GB1388407A - Mandrel for piercing tube blanks - Google Patents

Mandrel for piercing tube blanks

Info

Publication number
GB1388407A
GB1388407A GB3133472A GB3133472A GB1388407A GB 1388407 A GB1388407 A GB 1388407A GB 3133472 A GB3133472 A GB 3133472A GB 3133472 A GB3133472 A GB 3133472A GB 1388407 A GB1388407 A GB 1388407A
Authority
GB
United Kingdom
Prior art keywords
mandrel
piercing tube
tube blanks
tip
july
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
GB3133472A
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.)
Fagersta AB
Original Assignee
Fagersta AB
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 Fagersta AB filed Critical Fagersta AB
Publication of GB1388407A publication Critical patent/GB1388407A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

1388407 Forging-punches FAGERSTA AB 5 July 1972 [20 July 1971] 31334/72 Heading B3H [Also in Division C7] A mandrel for piercing tube blanks comprises a body 10 of a cobalt alloy and a tip 11 of a nickel alloy, both the body and tip having a carbon content below 0À20% preferably less than 0À04%. Various cobalt alloys for the body and nickel alloys for tip are described.
GB3133472A 1971-07-20 1972-07-05 Mandrel for piercing tube blanks Expired GB1388407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE931971A SE368915B (en) 1971-07-20 1971-07-20

Publications (1)

Publication Number Publication Date
GB1388407A true GB1388407A (en) 1975-03-26

Family

ID=20276388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3133472A Expired GB1388407A (en) 1971-07-20 1972-07-05 Mandrel for piercing tube blanks

Country Status (7)

Country Link
JP (1) JPS4828355A (en)
CA (1) CA959310A (en)
DE (1) DE2231924A1 (en)
FR (1) FR2146235B3 (en)
GB (1) GB1388407A (en)
IT (1) IT962984B (en)
SE (1) SE368915B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62207503A (en) * 1986-03-10 1987-09-11 Nippon Kokan Kk <Nkk> Plug for producing seamless pipe
JPS62271728A (en) * 1986-05-20 1987-11-26 Toto Ltd Frp molding equipment
JPH02224806A (en) * 1989-02-28 1990-09-06 Nkk Corp Plug for producing seamless steel pipe
CN112404895A (en) * 2020-10-31 2021-02-26 江苏华洋新思路能源装备股份有限公司 High-performance piercing plug and processing method

Also Published As

Publication number Publication date
JPS4828355A (en) 1973-04-14
SE368915B (en) 1974-07-29
DE2231924A1 (en) 1973-02-01
IT962984B (en) 1973-12-31
FR2146235A1 (en) 1973-03-02
CA959310A (en) 1974-12-17
FR2146235B3 (en) 1975-08-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee