KR880010886A - Plastic Injection Molded Steel for High Mirror Surface and Heat Treatment Method - Google Patents

Plastic Injection Molded Steel for High Mirror Surface and Heat Treatment Method Download PDF

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Publication number
KR880010886A
KR880010886A KR870002014A KR870002014A KR880010886A KR 880010886 A KR880010886 A KR 880010886A KR 870002014 A KR870002014 A KR 870002014A KR 870002014 A KR870002014 A KR 870002014A KR 880010886 A KR880010886 A KR 880010886A
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South Korea
Prior art keywords
plastic injection
injection mold
mirror surface
mold steel
content
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KR870002014A
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Korean (ko)
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KR910001585B1 (en
Inventor
전의진
김창주
김경현
최재영
이내성
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이해
한국기계연구소
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Priority to KR1019870002014A priority Critical patent/KR910001585B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel

Abstract

내용 없음No content

Description

고경면용 플라스틱 사출 금형강과 그 열처리법Plastic Injection Molded Steel for High Mirror Surface and Heat Treatment Method

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

제1도는 (니켈+알미늄)량에 따른 시효처리후의 경도변화 Hmax 및 시효처리에 의한 경도 상승△H.1 shows hardness change Hmax after aging treatment according to the amount of (nickel + aluminum) and hardness increase ΔH by aging treatment.

제2도는 부식가공후의 표면확대사진.2 is an enlarged photo of the surface after corrosion processing.

Claims (11)

탄소(C) 0.05-0.3%, 시리콘(Si) 0.1-1.0%, 망간(Mn) 0.2-2.5%, 니켈(Ni) 1.5-7.0%, 크롬(Cr) 1.5-5.0%, 모리브덴(Mo) 0.1-2.0%을 함유하여 열처리 공정의 간소화 및 균일한 단면경도분포, 우수한 용접 보수성과 칫수 및 성능 변화 없도록 하기 위해 시효 경화성 원소인 알루미늄(AL)0.5-5.0%을 함유하고 나머지가 철(Fe)과 0.02%이하의 유황(S), 0.02%이하의 인 (P), 0.01%이하의 질소, 0.01%의 산소, 0.5%이하의 수소 등 표준제강 불순물로 된 조성(이하 중량%)을 가지며 상기의 니켈(Ni) 및 알루미늄(Al)이 철(Fe) 기재내에서 시효처리에 의해 석출물을 형성함을 특징으로한 고경면용 플라스틱 사출 금형강.Carbon (C) 0.05-0.3%, Silicon (Si) 0.1-1.0%, Manganese (Mn) 0.2-2.5%, Nickel (Ni) 1.5-7.0%, Chromium (Cr) 1.5-5.0%, Molybdenum ( Mo) 0.1-2.0% contains 0.5-5.0% of aging hardenable element aluminum (AL) in order to simplify the heat treatment process, uniform cross-sectional hardness distribution, excellent welding repairability and dimensions and performance change. Fe) and 0.02% sulfur (S), 0.02% phosphorus (P), 0.01% nitrogen, 0.01% oxygen, 0.5% hydrogen, etc. And said nickel (Ni) and aluminum (Al) forming precipitates by aging in an iron (Fe) substrate. 제1항에 있어서, 니켈(Ni) 및 알루미늄(Al)에 의한 시효 경화성이 향상되도록 탄소의 함유량이 0.15%을 넘지 않는 것을 특징으로 하는 고경면용 플라스틱 사출 금형강.The high injection-molding plastic injection mold steel according to claim 1, wherein the content of carbon does not exceed 0.15% so that the aging hardenability by nickel (Ni) and aluminum (Al) is improved. 제1항에 있어서, 시효경화에 의한 경도 상승과 템퍼링에 의한 경도하락이 서로 상쇄되로록 탄소의 함유량이 0.15%을 넘지 않는 것을 특징으로 하는 고경면용 플라스틱 사출 금형강2. The high-injection plastic injection mold steel according to claim 1, wherein the carbon content does not exceed 0.15% so that the hardness increase due to aging hardening and the decrease in hardness due to tempering are mutually offset. 제1항 내지 3항 중 한 개의 항에 있어서, 합금의 강도 향상을 위해 바나듐(V)0.1-2.0%, 티타늄(Ti)0.1-2.0%중 어느하나 또는 둘 모두를 함유하는 것을 특징으로 하는 고경면용 플라스틱 사출 금형강.The high mirror surface according to any one of claims 1 to 3, wherein any one or both of vanadium (V) 0.1-2.0% and titanium (Ti) 0.1-2.0% is contained for improving the strength of the alloy. Plastic injection mold for steel. 제1항 내지항 중 한 개의 항에 있어서, 합금의 기계가공성을 향상시키기 위해 세례늄(Se)0.01--0.1%, 테루륨(Te)0.01-0.1%중 어느 하나 또는 둘 모두를 함유하는 것을 특징으로 하는 고경면용 시효경화성 츨라스틱 사출 금형강.The method according to any one of the preceding claims, wherein any one or both of cetium (Se) 0.01 to 0.1% and terulium (Te) 0.01 to 0.1% is contained to improve the machinability of the alloy. High hardening age-hardening plastic injection mold steel. 제4항 있어서, 합금의 기계가공성을 향상시키기 위해 세례늄(Se)0.01-0.1%, 테루륨(Te)0.01-0.1%중 어느 하나 또는 둘 모두를 함유하는 것을 특징으로 하는 고명면용 플라스틱 사출 금형강.The plastic injection mold for high surface area according to claim 4, wherein any one or both of cerium (Se) 0.01-0.1% and terulium (Te) 0.01-0.1% is contained to improve the machinability of the alloy. River. 제1항 내지 3항 중 한 개의 항에 있어서, 유황(S)의 함량을 0.02% 이하로 제한함으로 황화망간(MnS)의 생성을 억제하여 충격치 및 연신률의 이방성을 제거하고 뛰어난 청정도로 경면성 및 부식가공성이 탁월함을 특징으로 하는 고경면용 플라스틱 사출금형강.According to any one of claims 1 to 3, by limiting the content of sulfur (S) to 0.02% or less to suppress the production of manganese sulfide (MnS) to remove the anisotropy of the impact value and elongation, and to excellent cleanliness and Plastic injection mold steel for high mirror surface, characterized by excellent corrosion processability. 제4항에 있어서, 유황(S)의 함량을 0.02% 이하로 제한함으로 황화망간(MnS)의 생성을 억제하여 충격치 및 연신률의 이방성을 제거하고 뛰어난 청정도로 경면성 및 부식 가공성이 탁월함을 특징으로 하는 고경면용 플라스틱 사출금형강.The method according to claim 4, wherein the sulfur (S) content is limited to 0.02% or less to suppress the production of manganese sulfide (MnS), thereby removing anisotropy of impact value and elongation, and excellent mirror and corrosion processability with excellent cleanliness. Plastic injection mold steel for high mirror surface 제5항에 있어서, 유황(S)의 함량을 0.02% 이하로 제한함으로 황화망간(MnS)의 생성을 억제하여 충격치 및 연신률의 이방성을 제거하고 뛰어난 청정도로 경면성 및 부식 가공성이 탁월함을 특징으로 하는 고경면용 플라스틱 사출금형강.The method according to claim 5, wherein the sulfur (S) content is limited to 0.02% or less to suppress the production of manganese sulfide (MnS) to remove the anisotropy of the impact value and elongation, characterized by excellent mirrorability and corrosion processability with excellent cleanliness. Plastic injection mold steel for high mirror surface 제6항에 있어서,유황(S)의 함량을 0.02% 이하로 제한함으로 황화망간(MnS)의 생성을 억제하여 충격치 및 연신률의 이방성을 제거하고 뛰어난 청정도로 경면성 및 부식 가공성이 탁월함을 특징으로 하는 고경면용 플라스틱 사출금형강.According to claim 6, By limiting the content of sulfur (S) to 0.02% or less by suppressing the production of manganese sulfide (MnS) to remove the anisotropy of impact value and elongation, characterized by excellent mirrorability and corrosion processability with excellent cleanliness Plastic injection mold steel for high mirror surface 플라스틱 사출금형강을 제강, 단조한 후 850-950°C에 용체화처리후 500-600°C에서 시효경화처리함을 특징으로 하는 열처리 방법.After heat-treating and forging plastic injection mold steel, the heat treatment method is characterized by age hardening at 500-600 ° C after solution treatment at 850-950 ° C. ※참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: This is to be disclosed based on the first application.
KR1019870002014A 1987-03-06 1987-03-06 Steel for mold for injection plastic and the method for heat treatment KR910001585B1 (en)

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KR1019870002014A KR910001585B1 (en) 1987-03-06 1987-03-06 Steel for mold for injection plastic and the method for heat treatment

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KR1019870002014A KR910001585B1 (en) 1987-03-06 1987-03-06 Steel for mold for injection plastic and the method for heat treatment

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KR880010886A true KR880010886A (en) 1988-10-25
KR910001585B1 KR910001585B1 (en) 1991-03-16

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101463312B1 (en) * 2012-12-20 2014-12-05 주식회사 포스코 Precipitation hardening typed die steel with excellent toughness and cutting charateristic and manufacturing method thereof
KR101475884B1 (en) * 2012-12-21 2014-12-24 주식회사 포스코 Mold steel and method for manufacturing the same
KR101855879B1 (en) * 2017-11-20 2018-05-09 정경현 Method and apparatus for heat treating a local portion of a parting line

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