FR2173692A1 - Tube cold rolling - raises workpiece temp which heat is utilized in final heat treatment - Google Patents

Tube cold rolling - raises workpiece temp which heat is utilized in final heat treatment

Info

Publication number
FR2173692A1
FR2173692A1 FR7206677A FR7206677A FR2173692A1 FR 2173692 A1 FR2173692 A1 FR 2173692A1 FR 7206677 A FR7206677 A FR 7206677A FR 7206677 A FR7206677 A FR 7206677A FR 2173692 A1 FR2173692 A1 FR 2173692A1
Authority
FR
France
Prior art keywords
temp
utilized
heat treatment
cold rolling
heat
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.)
Withdrawn
Application number
FR7206677A
Other languages
French (fr)
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.)
INST TRUBNOI PROMYSHLENOST
Original Assignee
INST TRUBNOI PROMYSHLENOST
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
Priority to DE19722205657 priority Critical patent/DE2205657A1/en
Application filed by INST TRUBNOI PROMYSHLENOST filed Critical INST TRUBNOI PROMYSHLENOST
Priority to FR7206677A priority patent/FR2173692A1/en
Publication of FR2173692A1 publication Critical patent/FR2173692A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
    • B21B21/005—Pilgrim-step tube-rolling, i.e. pilger mills with reciprocating stand, e.g. driving the stand
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0263—Lubricating devices using solid lubricants

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

The temp. of the metal tube workpieces is raised as a result of rolling to 200-300 degrees C and after leaving the roll street the workpieces are heated up from this temp. in a final heat treatment to 500-1100 degrees C. A high temp. lubricant is pref. used during cold working.
FR7206677A 1972-02-07 1972-02-28 Tube cold rolling - raises workpiece temp which heat is utilized in final heat treatment Withdrawn FR2173692A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19722205657 DE2205657A1 (en) 1972-02-07 1972-02-07 PIPE MANUFACTURING PROCESS
FR7206677A FR2173692A1 (en) 1972-02-07 1972-02-28 Tube cold rolling - raises workpiece temp which heat is utilized in final heat treatment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722205657 DE2205657A1 (en) 1972-02-07 1972-02-07 PIPE MANUFACTURING PROCESS
FR7206677A FR2173692A1 (en) 1972-02-07 1972-02-28 Tube cold rolling - raises workpiece temp which heat is utilized in final heat treatment

Publications (1)

Publication Number Publication Date
FR2173692A1 true FR2173692A1 (en) 1973-10-12

Family

ID=25762686

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7206677A Withdrawn FR2173692A1 (en) 1972-02-07 1972-02-28 Tube cold rolling - raises workpiece temp which heat is utilized in final heat treatment

Country Status (2)

Country Link
DE (1) DE2205657A1 (en)
FR (1) FR2173692A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3926459A1 (en) * 1989-08-10 1991-02-14 Schloemann Siemag Ag METHOD AND SYSTEM FOR THE PRODUCTION OF THERMOMECHANICALLY TREATED ROLLED STEEL

Also Published As

Publication number Publication date
DE2205657A1 (en) 1973-08-23

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Legal Events

Date Code Title Description
ST Notification of lapse