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IT1243951B - Multistage process for the pickling of a stainless steel having martensitic structure - Google Patents

Multistage process for the pickling of a stainless steel having martensitic structure

Info

Publication number
IT1243951B
IT1243951B IT02224890A IT2224890A IT1243951B IT 1243951 B IT1243951 B IT 1243951B IT 02224890 A IT02224890 A IT 02224890A IT 2224890 A IT2224890 A IT 2224890A IT 1243951 B IT1243951 B IT 1243951B
Authority
IT
Italy
Prior art keywords
pickling
stainless steel
martensitic structure
multistage process
steel
Prior art date
Application number
IT02224890A
Other languages
Italian (it)
Other versions
IT9022248A1 (en
IT9022248A0 (en
Inventor
Antonino Condo'
Walter Visentin
Original Assignee
Ausimont Spa
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 Ausimont Spa filed Critical Ausimont Spa
Priority to IT02224890A priority Critical patent/IT1243951B/en
Publication of IT9022248A0 publication Critical patent/IT9022248A0/en
Publication of IT9022248A1 publication Critical patent/IT9022248A1/en
Application granted granted Critical
Publication of IT1243951B publication Critical patent/IT1243951B/en

Links

Landscapes

  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

Multistage process for the pickling of a stainless steel having martensitic structure, characterized in that in a first stage the steel is treated with an aqueous solution containing hydrofluoric acid and hydrochloric acid, and that in a second stage the steel is treated with a second aqueous solution containing hydrogen peroxide and hydrofluoric acid.
IT02224890A 1990-11-29 1990-11-29 Multistage process for the pickling of a stainless steel having martensitic structure IT1243951B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT02224890A IT1243951B (en) 1990-11-29 1990-11-29 Multistage process for the pickling of a stainless steel having martensitic structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02224890A IT1243951B (en) 1990-11-29 1990-11-29 Multistage process for the pickling of a stainless steel having martensitic structure

Publications (3)

Publication Number Publication Date
IT9022248A0 IT9022248A0 (en) 1990-11-29
IT9022248A1 IT9022248A1 (en) 1992-05-30
IT1243951B true IT1243951B (en) 1994-06-28

Family

ID=11193643

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02224890A IT1243951B (en) 1990-11-29 1990-11-29 Multistage process for the pickling of a stainless steel having martensitic structure

Country Status (1)

Country Link
IT (1) IT1243951B (en)

Also Published As

Publication number Publication date
IT9022248A1 (en) 1992-05-30
IT9022248A0 (en) 1990-11-29

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941129