JPS5773171A - Tool steel - Google Patents

Tool steel

Info

Publication number
JPS5773171A
JPS5773171A JP14819680A JP14819680A JPS5773171A JP S5773171 A JPS5773171 A JP S5773171A JP 14819680 A JP14819680 A JP 14819680A JP 14819680 A JP14819680 A JP 14819680A JP S5773171 A JPS5773171 A JP S5773171A
Authority
JP
Japan
Prior art keywords
rare earth
sulfide
machinability
tool steel
mns
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
JP14819680A
Other languages
Japanese (ja)
Other versions
JPS6366384B2 (en
Inventor
Shoichi Fukui
Yoshiyuki Niiyama
Naoyuki Yamauchi
Original Assignee
Daido Steel Co 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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP14819680A priority Critical patent/JPS6366384B2/ja
Publication of JPS5773171A publication Critical patent/JPS5773171A/en
Publication of JPS6366384B2 publication Critical patent/JPS6366384B2/ja
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a tool steel with considerably enhanced machinability and improved impact resistance by combinedly adding S as a free cutting component and a rare earth element.
CONSTITUTION: This tool steel consists of 0.2W2.5% C, 0.1W2.0% Si, 0.4W3.0% Mn, 1.0W20.0% Cr, 0.1W3.0% Mo, 0.01W0.3% N, 0.04W0.4% S, 0.005W0.60% in total of ≥1 kind of rare earth element and the balance Fe with inevitable impurities. The rare earth element is La, Ce, Nd, Sc, Y, Sm or the like. S and the rare earth element are important as components providing machinability, and it is required to add both the elements in combination with each other. The rare earth element combines with S easily and disperses as fine spheroidal sulfide with a high m.p., and the sulfide is drawn in the form of a dotted line during working. On the other hand, MnS with a low m.p. is nearly spherodized around the rate earth element sulfide as a nuclei and uniformly disperseid in the matrix. As a result, the machinability is enhanced, and MnS acts hardly as the starting point of cracking. The S and rare earth element contents are restricted in consideration of hot workability during forging.
COPYRIGHT: (C)1982,JPO&Japio
JP14819680A 1980-10-24 1980-10-24 Expired JPS6366384B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14819680A JPS6366384B2 (en) 1980-10-24 1980-10-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14819680A JPS6366384B2 (en) 1980-10-24 1980-10-24

Publications (2)

Publication Number Publication Date
JPS5773171A true JPS5773171A (en) 1982-05-07
JPS6366384B2 JPS6366384B2 (en) 1988-12-20

Family

ID=15447399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14819680A Expired JPS6366384B2 (en) 1980-10-24 1980-10-24

Country Status (1)

Country Link
JP (1) JPS6366384B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599155A (en) * 1982-07-09 1984-01-18 Kawasaki Steel Corp Manufacture of material for tool for manufacturing seamless steel pipe
JPS61266554A (en) * 1985-05-21 1986-11-26 Ver Edelstahlwerke Ag Chromium-containing alloy for punched plate and opposed plate
JP2010515824A (en) * 2007-01-12 2010-05-13 ロバルマ,ソシエダッド アノニマ Cold tool steel with excellent weldability
CN106062233A (en) * 2014-01-16 2016-10-26 尤迪霍尔姆斯有限责任公司 Stainless steel and a cutting tool body made of the stainless steel
WO2016195023A1 (en) * 2015-06-04 2016-12-08 トヨタ自動車株式会社 Austenitic heat-resistant cast steel
EP3216890A2 (en) 2016-03-11 2017-09-13 Daido Steel Co.,Ltd. Mold steel and mold

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599155A (en) * 1982-07-09 1984-01-18 Kawasaki Steel Corp Manufacture of material for tool for manufacturing seamless steel pipe
JPS6214632B2 (en) * 1982-07-09 1987-04-03 Kawasaki Steel Co
JPS61266554A (en) * 1985-05-21 1986-11-26 Ver Edelstahlwerke Ag Chromium-containing alloy for punched plate and opposed plate
JP2010515824A (en) * 2007-01-12 2010-05-13 ロバルマ,ソシエダッド アノニマ Cold tool steel with excellent weldability
CN106062233A (en) * 2014-01-16 2016-10-26 尤迪霍尔姆斯有限责任公司 Stainless steel and a cutting tool body made of the stainless steel
JP2017507244A (en) * 2014-01-16 2017-03-16 ウッデホルムス アーベーUddeholms Ab Stainless steel and stainless steel cutting tool body
WO2016195023A1 (en) * 2015-06-04 2016-12-08 トヨタ自動車株式会社 Austenitic heat-resistant cast steel
JP2016223000A (en) * 2015-06-04 2016-12-28 トヨタ自動車株式会社 Austenitic heat resistant cast steel
CN107532261A (en) * 2015-06-04 2018-01-02 丰田自动车株式会社 Austenite heat-resistant cast steel
US10633729B2 (en) 2015-06-04 2020-04-28 Toyota Jidosha Kabushiki Kaisha Austenitic heat-resisting cast steel
EP3216890A2 (en) 2016-03-11 2017-09-13 Daido Steel Co.,Ltd. Mold steel and mold
US10508327B2 (en) 2016-03-11 2019-12-17 Daido Steel Co., Ltd. Mold steel and mold

Also Published As

Publication number Publication date
JPS6366384B2 (en) 1988-12-20

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