JPS5767147A - Material for cylinder head of engine - Google Patents

Material for cylinder head of engine

Info

Publication number
JPS5767147A
JPS5767147A JP14056780A JP14056780A JPS5767147A JP S5767147 A JPS5767147 A JP S5767147A JP 14056780 A JP14056780 A JP 14056780A JP 14056780 A JP14056780 A JP 14056780A JP S5767147 A JPS5767147 A JP S5767147A
Authority
JP
Japan
Prior art keywords
cast iron
engine
cylinder head
percentage
castability
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP14056780A
Other languages
Japanese (ja)
Other versions
JPS5757944B2 (en
Inventor
Shoji Kiguchi
Kikuo Masuda
Yoshikiyo Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP14056780A priority Critical patent/JPS5767147A/en
Publication of JPS5767147A publication Critical patent/JPS5767147A/en
Publication of JPS5757944B2 publication Critical patent/JPS5757944B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

PURPOSE: To obtain cast iron with high heat conductivity, castability and heat resistance by adding a specified percentage of C, Si, Mn, P, S, Cr, Cu and Mg to cast iron.
CONSTITUTION: To cast iron are added 3.30W3.65% C, 2.3W2.7% Si, 0.5W0.8% Mn, ≤0.08% P, ≤0.013% S, 0.25W0.40% Cr, 0.50W0.70% Cu and 0.012W 0.025% Mg while satisfying (C+1/3Si)=4.20W4.55. The shape factor of graphite in the resulting cast iron and the percentage of pearlite by area are regulated to 0.25W 0.55 and ≥80%, respectively.
COPYRIGHT: (C)1982,JPO&Japio
JP14056780A 1980-10-09 1980-10-09 Material for cylinder head of engine Granted JPS5767147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14056780A JPS5767147A (en) 1980-10-09 1980-10-09 Material for cylinder head of engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14056780A JPS5767147A (en) 1980-10-09 1980-10-09 Material for cylinder head of engine

Publications (2)

Publication Number Publication Date
JPS5767147A true JPS5767147A (en) 1982-04-23
JPS5757944B2 JPS5757944B2 (en) 1982-12-07

Family

ID=15271678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14056780A Granted JPS5767147A (en) 1980-10-09 1980-10-09 Material for cylinder head of engine

Country Status (1)

Country Link
JP (1) JPS5767147A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591655A (en) * 1982-06-28 1984-01-07 Kawasaki Steel Corp High-strength heat exchanger
KR20020044867A (en) * 2000-12-07 2002-06-19 이계안 Cast iron composition for casting cylinder head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591655A (en) * 1982-06-28 1984-01-07 Kawasaki Steel Corp High-strength heat exchanger
KR20020044867A (en) * 2000-12-07 2002-06-19 이계안 Cast iron composition for casting cylinder head

Also Published As

Publication number Publication date
JPS5757944B2 (en) 1982-12-07

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