JPH0547285B2 - - Google Patents

Info

Publication number
JPH0547285B2
JPH0547285B2 JP25983488A JP25983488A JPH0547285B2 JP H0547285 B2 JPH0547285 B2 JP H0547285B2 JP 25983488 A JP25983488 A JP 25983488A JP 25983488 A JP25983488 A JP 25983488A JP H0547285 B2 JPH0547285 B2 JP H0547285B2
Authority
JP
Japan
Prior art keywords
billet
defects
rolling
piercer
pure titanium
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 - Fee Related
Application number
JP25983488A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02108402A (ja
Inventor
Atsuhiko Kuroda
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP25983488A priority Critical patent/JPH02108402A/ja
Publication of JPH02108402A publication Critical patent/JPH02108402A/ja
Publication of JPH0547285B2 publication Critical patent/JPH0547285B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Forging (AREA)
JP25983488A 1988-10-14 1988-10-14 純チタン継目無管用ビレットの製造方法 Granted JPH02108402A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25983488A JPH02108402A (ja) 1988-10-14 1988-10-14 純チタン継目無管用ビレットの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25983488A JPH02108402A (ja) 1988-10-14 1988-10-14 純チタン継目無管用ビレットの製造方法

Publications (2)

Publication Number Publication Date
JPH02108402A JPH02108402A (ja) 1990-04-20
JPH0547285B2 true JPH0547285B2 (fr) 1993-07-16

Family

ID=17339640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25983488A Granted JPH02108402A (ja) 1988-10-14 1988-10-14 純チタン継目無管用ビレットの製造方法

Country Status (1)

Country Link
JP (1) JPH02108402A (fr)

Also Published As

Publication number Publication date
JPH02108402A (ja) 1990-04-20

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Legal Events

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