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GB870750A - Process for piercing solid metal ingots - Google Patents

Process for piercing solid metal ingots

Info

Publication number
GB870750A
GB870750A GB39122/59A GB3912259A GB870750A GB 870750 A GB870750 A GB 870750A GB 39122/59 A GB39122/59 A GB 39122/59A GB 3912259 A GB3912259 A GB 3912259A GB 870750 A GB870750 A GB 870750A
Authority
GB
United Kingdom
Prior art keywords
solid metal
metal ingots
piercing solid
piercing
ingots
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
GB39122/59A
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of GB870750A publication Critical patent/GB870750A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/03—Making uncoated products by both direct and backward extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/22—Making metal-coated products; Making products from two or more metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/10—Piercing billets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Forging (AREA)

Abstract

A steel ingot used in an extrusion process has the following composition: 0.4%C, 19% Cr, 13% Ni, 10% Co, 2% Mo, 2.5% W., 3% Nb.
GB39122/59A 1958-12-03 1959-11-18 Process for piercing solid metal ingots Expired GB870750A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEM39827A DE1131971B (en) 1958-12-03 1958-12-03 Vorwerkstueck for the production of pipes from solid blocks
DE870750X 1958-12-03
DE1240941X 1958-12-03

Publications (1)

Publication Number Publication Date
GB870750A true GB870750A (en) 1961-06-21

Family

ID=27207773

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39122/59A Expired GB870750A (en) 1958-12-03 1959-11-18 Process for piercing solid metal ingots

Country Status (2)

Country Link
DE (1) DE1131971B (en)
GB (1) GB870750A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260277B (en) * 1964-05-21 1968-02-01 Mannesmann Ag Device for holding lubricants during horizontal hot punching of steel blocks
EP0743106A1 (en) * 1995-05-19 1996-11-20 Nkk Corporation Method for manufacturing seamless pipe
EP0801996A1 (en) * 1994-10-18 1997-10-22 Nkk Corporation Method for producing a seamless steel tubular product

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE445897B (en) * 1983-09-14 1986-07-28 Melis Semenovich Gildengorn PROCEDURE FOR PREPARING HOLY, PLETTERED ARTICLES

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE703161C (en) * 1938-01-23 1941-03-03 Ver Deutsche Metallwerke Akt G Process for pressing nickel and other metals to be processed at very high pressing temperatures
FR988870A (en) * 1944-01-24 1951-09-03 Comptoir Ind Etirage Hot metal drilling improvements
GB603582A (en) * 1944-01-24 1948-06-18 Comptoir Ind Etirage Improvements in or relating to hot punching of metals
GB716933A (en) * 1951-10-15 1954-10-20 Comptoir Ind Etirage Hot punching of metal billets
AT188583B (en) * 1953-03-02 1957-01-25 United Steel Companies Ltd Process for the production of a tubular connecting piece from metal parts with different coefficients of thermal expansion

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260277B (en) * 1964-05-21 1968-02-01 Mannesmann Ag Device for holding lubricants during horizontal hot punching of steel blocks
EP0801996A1 (en) * 1994-10-18 1997-10-22 Nkk Corporation Method for producing a seamless steel tubular product
US5816087A (en) * 1994-10-18 1998-10-06 Nkk Corporation Method for producing a seamless steel tubular product
EP0743106A1 (en) * 1995-05-19 1996-11-20 Nkk Corporation Method for manufacturing seamless pipe
US5778714A (en) * 1995-05-19 1998-07-14 Nkk Corporation Method for manufacturing seamless pipe
US6073331A (en) * 1995-05-19 2000-06-13 Nkk Corporation Method for manufacturing seamless pipe

Also Published As

Publication number Publication date
DE1131971B (en) 1962-06-20

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