JPS5586671A - Production of composite roll - Google Patents

Production of composite roll

Info

Publication number
JPS5586671A
JPS5586671A JP16194278A JP16194278A JPS5586671A JP S5586671 A JPS5586671 A JP S5586671A JP 16194278 A JP16194278 A JP 16194278A JP 16194278 A JP16194278 A JP 16194278A JP S5586671 A JPS5586671 A JP S5586671A
Authority
JP
Japan
Prior art keywords
roll
cast
layer composed
cast iron
casting
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.)
Pending
Application number
JP16194278A
Other languages
Japanese (ja)
Inventor
Hideo Fujita
Masahiro Fukuda
Tamotsu Hashizume
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP16194278A priority Critical patent/JPS5586671A/en
Publication of JPS5586671A publication Critical patent/JPS5586671A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

PURPOSE:To obtain the forged composite roll of superior surface roughening resistance and thoughness by plastically deforming the composite material which is obtainable by casting the outside layer of the high Cr cast iron material of the specific composition then casting the inside layer composed of the specific composition cast iron material to roll form. CONSTITUTION:The outside layer composed of C; 1.8-3.4%, Si; 0.3-2.0%, Mn; 0.3-2.0%, Cr; 12-26%, Ni; <=4.0%, Mo; <=4.0%, the rest Fe is cast, after which the inside layer composed of the cast iron of C; 1.2-3.8%, Si; <=2.5%, Mn; <=1.0%, Cr; <=0.5% and the rest Fe and further added with Ca; 0.10-0.60% is cast. The resultant composite material is plastically deformed to roll form through hot working such as forging, thence it is subjected to heat treatment such as annealing and stress relieving, after which it is machined to be finished to the roll of the specified size and shape. The addition of Mg; 0.04-0.10 in place of the abovementioned Ca and the inoculation of Fe-Si of 0.2-0.7% in Si% are equally well.
JP16194278A 1978-12-26 1978-12-26 Production of composite roll Pending JPS5586671A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16194278A JPS5586671A (en) 1978-12-26 1978-12-26 Production of composite roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16194278A JPS5586671A (en) 1978-12-26 1978-12-26 Production of composite roll

Publications (1)

Publication Number Publication Date
JPS5586671A true JPS5586671A (en) 1980-06-30

Family

ID=15744961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16194278A Pending JPS5586671A (en) 1978-12-26 1978-12-26 Production of composite roll

Country Status (1)

Country Link
JP (1) JPS5586671A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103008617A (en) * 2012-12-27 2013-04-03 江西省科学院应用物理研究所 Method for preparing high-speed steel composite roll for hot rolling

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51119325A (en) * 1975-04-11 1976-10-19 Kubota Ltd Method to manufacture thick wall sleeve rolls
JPS5256012A (en) * 1975-10-08 1977-05-09 Hitachi Metals Ltd High chromium roll

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51119325A (en) * 1975-04-11 1976-10-19 Kubota Ltd Method to manufacture thick wall sleeve rolls
JPS5256012A (en) * 1975-10-08 1977-05-09 Hitachi Metals Ltd High chromium roll

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103008617A (en) * 2012-12-27 2013-04-03 江西省科学院应用物理研究所 Method for preparing high-speed steel composite roll for hot rolling
CN103008617B (en) * 2012-12-27 2014-09-10 江西省科学院应用物理研究所 Method for preparing high-speed steel composite roll for hot rolling

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