KR950025113A - 침탄기어용강 - Google Patents
침탄기어용강 Download PDFInfo
- Publication number
- KR950025113A KR950025113A KR1019940033589A KR19940033589A KR950025113A KR 950025113 A KR950025113 A KR 950025113A KR 1019940033589 A KR1019940033589 A KR 1019940033589A KR 19940033589 A KR19940033589 A KR 19940033589A KR 950025113 A KR950025113 A KR 950025113A
- Authority
- KR
- South Korea
- Prior art keywords
- carburizing
- steel
- tempering
- quenching
- less
- Prior art date
Links
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
- C22C38/46—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
- C22C38/001—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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C21D2211/005—Ferrite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
중량%로 C 0.18~0.25%, Si 0.45~1.00%, Mn 0.40~0.70%, Ni 0.30~0.70%, Cr 1.00~1.50%, MO 0.30~0.70%, Cu 0.50%이하, Al 0.015~0.030%, V 0.03~0.30%, Nb 0.010~0.030%, O 0.0015%이하, N 0.0100~0.0200%이고, 나머지가 Fe 및 불가피한 불순물로 구성되며, 침탄후의 820℃이상에서 담금질하여도, 침탄강 중심부의 경화된 조직에 페라이트를 형성하는 일이 없으며, 담금질후 160~180℃의 온도로 뜨임을 행하고, 이 뜨임온도를 포함하여 300℃까지의 온도중 어느 하나의 온도로 재가열하여서, 침탄, 담금질 및 뜨임후 침탄강의 침단층의 강도가 HV 50이상까지 감소되지 않는 것을 특징으로 하는 연화저항을 갖는 침탄기어용강.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 재가열실험에 적용되는 열처리조건의 설명도,
제3도는 재가열후의 경도감소 및 Si함유량의 관계를 나타내는 그래프.
Claims (2)
- 중량%로 C 0.18~0.25%, Si 0.45~1.00%, Mn 0.40~0.70%, Ni 0.30~0.70%, Cr 1.00~1.50%, MO 0.30~0.70%, Cu 0.50%이하, Al 0.015~0.030%, V 0.03~0.30%, Nb 0.010~0.030%, O 0.0015%이하, N 0.0100~0.0200%이고, 나머지가 Fe 및 불가피한 불순물로 구성되며, 침탄후의 820℃이상에서 담금질하여도, 침탄강 중심부의 경화된 조직에 페라이트를 형성하는 일이 없으며, 담금질후 160~180℃의 온도로 뜨임을 행하고, 이 뜨임온도를 포함하여 300℃까지의 온도중 어느 하나의 온도로 재가열하여서, 침탄, 담금질 및 뜨임후 침탄강의 침단층의 깅도가 HV 50이상까지 감소되지 않는 것을 특징으로 하는 연화저항을 갖는 침탄기어용강.
- 제1항에 있어서, 소재중에 그 피로특성을 현저하게 손상시키지 않고 강의 절삭성을 개선할 수 잇는 원소로서, 중량%로 S 0.005~0.020%, Pb 0.03~0.09% 및 Te 0.003~0.030%로 이루어지는 군으로부터 선택된 적어도 1종을 더욱 포함하는 것을 특징으로 하는 침탄기어용강.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3085294 | 1994-02-03 | ||
JP94-30852 | 1994-02-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950025113A true KR950025113A (ko) | 1995-09-15 |
KR0141048B1 KR0141048B1 (ko) | 1998-07-15 |
Family
ID=12315250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940033589A KR0141048B1 (ko) | 1994-02-03 | 1994-12-10 | 침탄기어용강 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR0141048B1 (ko) |
CA (1) | CA2137744C (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010066189A (ko) * | 1999-12-31 | 2001-07-11 | 이계안 | 고탄소 침탄강 |
JP7154073B2 (ja) * | 2018-09-12 | 2022-10-17 | 大同特殊鋼株式会社 | 耐高面圧部品およびその製造方法 |
CN110284071A (zh) * | 2019-08-02 | 2019-09-27 | 宜兴市佳信数控科技有限公司 | 一种回转窑用超大齿轮及其制备方法 |
-
1994
- 1994-12-09 CA CA002137744A patent/CA2137744C/en not_active Expired - Lifetime
- 1994-12-10 KR KR1019940033589A patent/KR0141048B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0141048B1 (ko) | 1998-07-15 |
CA2137744A1 (en) | 1995-08-04 |
CA2137744C (en) | 1999-08-31 |
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