JPS6247944B2 - - Google Patents

Info

Publication number
JPS6247944B2
JPS6247944B2 JP53032579A JP3257978A JPS6247944B2 JP S6247944 B2 JPS6247944 B2 JP S6247944B2 JP 53032579 A JP53032579 A JP 53032579A JP 3257978 A JP3257978 A JP 3257978A JP S6247944 B2 JPS6247944 B2 JP S6247944B2
Authority
JP
Japan
Prior art keywords
pipe
blackening
atmosphere
blackening treatment
forming line
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
JP53032579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54128913A (en
Inventor
Nobumasa Shigemoto
Manabu Toyoda
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP3257978A priority Critical patent/JPS54128913A/ja
Publication of JPS54128913A publication Critical patent/JPS54128913A/ja
Publication of JPS6247944B2 publication Critical patent/JPS6247944B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Articles (AREA)
JP3257978A 1978-03-22 1978-03-22 Method and apparatus for graphitizing pipes*mounted in pipe forming line Granted JPS54128913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3257978A JPS54128913A (en) 1978-03-22 1978-03-22 Method and apparatus for graphitizing pipes*mounted in pipe forming line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3257978A JPS54128913A (en) 1978-03-22 1978-03-22 Method and apparatus for graphitizing pipes*mounted in pipe forming line

Publications (2)

Publication Number Publication Date
JPS54128913A JPS54128913A (en) 1979-10-05
JPS6247944B2 true JPS6247944B2 (enrdf_load_stackoverflow) 1987-10-12

Family

ID=12362780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3257978A Granted JPS54128913A (en) 1978-03-22 1978-03-22 Method and apparatus for graphitizing pipes*mounted in pipe forming line

Country Status (1)

Country Link
JP (1) JPS54128913A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63149365A (ja) * 1986-12-12 1988-06-22 Sanou Kogyo Kk ステンレス鋼パイプのガス発生防止処理方法

Also Published As

Publication number Publication date
JPS54128913A (en) 1979-10-05

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