JPS55149710A - Spalling resistant and abrasion resistant roll - Google Patents

Spalling resistant and abrasion resistant roll

Info

Publication number
JPS55149710A
JPS55149710A JP5689479A JP5689479A JPS55149710A JP S55149710 A JPS55149710 A JP S55149710A JP 5689479 A JP5689479 A JP 5689479A JP 5689479 A JP5689479 A JP 5689479A JP S55149710 A JPS55149710 A JP S55149710A
Authority
JP
Japan
Prior art keywords
self
metal
hardness
thickness
overlay
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
JP5689479A
Other languages
Japanese (ja)
Other versions
JPS6332543B2 (en
Inventor
Kiyoshi Yokoi
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.)
Nippon Steel Hardfacing Corp
Original Assignee
Nippon Steel Hardfacing 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 Nippon Steel Hardfacing Corp filed Critical Nippon Steel Hardfacing Corp
Priority to JP5689479A priority Critical patent/JPS55149710A/en
Publication of JPS55149710A publication Critical patent/JPS55149710A/en
Publication of JPS6332543B2 publication Critical patent/JPS6332543B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

PURPOSE:To contrive the improvement of the spalling resistance and the abrasion resistance, by overlay welding the self-hardening weld metal of specified hardness on the drum surface of the iron roll, and further, by overlaying the metallizing metal of self-melting alloy on above stated overlay weld metal. CONSTITUTION:The weld metal of good self-hardening property is overlaid to thickness C on the drum surface of the iron roll of thickness B, so as to give the hardness H3 stated below. Next, upon this layer, the metallizing metal of self- melting alloy is overlaid to thickness A. That is, H3>H1+(H2-H1)X1/3, in which H3 is for the hardness (Hs) of the overlay weld metal layer, H1 is for the hardness of the parent metal, and H2 is for the hardness of the metallized layer of self-melting type alloy and H2 is higher than H250. Besides, as for the self-melting alloy, the Ni or Co base alloy is employed, and the thickness A is specified to 4mm. or less, about 2mm. being suitable for the practical purpose. As for the self-hardening metal, the metal, being possible to obtain the desired hardness, even if it receives the heat from the thermal cycle (heat of fusing period and heat of annealing at cooling process) at carrying out the overlay metallizing with the self-melting alloy, is used.
JP5689479A 1979-05-11 1979-05-11 Spalling resistant and abrasion resistant roll Granted JPS55149710A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5689479A JPS55149710A (en) 1979-05-11 1979-05-11 Spalling resistant and abrasion resistant roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5689479A JPS55149710A (en) 1979-05-11 1979-05-11 Spalling resistant and abrasion resistant roll

Publications (2)

Publication Number Publication Date
JPS55149710A true JPS55149710A (en) 1980-11-21
JPS6332543B2 JPS6332543B2 (en) 1988-06-30

Family

ID=13040140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5689479A Granted JPS55149710A (en) 1979-05-11 1979-05-11 Spalling resistant and abrasion resistant roll

Country Status (1)

Country Link
JP (1) JPS55149710A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517223A1 (en) * 1981-12-01 1983-06-03 Kubota Ltd COMPOSITE SLEEVE FOR USE IN ROLLING CYLINDERS FOR THE MANUFACTURE OF H-AND U-PROFILES
WO1997008089A1 (en) * 1995-08-30 1997-03-06 Nippon Steel Hardfacing Co., Ltd. Roll for take-up equipment for hot rolling mill
WO2013113853A1 (en) * 2012-01-31 2013-08-08 Tata Steel Uk Ltd Method of laser cladding a rotation symmetric steel rolling mill with two layers; corresponding roll mill roll
US9962748B2 (en) 2014-06-19 2018-05-08 Nippon Steel & Sumikin Hardfacing Co., Ltd. Roll for winding equipment in hot rolling factory
US10040106B2 (en) 2014-05-28 2018-08-07 Nippon Steel & Sumikin Hardfacing Co., Ltd. Rolls of winding equipment in hot-rolling factory
CN112872737A (en) * 2021-01-21 2021-06-01 江苏省沙钢钢铁研究院有限公司 Coiling side guide plate and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5148036A (en) * 1974-10-23 1976-04-24 Hitachi Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5148036A (en) * 1974-10-23 1976-04-24 Hitachi Ltd

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517223A1 (en) * 1981-12-01 1983-06-03 Kubota Ltd COMPOSITE SLEEVE FOR USE IN ROLLING CYLINDERS FOR THE MANUFACTURE OF H-AND U-PROFILES
WO1997008089A1 (en) * 1995-08-30 1997-03-06 Nippon Steel Hardfacing Co., Ltd. Roll for take-up equipment for hot rolling mill
AU728282B2 (en) * 1995-08-30 2001-01-04 Nippon Steel Hardfacing Co., Ltd. Roll of winding equipment in rolling factory
WO2013113853A1 (en) * 2012-01-31 2013-08-08 Tata Steel Uk Ltd Method of laser cladding a rotation symmetric steel rolling mill with two layers; corresponding roll mill roll
US10040106B2 (en) 2014-05-28 2018-08-07 Nippon Steel & Sumikin Hardfacing Co., Ltd. Rolls of winding equipment in hot-rolling factory
US9962748B2 (en) 2014-06-19 2018-05-08 Nippon Steel & Sumikin Hardfacing Co., Ltd. Roll for winding equipment in hot rolling factory
CN112872737A (en) * 2021-01-21 2021-06-01 江苏省沙钢钢铁研究院有限公司 Coiling side guide plate and preparation method thereof

Also Published As

Publication number Publication date
JPS6332543B2 (en) 1988-06-30

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