) 20.0-36.0%, and silicon (Si) 0.5-3.9% , Manganese (Mn) 0.5-3.6%, boron (B) 2.8-4.6%, and the remainder is iron (Fe) and a method of producing a roll having a high strength material layer, characterized in that consisting of impurities. 제2항에 있어서, 바람직하기로는 용접층(20)은 무게분율(wt %)로 탄소(C)0.2% 이하, 크롬(Cr)20.0-36.0%, 규소(Si)0.5-3.9%, 망간(Mn)0.5-3.6%, 붕소(B)2.8-4.6%, 그리고 나머지는 철(Fe)과 필연적으로 함유되는 불순물로 구성되어 반복 열응력의 저항성을 높인 것을 특징으로 하는 고강도 재질층을 갖는 롤과 제조방법.According to claim 2, Preferably, the welding layer 20 is a weight fraction (wt%) of carbon (C) 0.2% or less, chromium (Cr) 20.0-36.0%, silicon (Si) 0.5-3.9%, manganese ( Mn) 0.5-3.6%, boron (B) 2.8-4.6%, and the remainder is composed of iron (Fe) and impurity inevitably contained, the roll having a high strength material layer, characterized in that the resistance of repeated thermal stress and Manufacturing method. 제2항에 있어서, 상기 용접층(20)은, 몰리브덴(Mo)이 4.6 이하로 추가 첨가된 것을 특징으로 하는 고강도 재질층을 갖는 롤과 제조방법.The method of claim 2, wherein the welding layer (20), molybdenum (Mo) is added to the roll having a high-strength material layer, characterized in that not more than 4.6. 제2항 내지 제3항에 있어서, 상기 용접층(20)은, 티그(TIG), 마그(MIG), 아크 용접(Arc Welding), 열용 사등에 의해 형성되는 것을 특징으로 하는 고장도 재질층을 갖는 롤과 제조방법.The high-strength material layer of claim 2, wherein the welding layer 20 is formed by a TIG, a MIG, an Arc welding, a heat yarn, or the like. Roll and manufacturing method. ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950042603A 1995-11-21 1995-11-21 Roll of high strength material layer KR0156301B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950042603A KR0156301B1 (en) 1995-11-21 1995-11-21 Roll of high strength material layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950042603A KR0156301B1 (en) 1995-11-21 1995-11-21 Roll of high strength material layer

Publications (2)

Publication Number Publication Date
KR970025768A true KR970025768A (en) 1997-06-24
KR0156301B1 KR0156301B1 (en) 1998-11-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010017861A (en) * 1999-08-16 2001-03-05 로버트 에이. 바쎄트 Chromium boride coatings

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2479309B1 (en) * 2004-03-25 2016-05-11 Tohoku Techno Arch Co., Ltd. Metallic glass laminates, production methods and applications thereof
KR100938839B1 (en) * 2009-05-26 2010-01-26 김성회 Excavator bucket for coating hardfacing composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010017861A (en) * 1999-08-16 2001-03-05 로버트 에이. 바쎄트 Chromium boride coatings

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