JPS6240420B2 - - Google Patents

Info

Publication number
JPS6240420B2
JPS6240420B2 JP25724285A JP25724285A JPS6240420B2 JP S6240420 B2 JPS6240420 B2 JP S6240420B2 JP 25724285 A JP25724285 A JP 25724285A JP 25724285 A JP25724285 A JP 25724285A JP S6240420 B2 JPS6240420 B2 JP S6240420B2
Authority
JP
Japan
Prior art keywords
steel
inclusions
mold
sulfide
less
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.)
Expired
Application number
JP25724285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61130470A (ja
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 JP25724285A priority Critical patent/JPS61130470A/ja
Publication of JPS61130470A publication Critical patent/JPS61130470A/ja
Publication of JPS6240420B2 publication Critical patent/JPS6240420B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
JP25724285A 1985-11-16 1985-11-16 型用鋼 Granted JPS61130470A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25724285A JPS61130470A (ja) 1985-11-16 1985-11-16 型用鋼

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25724285A JPS61130470A (ja) 1985-11-16 1985-11-16 型用鋼

Related Parent Applications (1)

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

Publications (2)

Publication Number Publication Date
JPS61130470A JPS61130470A (ja) 1986-06-18
JPS6240420B2 true JPS6240420B2 (ko) 1987-08-28

Family

ID=17303660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25724285A Granted JPS61130470A (ja) 1985-11-16 1985-11-16 型用鋼

Country Status (1)

Country Link
JP (1) JPS61130470A (ko)

Also Published As

Publication number Publication date
JPS61130470A (ja) 1986-06-18

Similar Documents

Publication Publication Date Title
EP3831970B1 (en) Spring steel having superior fatigue life, and manufacturing method for same
CA1121187A (en) Bismuth-containing steel
JPS6338418B2 (ko)
JPS5946300B2 (ja) 被削性にすぐれた冷間鍛造用鋼およびその製造方法
JPH11350065A (ja) 旋削加工性に優れた熱間鍛造用非調質鋼
US2182759A (en) Steel
JPS61272349A (ja) 軸受鋼
JPS59205453A (ja) 快削鋼とその製造方法
JPS61130467A (ja) プラスチック成形金型用鋼
JPS6240420B2 (ko)
JPS6240422B2 (ko)
JPS6120625B2 (ko)
JPS6358216B2 (ko)
JPS6240421B2 (ko)
JPH09202938A (ja) 被削性に優れたクロム−モリブデン鋳鋼
JP2755301B2 (ja) 熱間加工用工具鋼
JPS61130469A (ja) プラスチック成形金型用鋼
US3634073A (en) Free-machining steel, articles thereof and method of making
JPS61130472A (ja) プラスチック成形金型用鋼
JPS61130471A (ja) 型用鋼
JPS61130468A (ja) プラスチック成形金型用鋼
JPS61130466A (ja) プラスチック成形金型用鋼
JPH0545661B2 (ko)
JPS582585B2 (ja) 冷間工具鋼及びその製造法
JPS619554A (ja) 冷間圧延用鍛鋼ロ−ル