DE1558505A1 - Anchoring means - Google Patents
Anchoring meansInfo
- Publication number
- DE1558505A1 DE1558505A1 DE19671558505 DE1558505A DE1558505A1 DE 1558505 A1 DE1558505 A1 DE 1558505A1 DE 19671558505 DE19671558505 DE 19671558505 DE 1558505 A DE1558505 A DE 1558505A DE 1558505 A1 DE1558505 A1 DE 1558505A1
- Authority
- DE
- Germany
- Prior art keywords
- anchoring means
- max
- temperature
- weight
- minutes
- 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.)
- Pending
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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
Description
DR.tf.EULE OR.W..BERS DiPLA-O-STAPF DR.tf.EULE OR.W..BERS DiPLA-O-STAPF
^TENiA^ TENiA
8 MÖHCHEN 28 MÖHCHEN 2
TRASSSZOTRASSSZO
Änwaltsakte .14 8o2 23. Jan. 1967Lawyer record .14 8o2 Jan. 23, 1967
KlKl
1 S / 0 6 S 3 BAD oraG'NAL1 S / 0 6 S 3 BAD oraG 'NAL
der Verankerungmittel mit Setxgeräten, die z,B, von Hand pneumatisch oder ait Pulverkraft betrieben werden,the anchoring means with Setx devices that are operated, for example, by hand, pneumatically or with powder power,
Ea besteht daa Bedarf nie, euch auf aehr harten Beton und auf Bauatählen der Qualitäten St 42 und Insbesondere St 52 Befestigung anzubringen» auf denen die bekannten Verankerungsmittel mit Hirten bis 54 HRc, nicht »ehr xuveifiesig verwendet werden können. Bei» Beschuss von Materialien «unehaender Festigkeit kann die HJUrte des Werkstoffes der Verankerungen ittal nicht beliebig er« höht werden, da bekanntlich nit zunehmender Härte die Zähigkeit abfällt.Ea there is never a need to fix yourselves on very hard concrete and on structural steels of the qualities St 42 and in particular St 52 fastening to be attached »on which the known anchoring means with shepherds up to 54 HRc, not or more xuveifiesig, can be used. In the case of »bombardment of materials« of unsuitable strength, the The age of the anchorage material in ittal is not arbitrary « be increased, since it is well known that the toughness increases with increasing hardness falls off.
ISa 1st demgemäss Aufgabe der Erfindung» ain Material for Verankerungemittel ansugeben, daa einfache und zuverlässige Befestigungen auf hochfesten Stoffen endglicht und wirtschaftlich ist.Accordingly, the object of the invention is to specify a material for anchoring means, since simple and reliable fastening on high-strength materials is possible and economical.
Das erfindungsgenässe Verankerungsmlttel ist gekennzeichnet durch einen legierten Federstahl der ZusaanensetsungThe anchoring means according to the invention is characterized by an alloyed spring steel of the composition
C 0,50 - 0,80 Gew-tC 0.50-0.80 wt. T
Si 0,70 - 2,00 »Si 0.70 - 2.00 »
Mn 0,50 - 1,20 "Mn 0.50 - 1.20 "
Cr 0,50 - 1,20 »Cr 0.50 - 1.20 »
P max. 0,035 "P max. 0.035 "
S max. 0,035 "S max. 0.035 "
Rest EisenRemainder iron
■it ganz überwiegend vorzugsweise vollständig balnltlscher Struktur und einer serienväaaig reproduaierbaren Härte 1· Bereich von 55-58 HRc.■ with a predominantly, preferably completely Balnltl structure and a serial reproducible hardness 1 · range of 55-58 HRc.
Der Erfindung liegt die Erkenntnis sugrunde, dass bei manchen Stahlen mit fiberwiegend bainitischer Struktur im Hirtebereich von 55 - 58 HRc die Zähfekelt grosser 1st ala bei der martensitlschen Struktur«The invention is based on the knowledge that with some Steel with a predominantly bainitic structure in the shepherd's area from 55 - 58 HRc the counts greater 1st ala in the martensitic structure «
BAD ORIGINALBATH ORIGINAL
009816/OS53009816 / OS53
Besonders bewahrt haben sich Legierungen mit den vorgenannten Eigenschaften mit folgenden Gehalten:Alloys with the aforementioned have proven particularly successful Properties with the following contents:
C 0,60 - 0,70 Gew-%C 0.60 - 0.70% by weight
Si 1,4 - 1,6 Gew-%Si 1.4 - 1.6 wt%
Hn 0,55 - 0,65 Gew-%Hn 0.55-0.65% by weight
Cr . 0,60 - 0,80 Gew-%Cr. 0.60 - 0.80% by weight
P max. 0,025 Gew-%P max.0.025% by weight
S max» 0,o25 Gew-% Rest ElsenS max »0.025% by weight Rest of Elsen
Gemäss einer vorteilhaften Weiterbildung der Erfindung enthält der legierte Federstahl zusätzlich je max. 0,5 Gew-% Molybdän und/oder Vanadin»According to an advantageous development of the invention contains the alloyed spring steel additionally each max. 0.5 wt.% molybdenum and / or vanadium »
Die gewünschten Eigenschaften bezüglich Härte und Zähigkeit heben die aus dem angegebenen .Stahl bestehenden Verankerungen nur bei Vorliegen ganz überwiegender, z»B. über 90 % oder mehr, bainitischer Struktur, die bei der üblichen Wärmebehandlung nicht erhalten wird cThe desired properties in terms of hardness and toughness only raise the anchorages made of the specified steel if present, more predominantly, e.g. over 90% or more, bainitic structure, which is not obtained with the usual heat treatment c
Das erfindungsgemässe Verfahren zur Herstellung der Verankerungsini ttel der vorstehenden Zusammensetzung ist dadurch gekennzeich*» net, dass zur Erzielung der bainitischen Struktur das Verankerung^* mittel für ca. 10 ° 30 Minuten auf eine Temperatur Im Bereich von 850 -9500C erwärmt, dann ra sch auf eine Temperatur Im Bereich vor, 200 - 280° C abgekühlt, auf dieser Temperatur etwa 30 - 120 Minuten belassen und danach auf Raumtemperatur abgekühlt wird.The inventive method for producing the Verankerungsini ttel the above composition is characterized * "net that * medium for approximately 10 ° 30 minutes to a temperature in the range of 850 -950 0 C gekennzeich heated to obtain the bainitic structure, the anchoring ^, then It is cooled to a temperature in the range before 200 - 280 ° C, left at this temperature for about 30 - 120 minutes and then cooled to room temperature.
Dabei ist eine solche Legierung der beanspruchten Art, insbesondere hinsichtlich des Gehalts an karbidbildenden Elementen, zu verwenden, dass bei Herstellung der Bainitstruktur die Bildung der versrpödend wirkenden Karbide vermieden wird.Such an alloy of the type claimed, in particular with regard to the content of carbide-forming elements, is permitted use that in making the bainite structure the formation the embrittling carbides is avoided.
Das verwendete Material für die Herstellung dsr erflndungsgemässen Verankerungen hat darüberhlnaus den Vorteil der PreisgQnstigkeit.The material used for the manufacture of the invention Anchoring also has the advantage of being inexpensive.
009816/0653009816/0653
Es 1st durch Kaltverformung wirtschaftlich verarbeitbar. Eine nachfolgende Verzinkung beeinflusst die Eigenschaften der Verankerungsaittel nldt nachteilig*It can be processed economically through cold forming. One subsequent galvanization has a negative impact on the properties of the anchoring means *
Die Anwendung des erfindungsgeaässen Materials ist nicht auf die Herstellung von Verankerungsmitteln beschränkt.The application of the erfindungsgeaässen material is not on the Manufacturing of anchors is limited.
Nachfolgend werden für ein Beispiel eines erfindungsgemässen Stahls die Zähigkeit (gemessen als Schlagarbeit einer glatten Rundprobe der Zusammensetzung In Gew-1 0,6 C, 0,8 Mn, 1,8 Si, 0,5 Cr1 0,4 Mo, Rest Elsen) der siartensitischen und balnttischen Struktur bei verschiedenen Härten einander gegenübergestellt :For an example of a steel according to the invention, the toughness (measured as the impact energy of a smooth round specimen with the composition In Gew-1 0.6 C, 0.8 Mn, 1.8 Si, 0.5 Cr 1 0.4 Mo, remainder Elsen ) the siartensitic and balnttic structure with different degrees of hardness compared to each other:
Härte HRcHardness HRc
martensltischmartensl table
1616
1313th
bainitlschbainitlsch
28 21 1128 21 11
Aus dieser Tabelle ergibt sich die eindeutige Ueberlegenheit der bainitischen Struktur des untersuchten Stahls gegenüber der martensitischen für die Lösung der gestellten Aufgabe. Lediglich ein Stahl mit überwiegend bainitischer Struktur hat neben der nötigen Hart« die erforderliche ZähigkeitThis table shows the clear superiority of the bainitic structure of the examined steel versus the martensitic structure for the solution of the given task. Only a steel with a predominantly bainitic structure has the necessary toughness in addition to the necessary hardness
009816/0653009816/0653
BADBATH
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH0061632 | 1967-01-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1558505A1 true DE1558505A1 (en) | 1970-04-16 |
Family
ID=7161488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19671558505 Pending DE1558505A1 (en) | 1967-01-23 | 1967-01-23 | Anchoring means |
Country Status (6)
Country | Link |
---|---|
US (1) | US3528088A (en) |
DE (1) | DE1558505A1 (en) |
FI (1) | FI48204C (en) |
FR (1) | FR1551693A (en) |
GB (1) | GB1163640A (en) |
SE (1) | SE326045B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2817628A1 (en) * | 1978-04-21 | 1979-10-25 | Hilti Ag | TOE, HIGH-STRENGTH STEEL, ITEMS THEREOF AND METHOD FOR THE PRODUCTION THEREOF |
DE3124977A1 (en) * | 1980-06-26 | 1982-04-29 | Kabushiki Kaisha Kobe Seiko Sho, Kobe | Spring steel for vehicles |
DE102008041391A1 (en) * | 2008-08-20 | 2010-01-14 | Kamax-Werke Rudolf Kellermann Gmbh & Co. Kg | High strength bolt has bainite structure produced by austempering which extends across whole cross-section of the bolt and increases its tensile strength |
EP2594653A1 (en) | 2011-11-18 | 2013-05-22 | KAMAX Holding GmbH & Co. KG | Ultra high strength screw having a high yield ratio |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3854363A (en) * | 1969-03-31 | 1974-12-17 | Sandvik Ab | Chain saw unit |
AT309495B (en) * | 1970-01-09 | 1973-08-27 | Boehler & Co Ag Geb | Chainsaw steel |
JPS5341092B1 (en) * | 1971-05-28 | 1978-10-31 | ||
FI780026A (en) * | 1978-01-05 | 1979-07-06 | Ovako Oy | KISELLEGERAT STAOL |
US4256517A (en) * | 1978-01-09 | 1981-03-17 | Republic Steel Corporation | Welded alloy casing |
US4343661A (en) * | 1978-11-15 | 1982-08-10 | Caterpillar Tractor Co. | Method of making a low temperature bainite steel alloy gear |
JPS55500910A (en) * | 1978-11-15 | 1980-11-06 | ||
US4225365A (en) * | 1978-11-15 | 1980-09-30 | Caterpillar Tractor Co. | Lower bainite alloy steel article and method of making same |
US4432812A (en) * | 1980-04-21 | 1984-02-21 | Caterpillar Tractor Co. | Drive train gear of lower bainite alloy steel |
US4448617A (en) * | 1980-08-05 | 1984-05-15 | Aichi Steel Works, Ltd. | Steel for a vehicle suspension spring having good sag-resistance |
JPS5827955A (en) * | 1981-08-11 | 1983-02-18 | Aichi Steel Works Ltd | Spring steel with superior hardenability and wear resistance |
US4563222A (en) * | 1983-06-29 | 1986-01-07 | Sugita Wire Mfg. Co., Ltd. | High strength bolt and method of producing same |
JPS60194047A (en) * | 1984-03-14 | 1985-10-02 | Aichi Steel Works Ltd | High quality bearing steel and its production |
JP2867626B2 (en) * | 1990-06-14 | 1999-03-08 | 株式会社東郷製作所 | Leaf spring hose band and method of manufacturing the same |
GB2535782A (en) * | 2015-02-27 | 2016-08-31 | Skf Ab | Bearing Steel |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1054098A (en) * | 1964-05-07 | |||
US3418178A (en) * | 1965-06-23 | 1968-12-24 | Manlabs Inc | Bainitic steel of the 94xx type possessing high strength and fracture toughness |
-
1967
- 1967-01-23 DE DE19671558505 patent/DE1558505A1/en active Pending
- 1967-12-20 GB GB57844/67A patent/GB1163640A/en not_active Expired
-
1968
- 1968-01-17 US US698578A patent/US3528088A/en not_active Expired - Lifetime
- 1968-01-19 FI FI680142A patent/FI48204C/en active
- 1968-01-22 SE SE00803/68A patent/SE326045B/xx unknown
- 1968-01-22 FR FR1551693D patent/FR1551693A/fr not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2817628A1 (en) * | 1978-04-21 | 1979-10-25 | Hilti Ag | TOE, HIGH-STRENGTH STEEL, ITEMS THEREOF AND METHOD FOR THE PRODUCTION THEREOF |
DK155053B (en) * | 1978-04-21 | 1989-01-30 | Hilti Ag | BAINITABLE, HIGH-STRENGTH TRANSFORMATION STEEL Alloy AND PREPARATION METHOD |
DE3124977A1 (en) * | 1980-06-26 | 1982-04-29 | Kabushiki Kaisha Kobe Seiko Sho, Kobe | Spring steel for vehicles |
DE102008041391A1 (en) * | 2008-08-20 | 2010-01-14 | Kamax-Werke Rudolf Kellermann Gmbh & Co. Kg | High strength bolt has bainite structure produced by austempering which extends across whole cross-section of the bolt and increases its tensile strength |
EP2594653A1 (en) | 2011-11-18 | 2013-05-22 | KAMAX Holding GmbH & Co. KG | Ultra high strength screw having a high yield ratio |
DE102011055497A1 (en) | 2011-11-18 | 2013-05-23 | Kamax Holding Gmbh & Co. Kg | Ultra-high-strength screw with high yield ratio |
US9145910B2 (en) | 2011-11-18 | 2015-09-29 | Kamax Holding Gmbh & Co. Kg | Ultra high strength screw having a high yield ratio |
Also Published As
Publication number | Publication date |
---|---|
FI48204C (en) | 1974-07-10 |
SE326045B (en) | 1970-07-13 |
FI48204B (en) | 1974-04-01 |
GB1163640A (en) | 1969-09-10 |
US3528088A (en) | 1970-09-08 |
FR1551693A (en) | 1968-12-27 |
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