DE1184175B - Clad steel sheets and processes for their manufacture - Google Patents

Clad steel sheets and processes for their manufacture

Info

Publication number
DE1184175B
DE1184175B DER16209A DER0016209A DE1184175B DE 1184175 B DE1184175 B DE 1184175B DE R16209 A DER16209 A DE R16209A DE R0016209 A DER0016209 A DE R0016209A DE 1184175 B DE1184175 B DE 1184175B
Authority
DE
Germany
Prior art keywords
titanium
weld
steel
roll
clad
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
Application number
DER16209A
Other languages
German (de)
Inventor
Dr-Ing Wilhelm Raedeker
Dipl-Ing Wilhelm Janssen
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.)
Phoenix Rheinrohr AG
Original Assignee
Phoenix Rheinrohr 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 Phoenix Rheinrohr AG filed Critical Phoenix Rheinrohr AG
Priority to DER16209A priority Critical patent/DE1184175B/en
Publication of DE1184175B publication Critical patent/DE1184175B/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium

Landscapes

  • Pressure Welding/Diffusion-Bonding (AREA)

Description

Plattierte Stahlbleche und Verfahren zu ihrer Herstellung Die Erfindung bezieht sich auf plattierte Bleche, z. B. für Apparate, Röhren und sonstige Gegenstände, die dem Angriff von Seewasser, 10- bis 15o/oiger Essigsäure, Königswasser, gesättigtem Chlorwasser, Milchsäure, rauchender Salpetersäure, Ammoniak, Wasserstoffsuperoxyd, Natronlauge und ähnlichen Angriffsmitteln ausgesetzt sind und dagegen hohe Beständigkeit aufweisen sollen. Gleichzeitig sollen bei diesen Erzeugnissen vorteilhafte Eigenschaften des aus unlegiertem oder legiertem Stahl bestehenden Grundwerkstoffes ausnutzbar sein. Solche walzplattierten Bleche bieten den genannten Angriffsmitteln hervorragenden Widerstand, und sie unterscheiden sich auch preislich sehr vorteilhaft von reinem Titan.Clad steel sheets and methods of making them. The invention refers to clad sheets, e.g. B. for apparatus, pipes and other objects, those which are susceptible to attack by seawater, 10 to 150 per cent acetic acid, aqua regia, saturated Chlorine water, lactic acid, fuming nitric acid, ammonia, hydrogen peroxide, Sodium hydroxide and similar attack agents are exposed and, on the other hand, high resistance should have. At the same time, these products should have advantageous properties of the base material made of unalloyed or alloyed steel can be used be. Such roll-clad sheets offer the aforementioned means of attack outstanding Resistance, and they also differ in price very advantageously from pure Titanium.

Gegenstand der Erfindung sind mit Titan einseitig oder doppelseitig walzplattierte Bleche aus Stahl für die obengenannten Zwecke, wobei erfindungsgemäß zwischen der Titanauflage und dem Stahl eine Zwischenschicht aus einem Werkstoff angeordnet ist, welcher den Schmelzpunkt des Eisen-Titan-Eutektikums heraufsetzt. Hierfür eignen sich insbesondere Chrom oder hochchromhaltige Legierungen. Die Zwischenschicht kann in bekannter Weise, z. B. galvanisch oder durch Einlegen von Folien oder durch Vorplattierung, eingebracht werden.The subject matter of the invention is one-sided or double-sided with titanium roll-clad sheets of steel for the above-mentioned purposes, according to the invention an intermediate layer made of a material between the titanium layer and the steel is arranged, which raises the melting point of the iron-titanium eutectic. Chromium or alloys with a high chromium content are particularly suitable for this. The intermediate layer can in a known manner, for. B. galvanically or by inserting foils or by Pre-plating, are introduced.

Weiterhin gehört zum Gegenstand der Erfindung die Herstellung der obengenannten walzplattierten Bleche. Dabei wird das aus einer Stahlschicht sowie ein- oder beidseitig aufgelegter Zwischenschicht und einer Titanschicht bestehende Plattierpaket in einem geschlossenen Kasten erwärmt und dann das Walzschweißplattieren bei Temperaturen zwischen etwa 1250 und 1050° C begonnen bzw. durchgeführt. Die Anwesenheit von freiem Sauerstoff und Stickstoff ist bei der Erwärmung des Plattierpaketes unerwünscht und kann mit bekannten Mitteln verhindert werden, z. B. mittels Durchleitens von Schutzgas, vorzugsweise von Edelgas oder von Wasserstoff oder Gemischen, durch den Plattierkasten.The invention also relates to the production of the roll clad sheets mentioned above. This is made up of a steel layer as well one or both sides applied intermediate layer and a titanium layer Clad pack heated in a closed box and then roll weld cladding started or carried out at temperatures between about 1250 and 1050 ° C. the Presence of free oxygen and nitrogen is in the heating of the plating package undesirable and can be prevented by known means, e.g. B. by means of passing through protective gas, preferably noble gas or hydrogen or mixtures the plating box.

Es wird eine besonders gute Haftfestigkeit von walzschweißplattierten Titanschichten auf Stählen erhalten.There will be a particularly good bond strength of weld clad Titanium layers preserved on steels.

Claims (2)

Patentansprüche: 1. Walzschweißplattierte Bleche für Apparate, Röhren und andere Gegenstände, die gegen den Angriff von Seewasser, 10- bis 15o/oiger Essigsäure, Königswasser, gesättigtem Chlorwasser, Milchsäure, rauchender Salpetersäure, Ammoniak, Wasserstoffsuperoxyd, Natronlauge und ähnlichen Angriffsmitteln beständig sein sollen, dadurch gekennzeichnet, daß sie aus einem unlegierten oder legierten Stahl und einer walzschweißplattierten ein- oder doppelseitigen Auflage aus Titan und einer zwischen Titan und Stahl angeordneten Schicht aus einem Werkstoff bestehen, der den Schmelzpunkt des Eisen-Titan-Eutektikums erhöht, vorzugsweise aus Chrom oder hochchromhaltigen Legierungen. Claims: 1. Roll-weld clad sheets for apparatus, tubes and other objects that protect against attack by seawater, 10 to 15% acetic acid, Aqua regia, saturated chlorine water, lactic acid, fuming nitric acid, ammonia, Hydrogen peroxide, caustic soda and similar attack agents should be resistant, characterized in that they are made of an unalloyed or alloyed steel and a roll-weld clad single or double-sided support made of titanium and one between Titanium and steel arranged layer are made of a material that has the melting point of the iron-titanium eutectic increased, preferably made of chromium or high chromium content Alloys. 2. Verfahren zur Herstellung von Blechen nach Anspruch 1, dadurch gekennzeichnet, daß das aus Stahl, ein- oder zweiseitiger Auflage aus Titan und Zwischenschichten bestehende Plattierpaket bei Temperaturen zwischen etwa 1250 und 1050° C walzschweißplattiert wird. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 701818, 904 490, 912 773; deutsche Auslegeschriften Nr. 1064 314, 1083099. 2. A process for the production of sheet metal according to claim 1, characterized in that the plating package consisting of steel, one or two-sided support made of titanium and intermediate layers is weld-weld clad at temperatures between about 1250 and 1050 ° C. Considered publications: German Patent Nos. 701818, 904 490, 912 773; German Auslegeschriften No. 1064 314, 1083099.
DER16209A 1955-03-15 1955-03-15 Clad steel sheets and processes for their manufacture Pending DE1184175B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER16209A DE1184175B (en) 1955-03-15 1955-03-15 Clad steel sheets and processes for their manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER16209A DE1184175B (en) 1955-03-15 1955-03-15 Clad steel sheets and processes for their manufacture

Publications (1)

Publication Number Publication Date
DE1184175B true DE1184175B (en) 1964-12-23

Family

ID=7399683

Family Applications (1)

Application Number Title Priority Date Filing Date
DER16209A Pending DE1184175B (en) 1955-03-15 1955-03-15 Clad steel sheets and processes for their manufacture

Country Status (1)

Country Link
DE (1) DE1184175B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060083A1 (en) * 1981-03-05 1982-09-15 Asahi Kasei Kogyo Kabushiki Kaisha Titanium clad steel plate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE701818C (en) * 1938-06-14 1941-01-24 Edelstahlwerke Akt Ges Deutsch Use of corrosion-resistant composite materials
DE904490C (en) * 1952-03-02 1954-02-18 Degussa Metallic moldings
DE912773C (en) * 1933-11-07 1954-06-03 Mond Nickel Co Ltd Method of making a multiple metal
DE1064314B (en) * 1954-08-04 1959-08-27 Continental Titanium Metals Co Process for plating titanium and titanium alloys onto a base material made of iron or steel
DE1083099B (en) * 1954-08-04 1960-06-09 Continental Titanium Metals Co Process for plating titanium and titanium alloys onto a base material made of iron or steel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE912773C (en) * 1933-11-07 1954-06-03 Mond Nickel Co Ltd Method of making a multiple metal
DE701818C (en) * 1938-06-14 1941-01-24 Edelstahlwerke Akt Ges Deutsch Use of corrosion-resistant composite materials
DE904490C (en) * 1952-03-02 1954-02-18 Degussa Metallic moldings
DE1064314B (en) * 1954-08-04 1959-08-27 Continental Titanium Metals Co Process for plating titanium and titanium alloys onto a base material made of iron or steel
DE1083099B (en) * 1954-08-04 1960-06-09 Continental Titanium Metals Co Process for plating titanium and titanium alloys onto a base material made of iron or steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060083A1 (en) * 1981-03-05 1982-09-15 Asahi Kasei Kogyo Kabushiki Kaisha Titanium clad steel plate

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