EP1054074A3 - Wismut und Schwefel enthaltenden zerspanbaren Stahl mit ausgezeichneter Dehnbarkeit bei hohen Temperaturen und Herstellungsverfahren dafür - Google Patents

Wismut und Schwefel enthaltenden zerspanbaren Stahl mit ausgezeichneter Dehnbarkeit bei hohen Temperaturen und Herstellungsverfahren dafür Download PDF

Info

Publication number
EP1054074A3
EP1054074A3 EP99303965A EP99303965A EP1054074A3 EP 1054074 A3 EP1054074 A3 EP 1054074A3 EP 99303965 A EP99303965 A EP 99303965A EP 99303965 A EP99303965 A EP 99303965A EP 1054074 A3 EP1054074 A3 EP 1054074A3
Authority
EP
European Patent Office
Prior art keywords
high temperature
bismuth
free
manufacturing
superior high
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Withdrawn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
EP99303965A
Other languages
English (en)
French (fr)
Other versions
EP1054074A2 (de
Inventor
Sam Kyo Cho
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.)
Posco Holdings Inc
Original Assignee
Pohang Iron and Steel Co 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 Pohang Iron and Steel Co Ltd filed Critical Pohang Iron and Steel Co Ltd
Priority to EP99303965A priority Critical patent/EP1054074A3/de
Publication of EP1054074A2 publication Critical patent/EP1054074A2/de
Publication of EP1054074A3 publication Critical patent/EP1054074A3/de
Withdrawn legal-status Critical Current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
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
EP99303965A 1999-05-21 1999-05-21 Wismut und Schwefel enthaltenden zerspanbaren Stahl mit ausgezeichneter Dehnbarkeit bei hohen Temperaturen und Herstellungsverfahren dafür Withdrawn EP1054074A3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99303965A EP1054074A3 (de) 1999-05-21 1999-05-21 Wismut und Schwefel enthaltenden zerspanbaren Stahl mit ausgezeichneter Dehnbarkeit bei hohen Temperaturen und Herstellungsverfahren dafür

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99303965A EP1054074A3 (de) 1999-05-21 1999-05-21 Wismut und Schwefel enthaltenden zerspanbaren Stahl mit ausgezeichneter Dehnbarkeit bei hohen Temperaturen und Herstellungsverfahren dafür

Publications (2)

Publication Number Publication Date
EP1054074A2 EP1054074A2 (de) 2000-11-22
EP1054074A3 true EP1054074A3 (de) 2001-06-27

Family

ID=8241403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99303965A Withdrawn EP1054074A3 (de) 1999-05-21 1999-05-21 Wismut und Schwefel enthaltenden zerspanbaren Stahl mit ausgezeichneter Dehnbarkeit bei hohen Temperaturen und Herstellungsverfahren dafür

Country Status (1)

Country Link
EP (1) EP1054074A3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3918787B2 (ja) * 2003-08-01 2007-05-23 住友金属工業株式会社 低炭素快削鋼
WO2014125779A1 (ja) * 2013-02-18 2014-08-21 新日鐵住金株式会社 鉛快削鋼
CN104995324B (zh) * 2013-02-18 2016-08-24 新日铁住金株式会社 含铅易切削钢
CN113528889B (zh) * 2021-07-15 2022-01-18 安徽工业大学 一种环保型含铋易切削钢用铋钛锰硒合金及其制备方法
CN113546966B (zh) * 2021-08-12 2023-08-01 广东韶钢松山股份有限公司 一种减少硫系易切削钢表面凹坑的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255188A (en) * 1979-08-29 1981-03-10 Inland Steel Company Free machining steel with bismuth and manganese sulfide
EP0219194A1 (de) * 1985-07-31 1987-04-22 Daido Tokushuko Kabushiki Kaisha Rostfreie austenitische Automatenstähle
JPH05331592A (ja) * 1992-06-01 1993-12-14 Kobe Steel Ltd 切削性、熱間加工性に優れた快削鋼およびその製造方 法
JPH06114500A (ja) * 1992-10-05 1994-04-26 Nippon Steel Corp 低炭硫黄系快削鋼の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255188A (en) * 1979-08-29 1981-03-10 Inland Steel Company Free machining steel with bismuth and manganese sulfide
EP0219194A1 (de) * 1985-07-31 1987-04-22 Daido Tokushuko Kabushiki Kaisha Rostfreie austenitische Automatenstähle
JPH05331592A (ja) * 1992-06-01 1993-12-14 Kobe Steel Ltd 切削性、熱間加工性に優れた快削鋼およびその製造方 法
JPH06114500A (ja) * 1992-10-05 1994-04-26 Nippon Steel Corp 低炭硫黄系快削鋼の製造方法

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
"Spurenelemente in Stählen", VERLAG STAHLEISEN, DÜSSELDORF, XP002119883 *
CHEMICAL ABSTRACTS, vol. 125, no. 20, 11 November 1996, Columbus, Ohio, US; abstract no. 254479, CHO, SAM-KYU: "Effect of hot rolling and bismuth content on the hot ductility in free machining steel with bismuth and manganese sulfide" XP002119884 *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 170 (C - 1182) 23 March 1994 (1994-03-23) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 396 (M - 1644) 25 July 1994 (1994-07-25) *
TAEHAN KUMSOK HAKHOECHI (1996), 34(7), 823-829 *

Also Published As

Publication number Publication date
EP1054074A2 (de) 2000-11-22

Similar Documents

Publication Publication Date Title
JP2001355048A (ja) フェライト系快削ステンレス鋼
US4802918A (en) Case hardened steel and method of manufacturing the same
JPS57198216A (en) Manufacture of high-strength rail
ES463422A1 (es) Metodo de fabricar una chapa de acero laminado en caliente de doble fase.
KR940002370A (ko) 성형성, 강도 및 용접성이 우수한 오스테나이트계 고 망간강과 그 제조방법
SI1375694T2 (sl) Toplo valjan jeklen trak in postopek za njegovo izdelavo
WO2000028100A1 (fr) Acier pour roulements presentant une excellente resistance au roulement
CA2371333A1 (en) Steel for plastic molds and process for the heat treatment thereof
JPS5785952A (en) High-speed steel
EP1054074A3 (de) Wismut und Schwefel enthaltenden zerspanbaren Stahl mit ausgezeichneter Dehnbarkeit bei hohen Temperaturen und Herstellungsverfahren dafür
DE60015682D1 (de) Ferritisches Niobium-stabilisiertes 14% Chrom-stahl und dessen Verwendung in Kraftfahrzeugen
SE9903580L (sv) Stålmaterial, dess användning och tillverkning
EP1449932A1 (de) Automatenstahl
JPS55107763A (en) High tensile structural steel having superior strain relief treating embrittlement resistance
JPH08193249A (ja) 被削性に優れたフェライト系およびマルテンサイト系ステンレス鋼
JPS55131159A (en) High tensile low alloy steel for steel pipe
Uzlov Advanced processes and quality of railroad wheels.
JPS5693858A (en) High temp. steel with excellent creep embrittlement resistance
KR100262441B1 (ko) 냉간단조성이 우수한 침탄용강
KR930003643B1 (ko) 개재물형상이 제어된 고인성 비조질강
JPS57155349A (en) Hypereutectoid low alloy steel for super high tension steel wire with high strength, high toughness and high drawability
JPS565957A (en) Cold working tool steel
KR940014873A (ko) 열간가공성이 우수한 오스테나이트계 쾌삭스텐레스강
KR970033113A (ko) 내열간취화성이 우수한 비스무스(Bi)-유황(S)계 쾌삭강 및 그 선재의 제조방법
JPS5739162A (en) High carbon steel for free-cutting bearing

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19990605

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

AKX Designation fees paid

Free format text: DE FR GB

17Q First examination report despatched

Effective date: 20020919

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20041006