GB913300A - Improvements in or relating to processes of hot-forming austenitic cr-ni steels having sub-eutectic boron values - Google Patents

Improvements in or relating to processes of hot-forming austenitic cr-ni steels having sub-eutectic boron values

Info

Publication number
GB913300A
GB913300A GB3511861A GB3511861A GB913300A GB 913300 A GB913300 A GB 913300A GB 3511861 A GB3511861 A GB 3511861A GB 3511861 A GB3511861 A GB 3511861A GB 913300 A GB913300 A GB 913300A
Authority
GB
United Kingdom
Prior art keywords
eutectic
sub
steels
relating
hot
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
GB3511861A
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.)
Gebrueder Boehler and Co AG
Original Assignee
Gebrueder Boehler and Co 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 Gebrueder Boehler and Co AG filed Critical Gebrueder Boehler and Co AG
Publication of GB913300A publication Critical patent/GB913300A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B21C23/01—Extruding metal; Impact extrusion starting from material of particular form or shape, e.g. mechanically pre-treated
    • 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
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron

Landscapes

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

Abstract

An austenitic Cr-Ni steel having sub-eutectic boron values has the following composition:- .C.Cr.Ni.Boron .%.%.%.% .-.-.-.- .0.03.17.6.15.9.1.93 .0.04.21.4.10.0.1.96 .0.03.17.6.16.0.0.93 .0.03.21.5.10.0.0.94 The silicon content of these melts is between 0.90 and 0.97% and the Mn content between 0.74 and 0.80%.
GB3511861A 1961-06-20 1961-09-29 Improvements in or relating to processes of hot-forming austenitic cr-ni steels having sub-eutectic boron values Expired GB913300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT475361A AT230406B (en) 1961-06-20 1961-06-20 Process for the hot forming of austenitic Cr-Ni steels with hypoeutectic but at least 1.5% boron contents

Publications (1)

Publication Number Publication Date
GB913300A true GB913300A (en) 1962-12-19

Family

ID=3567927

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3511861A Expired GB913300A (en) 1961-06-20 1961-09-29 Improvements in or relating to processes of hot-forming austenitic cr-ni steels having sub-eutectic boron values

Country Status (6)

Country Link
AT (1) AT230406B (en)
BE (1) BE619188A (en)
CH (1) CH404592A (en)
DE (1) DE1433709A1 (en)
GB (1) GB913300A (en)
LU (1) LU41908A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632323A1 (en) * 1988-06-06 1989-12-08 Carpenter Technology Corp BORON-CONTAINABLE STAINLESS STEEL ALLOY, ARTICLE PRODUCED THEREFROM, AND PROCESS FOR PRODUCING THE SAME

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632323A1 (en) * 1988-06-06 1989-12-08 Carpenter Technology Corp BORON-CONTAINABLE STAINLESS STEEL ALLOY, ARTICLE PRODUCED THEREFROM, AND PROCESS FOR PRODUCING THE SAME
GB2219602A (en) * 1988-06-06 1989-12-13 Carpenter Technology Corp Workable boron-containing stainless steel alloy
GB2219602B (en) * 1988-06-06 1992-07-22 Carpenter Technology Corp Workable boron-containing stainless steel alloy,process for making it and article made from it

Also Published As

Publication number Publication date
LU41908A1 (en) 1962-08-20
BE619188A (en)
CH404592A (en) 1965-12-31
DE1433709A1 (en) 1968-12-12
AT230406B (en) 1963-12-10

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