EP4063535A3 - Method for pretreatment of steel and iron in a treatment bath - Google Patents

Method for pretreatment of steel and iron in a treatment bath Download PDF

Info

Publication number
EP4063535A3
EP4063535A3 EP22164138.4A EP22164138A EP4063535A3 EP 4063535 A3 EP4063535 A3 EP 4063535A3 EP 22164138 A EP22164138 A EP 22164138A EP 4063535 A3 EP4063535 A3 EP 4063535A3
Authority
EP
European Patent Office
Prior art keywords
iron
steel
pretreatment
treatment bath
treatment
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
EP22164138.4A
Other languages
German (de)
French (fr)
Other versions
EP4063535A2 (en
Inventor
Robert Ecker
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE102021004167.4A external-priority patent/DE102021004167A1/en
Application filed by Individual filed Critical Individual
Publication of EP4063535A2 publication Critical patent/EP4063535A2/en
Publication of EP4063535A3 publication Critical patent/EP4063535A3/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C23C22/22—Orthophosphates containing alkaline earth metal cations
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C23C22/77—Controlling or regulating of the coating process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/82—After-treatment

Abstract

Verfahren für die Vorbehandlung von Stahl und Eisen in einem Behandlungsbad mit regelmäßiger Titration zur Sicherstellung bestimmter Parameter und Einsatz verbesserter chemischer Materialien für eine wirkungsvolle und optimale Vorbehandlung.Process for the pre-treatment of steel and iron in a treatment bath, with regular titration to ensure certain parameters and use of improved chemical materials for an effective and optimal pre-treatment.

EP22164138.4A 2021-03-25 2022-03-24 Method for pretreatment of steel and iron in a treatment bath Pending EP4063535A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021001551 2021-03-25
DE102021004167.4A DE102021004167A1 (en) 2021-03-25 2021-08-13 Process for pretreating steel and iron in a treatment bath

Publications (2)

Publication Number Publication Date
EP4063535A2 EP4063535A2 (en) 2022-09-28
EP4063535A3 true EP4063535A3 (en) 2022-11-30

Family

ID=80933537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22164138.4A Pending EP4063535A3 (en) 2021-03-25 2022-03-24 Method for pretreatment of steel and iron in a treatment bath

Country Status (1)

Country Link
EP (1) EP4063535A3 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005023023A1 (en) * 2005-05-19 2006-11-23 Chemetall Gmbh Method for preparing metallic workpieces for cold forming
WO2015176696A2 (en) * 2014-05-23 2015-11-26 Robert Ecker Phosphating method and pickling and phosphating device for ferrous metals
DE102019002417A1 (en) * 2018-12-20 2020-06-25 IAP Industrial Acid Proofing Europe GmbH Method and device for phosphating components made of ferrous metal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109071372A (en) 2016-04-04 2018-12-21 罗地亚经营管理公司 Alkyl thiophosphoryl triamide and nim oil dicyandiamide solution for agricultural application

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005023023A1 (en) * 2005-05-19 2006-11-23 Chemetall Gmbh Method for preparing metallic workpieces for cold forming
WO2015176696A2 (en) * 2014-05-23 2015-11-26 Robert Ecker Phosphating method and pickling and phosphating device for ferrous metals
DE102019002417A1 (en) * 2018-12-20 2020-06-25 IAP Industrial Acid Proofing Europe GmbH Method and device for phosphating components made of ferrous metal

Also Published As

Publication number Publication date
EP4063535A2 (en) 2022-09-28

Similar Documents

Publication Publication Date Title
EP4206353A4 (en) High-grade non-oriented silicon steel and production method therefor
MX2017015571A (en) Process and facility for the treatment of livestock waste.
MX2015012015A (en) Method for preparing and treating a steel substrate.
AT509318B1 (en) separation
MX2021013782A (en) Zinc-coated steel for press hardening application and method of production.
EP4063535A3 (en) Method for pretreatment of steel and iron in a treatment bath
AU2018346562A1 (en) Method for biological treatment of nitrogen of effluents by nitritation
BR112015004358A2 (en) method for coating a metal substrate, pretreatment composition for treating a metal substrate, pretreated metal substrate and electrophoretically coated metal substrate
BR112015004364A8 (en) pretreatment composition, method for treating a metal substrate, method of coating a metal substrate, pretreated metal substrate and electrophoretically coated metal substrate
DE112021003543A5 (en) TREATMENT STATION, TREATMENT PLANT AND PROCESS FOR TREATMENT OF WORKPIECES
MX2020001747A (en) Two-step pretreatment system and method.
MX2018006061A (en) High strength hot-rolled steel sheet and method for producing same.
EP4219795A4 (en) Surface-treated steel sheet and production method therefor
WO2012091409A3 (en) Plating method and zinc plating process
TR200708916A1 (en) The use of chromium complexes in leather.
DE112021003553A5 (en) TREATMENT STATION, TREATMENT PLANT AND PROCESS FOR TREATMENT OF WORKPIECES
BR112015019200A2 (en) Method to Remove Iron from a Pretreatment Bath
MX2019004192A (en) Process and facility for treating produced water from an oil & gas field.
WO2020230072A3 (en) Method for reusing solid tanning scraps
CN105695980A (en) Steel wire surface treatment process
DE112021003529A5 (en) TREATMENT STATION, TREATMENT PLANT AND PROCESS FOR TREATMENT OF WORKPIECES
AT513568A3 (en) Tensile strength soft-sensor for positive-locking and stretch-bending machines
CN105714239A (en) Nitriding process for pin
MX2022006454A (en) Process for recycling waste from the treatment plants of industries that produce pigments, dyes, anilines and colour enhancers, and use of the treated sludge, sediment or petry sludge.
MX2022005577A (en) Methods and systems for producing skin grafts.

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

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

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: C23C 22/77 20060101ALI20221024BHEP

Ipc: C23C 22/82 20060101ALI20221024BHEP

Ipc: C23C 22/22 20060101AFI20221024BHEP

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230328

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR