KR100755181B1 - 마르텐사이트계 스테인리스강의 소입열처리 방법 - Google Patents
마르텐사이트계 스테인리스강의 소입열처리 방법 Download PDFInfo
- Publication number
- KR100755181B1 KR100755181B1 KR1020060072047A KR20060072047A KR100755181B1 KR 100755181 B1 KR100755181 B1 KR 100755181B1 KR 1020060072047 A KR1020060072047 A KR 1020060072047A KR 20060072047 A KR20060072047 A KR 20060072047A KR 100755181 B1 KR100755181 B1 KR 100755181B1
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- South Korea
- Prior art keywords
- martensitic stainless
- heat treatment
- hardness
- stainless steel
- less
- Prior art date
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
-
- 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
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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)
Abstract
Description
시험재 | C | N | Si | Mn | P | S | Cr | Ni |
1 | 0.23 | 0.03 | 0.55 | 0.44 | 0.01 | 0.009 | 13.9 | 0.24 |
2 | 0.13 | 0.88 | 0.53 | 0.45 | 0.01 | 0.008 | 13.7 | 0.25 |
3 | 0.13 | 0.83 | 0.52 | 0.46 | 0.01 | 0.009 | 13.8 | 0.26 |
4 | 0.14 | 0.88 | 0.57 | 0.45 | 0.01 | 0.006 | 13.7 | 0.25 |
5 | 0.14 | 0.86 | 0.52 | 0.42 | 0.01 | 0.010 | 13.6 | 0.24 |
6 | 0.15 | 0.85 | 0.51 | 0.45 | 0.01 | 0.009 | 13.9 | 0.22 |
조건 | Temp.(℃) | Time(분) |
1 | 1000 | 5 |
2 | 1000 | 15 |
3 | 1100 | 5 |
4 | 1100 | 15 |
5 | 1050 | 2.9 |
6 | 1050 | 17.1 |
7 | 979 | 10 |
8 | 1120 | 10 |
9 | 1050 | 10 |
합금 조건 | 1 | 2 | 3 | 4 | 5 | 6 |
1 | 42.9 | 50.5 | 49.0 | 49.2 | 50.8 | 49.9 |
2 | 47.4 | 50.7 | 49.3 | 50.6 | 51.6 | 51.6 |
3 | 50.7 | 51.1 | 51.1 | 51.7 | 52.7 | 52.4 |
4 | 41.7 | 48.1 | 46.7 | 48.7 | 48.2 | 48.8 |
5 | 50.0 | 52.0 | 51.4 | 51.9 | 52.3 | 52.3 |
6 | 47.4 | 48.3 | 48.6 | 49.7 | 51.3 | 51.3 |
7 | 42.6 | 49.9 | 48.9 | 48.8 | 50.4 | 49.1 |
8 | 44.1 | 49.9 | 47.7 | 47.4 | 46.5 | 49.2 |
9 | 49.7 | 52.6 | 50.7 | 51.3 | 51.2 | 52.9 |
Claims (1)
- 중량%로 C: 0.05∼0.15%, Mn: 1.0% 이하, P: 0.045% 이하, S: 0.045% 이하, Si: 1.0% 이하, Cr: 12∼14%, N: 0.05∼0.15%, 잔부 Fe 및 기타 불가피하게 첨가되는 불순물로 이루어진 조성을 갖는 마르텐사이트계 스테인리스강을 하기의 경도 예측식을 통해 950 ~ 1150℃ 범위에서 열처리하여 목적치의 경도를 얻기 위한 것을 특징으로 하는 마르텐사이트계 스테인리스강의 소입열처리 방법.경도예측식 :H = 31.5 - 0.155 X Time(분) + 65.2 X C(wt. %) + 131 X N(wt. %)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060072047A KR100755181B1 (ko) | 2006-07-31 | 2006-07-31 | 마르텐사이트계 스테인리스강의 소입열처리 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020060072047A KR100755181B1 (ko) | 2006-07-31 | 2006-07-31 | 마르텐사이트계 스테인리스강의 소입열처리 방법 |
Publications (1)
Publication Number | Publication Date |
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KR100755181B1 true KR100755181B1 (ko) | 2007-09-03 |
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KR1020060072047A KR100755181B1 (ko) | 2006-07-31 | 2006-07-31 | 마르텐사이트계 스테인리스강의 소입열처리 방법 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980037664A (ko) * | 1996-11-22 | 1998-08-05 | 김종진 | 13%Cr 마르텐사이트계 스테인리스강의 열처리방법 |
KR19990051476A (ko) * | 1997-12-19 | 1999-07-05 | 이구택 | 저경도 마르텐사이트계 스테인레스강 및 그 제조방법 |
KR20030052699A (ko) * | 2001-12-21 | 2003-06-27 | 주식회사 포스코 | 크롬계 스테인리스강 열연 제품의 표면 품질 향상 방법 |
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2006
- 2006-07-31 KR KR1020060072047A patent/KR100755181B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980037664A (ko) * | 1996-11-22 | 1998-08-05 | 김종진 | 13%Cr 마르텐사이트계 스테인리스강의 열처리방법 |
KR19990051476A (ko) * | 1997-12-19 | 1999-07-05 | 이구택 | 저경도 마르텐사이트계 스테인레스강 및 그 제조방법 |
KR20030052699A (ko) * | 2001-12-21 | 2003-06-27 | 주식회사 포스코 | 크롬계 스테인리스강 열연 제품의 표면 품질 향상 방법 |
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