KR900010040A - Piston material for excavator and its manufacturing method - Google Patents

Piston material for excavator and its manufacturing method

Info

Publication number
KR900010040A
KR900010040A KR1019880015995A KR880015995A KR900010040A KR 900010040 A KR900010040 A KR 900010040A KR 1019880015995 A KR1019880015995 A KR 1019880015995A KR 880015995 A KR880015995 A KR 880015995A KR 900010040 A KR900010040 A KR 900010040A
Authority
KR
South Korea
Prior art keywords
excavator
manufacturing
piston material
piston
Prior art date
Application number
KR1019880015995A
Other languages
Korean (ko)
Other versions
KR910008208B1 (en
Inventor
이승용
남철우
Original Assignee
기아특수강 주식회사
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 기아특수강 주식회사 filed Critical 기아특수강 주식회사
Priority to KR1019880015995A priority Critical patent/KR910008208B1/en
Publication of KR900010040A publication Critical patent/KR900010040A/en
Application granted granted Critical
Publication of KR910008208B1 publication Critical patent/KR910008208B1/en

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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel

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)
KR1019880015995A 1988-12-01 1988-12-01 Materials for piston of excuvator and the method of manufacturing the same KR910008208B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880015995A KR910008208B1 (en) 1988-12-01 1988-12-01 Materials for piston of excuvator and the method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880015995A KR910008208B1 (en) 1988-12-01 1988-12-01 Materials for piston of excuvator and the method of manufacturing the same

Publications (2)

Publication Number Publication Date
KR900010040A true KR900010040A (en) 1990-07-06
KR910008208B1 KR910008208B1 (en) 1991-10-11

Family

ID=19279822

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880015995A KR910008208B1 (en) 1988-12-01 1988-12-01 Materials for piston of excuvator and the method of manufacturing the same

Country Status (1)

Country Link
KR (1) KR910008208B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010059687A (en) * 1999-12-30 2001-07-06 이계안 Differential pinion shaft having the improved abrasion resistance and bending strength and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010059687A (en) * 1999-12-30 2001-07-06 이계안 Differential pinion shaft having the improved abrasion resistance and bending strength and preparation method thereof

Also Published As

Publication number Publication date
KR910008208B1 (en) 1991-10-11

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20061011

Year of fee payment: 18

EXPY Expiration of term