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JPS566758A - Steel for mold and its production - Google Patents

Steel for mold and its production

Info

Publication number
JPS566758A
JPS566758A JP8141279A JP8141279A JPS566758A JP S566758 A JPS566758 A JP S566758A JP 8141279 A JP8141279 A JP 8141279A JP 8141279 A JP8141279 A JP 8141279A JP S566758 A JPS566758 A JP S566758A
Authority
JP
Japan
Prior art keywords
steel
molten steel
molds
inclusions
mold
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
JP8141279A
Other languages
Japanese (ja)
Other versions
JPS6120625B2 (en
Inventor
Yoshitomo Hitachi
Sadayuki Nakamura
Yukinori Matsuda
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.)
Daido Steel Co Ltd
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 JP8141279A priority Critical patent/JPS566758A/en
Publication of JPS566758A publication Critical patent/JPS566758A/en
Publication of JPS6120625B2 publication Critical patent/JPS6120625B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Treatment Of Steel In Its Molten State (AREA)

Abstract

PURPOSE: To obtain steel for molds which has less anisotropy of its mechanical properties and has good mold engraving property by adding S and Te under limited conditions and adjusting the form of sulfide-base inclusions.
CONSTITUTION: The molten steel of the composition contg. ≤2.5% C, ≤3.0% Si, ≤3.0% Mn and one or more kind of the elements selected from ≤25.0% Ni, ≤ 20.0% Cr, ≤10.0% Mo, ≤15.0% W, ≤10.0% Co, ≤3.0% V as well as ≤0.40% S and composed of Fe for the remainder is prepared in a furnace. This molten steel is transferred into a ladle or tundish and ≤0.40% Te is added thereto and is evenly dispersed so tht the weight ratio of Te/S becomes ≥0.04. At the time of adding Te, nonoxidative gas is introduced into the molten steel to remove nonmetallic inclusions of large sizes as far as possible. These yield the steel of good mirror-surface workability, embossability, etc. when used for metal molds, etc.
COPYRIGHT: (C)1981,JPO&Japio
JP8141279A 1979-06-29 1979-06-29 Steel for mold and its production Granted JPS566758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8141279A JPS566758A (en) 1979-06-29 1979-06-29 Steel for mold and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8141279A JPS566758A (en) 1979-06-29 1979-06-29 Steel for mold and its production

Related Child Applications (9)

Application Number Title Priority Date Filing Date
JP25723885A Division JPS61130466A (en) 1985-11-16 1985-11-16 Steel for die
JP25723985A Division JPS61130467A (en) 1985-11-16 1985-11-16 Steel for die
JP25724085A Division JPS61130468A (en) 1985-11-16 1985-11-16 Steel for die
JP25724385A Division JPS61130471A (en) 1985-11-16 1985-11-16 Steel for die
JP25724285A Division JPS61130470A (en) 1985-11-16 1985-11-16 Steel for die
JP25724485A Division JPS61130472A (en) 1985-11-16 1985-11-16 Steel for die
JP25724185A Division JPS61130469A (en) 1985-11-16 1985-11-16 Steel for die
JP25724685A Division JPS61130474A (en) 1985-11-16 1985-11-16 Steel for die
JP25724585A Division JPS61130473A (en) 1985-11-16 1985-11-16 Steel for die

Publications (2)

Publication Number Publication Date
JPS566758A true JPS566758A (en) 1981-01-23
JPS6120625B2 JPS6120625B2 (en) 1986-05-23

Family

ID=13745617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8141279A Granted JPS566758A (en) 1979-06-29 1979-06-29 Steel for mold and its production

Country Status (1)

Country Link
JP (1) JPS566758A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161051A (en) * 1981-03-31 1982-10-04 Daido Steel Co Ltd Steel for plastic mold
JPS5947362A (en) * 1982-09-09 1984-03-17 Hitachi Metals Ltd Cast tool steel
JPS61163248A (en) * 1985-01-09 1986-07-23 Kobe Steel Ltd Steel for metallic mold for plastic molding

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161051A (en) * 1981-03-31 1982-10-04 Daido Steel Co Ltd Steel for plastic mold
JPH0146582B2 (en) * 1981-03-31 1989-10-09 Daido Steel Co Ltd
JPS5947362A (en) * 1982-09-09 1984-03-17 Hitachi Metals Ltd Cast tool steel
JPH0242892B2 (en) * 1982-09-09 1990-09-26
JPS61163248A (en) * 1985-01-09 1986-07-23 Kobe Steel Ltd Steel for metallic mold for plastic molding

Also Published As

Publication number Publication date
JPS6120625B2 (en) 1986-05-23

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