[go: up one dir, main page]

KR950025113A - 침탄기어용강 - Google Patents

침탄기어용강 Download PDF

Info

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
Application number
KR1019940033589A
Other languages
English (en)
Other versions
KR0141048B1 (ko
Inventor
가즈오 사카모토
다쓰오 후쿠즈미
히데오 우에노
Original Assignee
이와사끼 시게오
미쓰비시 세이코오 가부시끼가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이와사끼 시게오, 미쓰비시 세이코오 가부시끼가이샤 filed Critical 이와사끼 시게오
Publication of KR950025113A publication Critical patent/KR950025113A/ko
Application granted granted Critical
Publication of KR0141048B1 publication Critical patent/KR0141048B1/ko

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

침탄기어용강
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 재가열실험에 적용되는 열처리조건의 설명도,
제3도는 재가열후의 경도감소 및 Si함유량의 관계를 나타내는 그래프.

Claims (2)

  1. 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.
  2. 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.
KR1019940033589A 1994-02-03 1994-12-10 침탄기어용강 KR0141048B1 (ko)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
KR0141048B1 (ko) 1998-07-15
CA2137744C (en) 1999-08-31
CA2137744A1 (en) 1995-08-04

Similar Documents

Publication Publication Date Title
US5424028A (en) Case carburized stainless steel alloy for high temperature applications
KR950704521A (ko) 피로강도, 항복강도 및 피삭성이 우수한 열간단조용 강의 제조방법(Process for producing hot forging steel with excellent fatigue strength, yield strength and cuttability)
KR960706569A (ko) 용접성이 우수한 고내식성(高耐蝕性) 마르텐사이트계 스텐레스강 및 그 제조방법
KR830009235A (ko) 고연성, 고강도 선재, 봉강의 제조법
US4157258A (en) Case-hardening alloy steel and case-hardened article made therefrom
Kapadia Effect of boron additions on the toughness of heat-treated low-alloy steels
KR950025113A (ko) 침탄기어용강
KR960705953A (ko) 재질산란이 적은 베이나이트강재 및 그 제조방법
JPS6360257A (ja) 耐ピツチング性に優れた浸炭用鋼
GB1070465A (en) Weldable tough steel containing chromium and manganese and method of manufacturing the same
KR920012498A (ko) 내응력부식균열성이 우수한 용접용 강재의 제조방법
PT902094E (pt) Processo de fabrico de uma peca mecanica em aco comportando pelo menos uma parte endurecida superficialmente por um tratamento de tempera por inducao e peca obtida por meio desse processo
JPS61174321A (ja) 機械構造用鋼の球状化焼鈍法
JPH028020B2 (ko)
KR890010234A (ko) 강도, 내마모성 및 내식성이 우수한 고장력강 제조방법
JPH0762203B2 (ja) 高強度高靭性熱間鍜造非調質鋼
JP2004300550A (ja) 高強度肌焼鋼
JPS58151455A (ja) 軸受部材
JPH0759737B2 (ja) 高靭性高炭素薄鋼板
JPH0533283B2 (ko)
JPH0762212B2 (ja) 高靭性、耐熱割れ性に優れた高炭素薄鋼板
JPH07238341A (ja) 高面圧疲労強度に優れた高周波焼入用鋼
JP2954216B2 (ja) 高強度部品用鋼
KR950006016A (ko) 열간 금형 공구강 및 그 제조방법
RU2071987C1 (ru) Сталь (ее варианты)

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19941210

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19941210

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19971001

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19980210

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19980318

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19980318

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20010105

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20011228

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20021216

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20031105

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20050222

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20060214

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20070313

Start annual number: 10

End annual number: 10

PR1001 Payment of annual fee

Payment date: 20080310

Start annual number: 11

End annual number: 11

PR1001 Payment of annual fee

Payment date: 20090311

Start annual number: 12

End annual number: 12

PR1001 Payment of annual fee

Payment date: 20100310

Start annual number: 13

End annual number: 13

PR1001 Payment of annual fee

Payment date: 20110223

Start annual number: 14

End annual number: 14

PR1001 Payment of annual fee

Payment date: 20120223

Start annual number: 15

End annual number: 15

FPAY Annual fee payment

Payment date: 20130227

Year of fee payment: 16

PR1001 Payment of annual fee

Payment date: 20130227

Start annual number: 16

End annual number: 16

FPAY Annual fee payment

Payment date: 20140220

Year of fee payment: 17

PR1001 Payment of annual fee

Payment date: 20140220

Start annual number: 17

End annual number: 17

EXPY Expiration of term
PC1801 Expiration of term

Termination date: 20150610

Termination category: Expiration of duration