JPS6214632B2 - - Google Patents

Info

Publication number
JPS6214632B2
JPS6214632B2 JP57119389A JP11938982A JPS6214632B2 JP S6214632 B2 JPS6214632 B2 JP S6214632B2 JP 57119389 A JP57119389 A JP 57119389A JP 11938982 A JP11938982 A JP 11938982A JP S6214632 B2 JPS6214632 B2 JP S6214632B2
Authority
JP
Japan
Prior art keywords
plug
nitriding
effect
seamless steel
tool
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
JP57119389A
Other languages
English (en)
Japanese (ja)
Other versions
JPS599155A (ja
Inventor
Isao Takada
Hiroshi Ootsubo
Tatsuo Kawasaki
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP11938982A priority Critical patent/JPS599155A/ja
Publication of JPS599155A publication Critical patent/JPS599155A/ja
Publication of JPS6214632B2 publication Critical patent/JPS6214632B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
JP11938982A 1982-07-09 1982-07-09 継目無鋼管製造用工具材料の製造方法 Granted JPS599155A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11938982A JPS599155A (ja) 1982-07-09 1982-07-09 継目無鋼管製造用工具材料の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11938982A JPS599155A (ja) 1982-07-09 1982-07-09 継目無鋼管製造用工具材料の製造方法

Publications (2)

Publication Number Publication Date
JPS599155A JPS599155A (ja) 1984-01-18
JPS6214632B2 true JPS6214632B2 (en:Method) 1987-04-03

Family

ID=14760285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11938982A Granted JPS599155A (ja) 1982-07-09 1982-07-09 継目無鋼管製造用工具材料の製造方法

Country Status (1)

Country Link
JP (1) JPS599155A (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9715345D0 (en) * 1997-07-21 1997-09-24 Rhp Bearings Ltd Case hardening of steels
JP4992603B2 (ja) * 2007-08-14 2012-08-08 住友金属工業株式会社 熱間継目無製管用マンドレルバーの表面処理方法
CN103510027A (zh) * 2013-05-30 2014-01-15 洛阳天信矿山机械制造有限公司 一种耐磨的破碎机锤头

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658963A (en) * 1979-10-20 1981-05-22 Kiyoichi Ogawa Method and device for nitrified-layer stabilizing vapor coating processing
JPS5773171A (en) * 1980-10-24 1982-05-07 Daido Steel Co Ltd Tool steel

Also Published As

Publication number Publication date
JPS599155A (ja) 1984-01-18

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