FI69121B - Sega synnerligen haorda staol av dessa framstaellda foeremaol och deras framstaellningsfoerfarande - Google Patents

Sega synnerligen haorda staol av dessa framstaellda foeremaol och deras framstaellningsfoerfarande Download PDF

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Publication number
FI69121B
FI69121B FI790666A FI790666A FI69121B FI 69121 B FI69121 B FI 69121B FI 790666 A FI790666 A FI 790666A FI 790666 A FI790666 A FI 790666A FI 69121 B FI69121 B FI 69121B
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FI
Finland
Prior art keywords
steel
alloy
dessa
sega
synnerligen
Prior art date
Application number
FI790666A
Other languages
English (en)
Finnish (fi)
Other versions
FI790666A (fi
FI69121C (fi
Inventor
Peter Listemann
Hans-Dieter Seghezzi
Walter Ritt
Reinhold Zsalatz
Original Assignee
Hilti 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 Hilti Ag filed Critical Hilti Ag
Publication of FI790666A publication Critical patent/FI790666A/fi
Application granted granted Critical
Publication of FI69121B publication Critical patent/FI69121B/fi
Publication of FI69121C publication Critical patent/FI69121C/fi

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Classifications

    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten

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

Claims (6)

1. Förfarande för bainithärdning av olegerade eller nägot le-gerade, förändringströga stäl med läg martensitpunkt, vilka stäl har följande sairanansättning 0,50 - 1,00 % C 0,10 - 1,50 % Si 0,25 - 1,50 % Mn max. 0,045 % P max. 0,045 % S 0,20 - 0,90 % Mo och/eller 0,20 - 2,00 % Cr resten järn och sedvanliga föroreningar, kännetecknat därav, att bainithärdningen utföres i martensitpunktens temperaturomräde eller i temperaturomrädet o-medelbart ovaru'ör detta och tili en förändringsgrad av högst ca 85 % jämfört med den maximala längdökningen.
2. Förfarande enligt patentkrav 1, kännetecknat därav, att stalets sairanansättning är 0,57 - 0,75 % C 0,15 - 0,35 % Si 0,70 - 0,85 % Mn av vardera max. 0,035 % P % S 0,20 - 0,50 % Mo och/eller 0,20 - 1,00 Cr resten järn och sedvanliga föroreningar.
3. Förfarande enligt patentkrav 1, kännetecknat därav, att Mn-halten är 0,50 - 1,50 %.
4. Förfarande enligt nägot av patentkraven 1-3, k ä n n e -# t e c k n a t därav, att stälens seghet, uppmätt med kompakta runda provstavar med en diameter av 4,5 mm, är över 70 J, före-trädesvis över 85 J och härdhet minst 57 HRC, företrädesvis 58 HRC och mera, speciellt 60. 1
FI790666A 1978-04-21 1979-02-28 Sega synnerligen haorda staol av dessa framstaellda foeremaol och deras framstaellningsfoerfarande FI69121C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2817628 1978-04-21
DE2817628A DE2817628C2 (de) 1978-04-21 1978-04-21 Zähe, hochfeste Stahllegierungen und Verfahren zur Herstellung solcher Werkstücke

Publications (3)

Publication Number Publication Date
FI790666A FI790666A (fi) 1979-10-22
FI69121B true FI69121B (fi) 1985-08-30
FI69121C FI69121C (fi) 1985-12-10

Family

ID=6037726

Family Applications (1)

Application Number Title Priority Date Filing Date
FI790666A FI69121C (fi) 1978-04-21 1979-02-28 Sega synnerligen haorda staol av dessa framstaellda foeremaol och deras framstaellningsfoerfarande

Country Status (22)

Country Link
JP (1) JPS54141313A (sv)
AT (1) AT393279B (sv)
AU (1) AU527551B2 (sv)
BE (1) BE875730A (sv)
BR (1) BR7902454A (sv)
CA (1) CA1137337A (sv)
CH (1) CH646199A5 (sv)
CS (1) CS211362B2 (sv)
DE (1) DE2817628C2 (sv)
DK (1) DK155053C (sv)
ES (1) ES479774A1 (sv)
FI (1) FI69121C (sv)
FR (1) FR2423549B1 (sv)
GB (1) GB2019436B (sv)
IT (1) IT1112992B (sv)
NL (1) NL191388C (sv)
NO (1) NO153933C (sv)
PL (1) PL136257B1 (sv)
SE (1) SE449229B (sv)
SU (1) SU1232147A3 (sv)
YU (1) YU40746B (sv)
ZA (1) ZA791422B (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001083A1 (en) * 1978-11-15 1980-05-29 Caterpillar Tractor Co Lower bainite alloy steel article and method of making same
JPS5970724A (ja) * 1982-10-15 1984-04-21 Seiko Instr & Electronics Ltd 転鍛造ネジ
JPS61130456A (ja) * 1984-11-29 1986-06-18 Honda Motor Co Ltd 高強度ボルト及びその製造方法
JPH01268245A (ja) * 1988-04-19 1989-10-25 Fujitsu Ltd 切替制御回路
US4960473A (en) * 1989-10-02 1990-10-02 The Goodyear Tire & Rubber Company Process for manufacturing steel filament
SE510344C2 (sv) * 1997-08-01 1999-05-17 Ovako Steel Ab Sätt för fullständig bainithärdning av stål
NL1011806C2 (nl) * 1999-04-15 2000-10-17 Skf Engineering & Res Services Kogellagerstaal met een oppervlak met een onderbainitische structuur en een werkwijze voor het vervaardigen daarvan.
DE202005015611U1 (de) * 2005-09-30 2005-12-29 Textron Verbindungstechnik Gmbh & Co. Ohg Bolzen oder Schraube hoher Festigkeit
FR2916371B1 (fr) * 2007-05-24 2010-02-26 Fwu Kuang Entpr Co Ltd Procede de preparation de pieces forgees ayant une resistance a la traction et un allongement excellents a partir de fils mamchine en acier
DE102008041391A1 (de) * 2008-08-20 2010-01-14 Kamax-Werke Rudolf Kellermann Gmbh & Co. Kg Hochfeste Schraube mit Bainitgefüge
GB2485107A (en) * 2009-08-24 2012-05-02 Secr Defence Armour
DE102011054840A1 (de) 2011-10-26 2013-05-02 Rud Ketten Rieger & Dietz Gmbh U. Co. Kg Härtbarer Stahl für Hebe-, Anschlag-, Spann- und/oder Zurrmittel der Güteklasse 8 und darüber, Bauelement der Hebe-, Anschlag-, Spann- und/oder Zurrtechnik sowie Verfahren zur Herstellung eines solchen Bauelements
DE102011055497A1 (de) 2011-11-18 2013-05-23 Kamax Holding Gmbh & Co. Kg Ultrahochfeste Schraube mit hohem Streckgrenzverhältnis
KR101751530B1 (ko) * 2015-12-28 2017-06-27 주식회사 포스코 공구용 강판 및 그 제조방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB517118A (en) * 1938-07-13 1940-01-22 Ver Oberschlesische Huttenwerk Improvements in and relating to improved steels and the application thereof
DE973413C (de) * 1944-05-31 1960-02-11 Gussstahlwerk Witten Ag Verfahren zur Erzielung einer Haerte von mindestens 54RC bei gleichzeitig hoher Schlagbiegefestigkeit
US2914401A (en) * 1958-02-24 1959-11-24 Crucible Steel Co America Alloy steel
US3155550A (en) * 1961-09-15 1964-11-03 United States Steel Corp Heat treatment of chromium-free steel bearings
DE1558505A1 (de) * 1967-01-23 1970-04-16 Hilti Ag Verankerungsmittel
SE342475B (sv) * 1969-03-31 1972-02-07 Sandvikens Jernverks Ab

Also Published As

Publication number Publication date
IT1112992B (it) 1986-01-20
SE449229B (sv) 1987-04-13
BE875730A (fr) 1979-08-16
DE2817628C2 (de) 1985-08-14
FI790666A (fi) 1979-10-22
NL191388B (nl) 1995-02-01
PL136257B1 (en) 1986-02-28
IT7921467A0 (it) 1979-03-30
CH646199A5 (de) 1984-11-15
NL7901840A (nl) 1979-10-23
AU4562579A (en) 1979-10-25
GB2019436B (en) 1983-02-16
SU1232147A3 (ru) 1986-05-15
CS211362B2 (en) 1982-02-26
SE7903448L (sv) 1979-10-22
BR7902454A (pt) 1979-10-30
NO153933B (no) 1986-03-10
FI69121C (fi) 1985-12-10
YU80279A (en) 1983-02-28
ES479774A1 (es) 1979-11-16
PL215033A1 (sv) 1980-01-14
DE2817628A1 (de) 1979-10-25
DK162779A (da) 1979-10-22
JPS6312934B2 (sv) 1988-03-23
NO153933C (no) 1986-06-18
NO791296L (no) 1979-10-23
DK155053B (da) 1989-01-30
FR2423549A1 (fr) 1979-11-16
ATA241979A (de) 1984-04-15
CA1137337A (en) 1982-12-14
AT393279B (de) 1991-09-25
DK155053C (da) 1989-06-19
YU40746B (en) 1986-04-30
FR2423549B1 (fr) 1985-08-23
ZA791422B (en) 1980-04-30
NL191388C (nl) 1995-07-03
GB2019436A (en) 1979-10-31
AU527551B2 (en) 1983-03-10
JPS54141313A (en) 1979-11-02

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Owner name: HILTI AKTIENGESELLSCHAFT