Stainless steel pickling without nitric acid

Stainless steel pickling without nitric acid 27th May 2020 Mauro Rigamonti Simone Farneti Ronald Elemans Speaker introduction Who we are Mauro Rigamonti Technical service Transport & Metals industries 20 years of industry experience Simone Farneti Technical Service Equipment in Functional Coatings 20 years of industry experience Ronald Elemans Business Development Cleaners 15 years industry experience Stainless steel pickling without nitric acid May 29, 2020 Why this webinar? Our commitment to your success Your priorities Henkel’s contribution ▪ Restore corrosion resistance of stainless steel parts, machines & components ▪ Effective pickling technologies ▪ Minimize health, safety & environmental risks ▪ Nitric acid free pickling solutions ▪ Optimize cleaning, pretreatment & pickling processes ▪ Full process approach ▪ Consultancy & lab services ▪ Equipment ▪ Meet global OEM quality demands ▪ Henkel’s solution & manufacturing experience available worldwide to you and your suppliers Stainless steel pickling without nitric acid May 29, 2020 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless steel pickling without nitric acid May 29, 2020 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless steel pickling without nitric acid May 29, 2020 Introduction Ever increasing importance Compound annual growth rate of world stainless melt shop production (slab/ingot equivalent) Million metric tonnes (MT) 50.8Mt (2018) Compound annual growth: 5.84% Stainless steel use per sector – 2018 Electrical machinery 7.6% Motor vehicles and parts 8.9% Mechanical engineering 28.8% Metal products 37.6% MT 1950 Source: Stainless Steel in Figures 2019 Published by ISSF (International Stainless Steel Forum) Other transport 4.9% 2018 Construction 12.3% Source: Stainless Steel in Figures 2019 Published by ISSF (International Stainless Steel Forum) Stainless steel pickling without nitric acid May 29, 2020 Stainless steel Introduction What is stainless steel? ▪ Steel alloy with >10,5% chromium content by mass ▪ Protected by its natural chromium oxide layer ▪ Main groups ▪ Austenitic ▪ Ferritic ▪ Martensitic ▪ Duplex Stainless steel pickling without nitric acid May 29, 2020 Stainless steel Passivation layer Oxygen in air Chromium oxide layer (aka passivation layer) Stainless steel Chromium oxide layer Chromium oxide layer damaged Chromium oxide layer re-formed automatically Natural passivation of stainless steel under ideal circumstances Stainless steel pickling without nitric acid May 29, 2020 Stainless steel Some corrosion examples Weld discoloration Iron contamination Crevice corrosion Pitting Stress cracking corrosion Stainless steel pickling without nitric acid May 29, 2020 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless steel pickling without nitric acid May 29, 2020 10 BONDERITE C-CP Advantage: Efficiency Mixed acids (HNO3 + HF) vs BONDERITE C-CP Pickling efficiency by increasing amount of iron dissolved Stainless steel pickling without nitric acid May 29, 2020 21 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless steel pickling without nitric acid May 29, 2020 22 Application Industries Manufacturers ▪ ▪ ▪ ▪ ▪ Beer barrels Tanks & Pressure vessels Food processing equipment Sinks / washbasins Bars, wires, welded tubes Service providers ▪ Pickling jobbers Stainless steel pickling without nitric acid May 29, 2020 23 Application Our process approach Operational ▪ Degreasing ▪ Pickling process ▪ Rinse Non-Operational topics ▪ ▪ ▪ ▪ ▪ ▪ Health, Safety, Environment Chemistry disposal Downtime due to replenishment Heating Equipment Advise on possible line changes Value Calculation Stainless steel pickling without nitric acid May 29, 2020 24 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless steel pickling without nitric acid May 29, 2020 25 Process Line Management Equipment Optimization Remote Connections Degreasing Degreasing Rinse Rinse Rinse mS mS microS Pickling Steps Rinse Rinse Rinse DI Rinse mS mS microS microS Pickling Line mS + °C mS + °C Controller On-Line Parameters Data Acquisition Pickling Pickling Pickling On-Line Titrators Acids Titrators Pickling Steps Metals Titrators Dosing Station Concentration Concentration Concentration Acids + Metals Acids + Metals Acids + Metals On-Line Titrations Stainless steel pickling without nitric acid May 29, 2020 26 ON-Line Management Remote connection and Data Acquisition System Stakeholders Customer Line with Automatic Management Data Acquisition System STAKEHOLDERS Remote Connection °C Industry 4.0 S Plant Manager S mV S Local data acquisition system Line Manager Line Operators Unidirectional Remote data acquisition system Maintenance Department S Controlling Bidirectional mS mS Quality Department Remote data acquisition system R&D Henkel E-Shop Stainless steel pickling without nitric acid Purchasing May 29, 2020 27 Recap What we discussed today Stainless steel intro ▪ Growth market ▪ Corrosion resistance ▪ Corrosion hazards Mixed acid pickling ▪ Advantages ▪ Disadvantages Henkel’s solution ▪ Nitric acid free pickling ▪ Advantages ▪ Operational ▪ HSE ▪ Financial ▪ Applications ▪ Equipment Stainless steel pickling without nitric acid May 29, 2020 28 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless steel pickling without nitric acid May 29, 2020 29 Stainless steel pickling without nitric acid May 29, 2020 30 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless steel pickling without nitric acid May 29, 2020 31 Regional contacts When support needed SUPPORT Technical Service Functional Coatings (Transport & Metals Industries) mauro.rigamonti@henkel.com Business Development Management Cleaners W-E ronald.elemans@henkel.com Technical Service Europe – Equipment Group simone.farneti@henkel.com Stainless steel pickling without nitric acid May 29, 2020 32 Henkel Flix upcoming webinars Series episodes Episode Episode Multi-Metal Paint Pretreatment - Reasons to use New Generation Conversion Coatings Remanufacturing Cleaning Wednesday June 03, 2020 11 am (GMT+1) (45 Min.) Wednesday June 10, 2020 11 am (GMT+1) (45 Min.) Webinar registration link Webinar registration link Stainless steel pickling without nitric acid May 29, 2020 33 Thank you! Images External sources Slide ▪ International Stainless Steel Forum Slide ▪ https://amarineblog.com/2017/10/05/why-stainless-steel-rust-corrosion-part-2/ ▪ https://www.offshore-mag.com/business-briefs/equipment-engineering/article/16761447/pittingand-crevice-corrosion-of-offshore-stainless-steel-tubing ▪ https://www.sciencedirect.com/topics/engineering/stress-corrosion-crack Slide 12 ▪ Twitter/Robert Hernando + https://www.dailymail.co.uk/news/article-2950648/Toxic-orange-cloudcreated-nitric-acid-explosion-chemical-plant-spreads-FIVE-Spanish-towns-forcing-authorities-orderstay-inside.html Slide 23 ▪ Entinox Stainless steel pickling without nitric acid May 29, 2020 35 ... suppliers Stainless steel pickling without nitric acid May 29, 2020 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless. .. Stainless steel pickling without nitric acid May 29, 2020 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless steel. .. corrosion Stainless steel pickling without nitric acid May 29, 2020 Agenda Introduction Mixed acid pickling Pickling without nitric acid Applications Equipment Questions & Answers Contact details Stainless