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acid pickling steels

acid pickling steels

Outside diameter:10.3mm-3500mm

Wall Thickness:1mm-60mm

Application:acid pickling steels we supplied are used for mechanical industry,pipeline,thermal equipment,petroleum drilling,chemical industry,agricultural irrigation and urban construction.


Email: [email protected]

Product details:

Pickling (metal) - Wikipedia

Because of its high reactance to treatable steels, acid concentrations and solution temperatures must be kept under control to assure desired pickling rates. Waste products [ edit ] Pickling sludge is the waste product from pickling, and includes acidic rinse waters, iron chlorides, and metallic salts and waste acid…Smooth Clean Surface · Process · Disadvantages · Alternatives

Pickling and Passivating Carbon Steels - acidpickling

Pickling solutions normally consist of Hydrochloric acid with an inhibitor and water. The final step in most pickling jobs is the application of a rust inhibitor. Carbon steel cleaning and pickling can also be used as a pre-treatment step prior to painting.

Pickling Steel | American Galvanizer's Association

Feb 02, 2015· What is pickling steel? And, why is it important to galvanizing? ... Acid pickling removes the iron oxides or scales from the steel’s surface to expose a bare area and permit a galvanized coating to form upon immersion in a molten zinc bath. Pickling Mechanism.Location: 6881 South Holly Circle, Suite 108, Centennial, 80112, Colorado[PDF]

Steel Pickling: A Profile - US EPA

acid regeneration in the U.S., including two independently operated plants and eight process lines operating in conjunction with steel pickling facilities. 2 Emissions from

Pickling and Passivating Stainless Steels - acidpickling

Pickling and Passivating Stainless Steels Before (2 x 4.4 tonne Duplex gas pipeline manifolds) After: (Mission critical components - material integrity carefully restored for a …

EP0188975B2 - Process for the acid pickling of steels, in ...

EP0188975B2 - Process for the acid pickling of steels, in particular stainless steels - Google Patents Process for the acid pickling of steels, in particular stainless steels Download PDF[PDF]

Pickling and Passivating Stainless Steel

It is not an effective acid for pickling stainless steels. There is a range of pickling methods that can be used on stainless steel fabrications, buildings components and architectural metalwork. The most important constituents ... PICKLING AND PASSIVATING STAINLESS STEEL), ...[PDF]


acids, mixtures of the two acid types are used for pickling stainless steels—the most frequently used solution being a combination of nitric and hydrofluoric acids.

Steel Pickling and Processing Additives - C T I Crown ...

Steel Pickling and Processing Additives. Hydrochloric Acid Pickling Inhibitors; ... Highly specialized chemical additive for use in the acid pickling of stainless steel alloys. ... Drill-Shield™ effectively protects carbon and stainless steels against damaging acid corrosion, even at very low concentrations.

What is "Pickling" of Steel? - Finishing

Pickling is basically a surface phenomena which should not have too much effect on the underlying steel, with one exception that I can think of: Pickling, especially cathodic pickling, will introduce lots of hydrogen, and can cause hydrogen embrittlement of high strength steels -- …

Pickling and Passivation - Australian Stainless Steel ...

Passivation is the treatment of the surface of stainless steels, often with acid solutions (or pastes), to remove contaminants and promote the formation of the passive film on a freshly created surface (e.g. through grinding, machining or mechanical damage).[PDF]

Pickling and Passivation - Nickel Institute

Both pickling and passivation are chemical treatments applied to the ... passive film. Surfaces must be free of grease and dirt before using these acid treatments. Stainless steels resist corrosion best if they are clean and smooth. Clean means being free of contaminants on ... Pickling - …[PDF]

1.0 What is Steel Pickling - MNSi Telecom

ACID PICKLING AND RECOVERY" ... 1.0 WHAT IS STEEL PICKLING? 1.1 The History 1.1.1 Lemon Juice and Vinegar Acid has been used to clean metals for centuries, both in the home and in industry. In the home, weak, safe acids such as vinegar and lemon juice are often used to clean[PDF]

Pickling of stainless steels in the mixture of HNO3 + …

Pickling of stainless steels in a mixture of HNO3 + HF and the use of alkaline potassium permanganate During the hot rolling and annealing of alloyed stainless steels and acid-proof steels an

US5154774A - Process for acid pickling of stainless steel ...

The acid pickling of stainless steels is usually performed using fluonitric baths, in which the disadvantage of using nitric acid is that it leads to the formation of nitrous vapours which pollute the atmosphere and soluble nitrates which pollute the liquid effluent.

Pickling steels to remove rust and scale

Sheet steel processed by acid-pickling will oxidize (rust) rapidly when exposed to moist atmospheric conditions. To prevent this, ... For alloy steels, uninhibited acid solutions are preferred because a more energetic chemical action is required to remove the oxides.

Stainless Mixed Acid Pickling (Nitric/HF) - Steel and ...

eng-tips› …› Steel and Stainless engineering ForumSep 18, 2008· In the first instance with plain 304, the steel structure, except the weld, were still passified from the pickling process. The mixed acid thus attacked the oxidation in the vacinity of the weld, but the general steel surface was only mnimally attacked due to the passivating oxide layer.

Pickling and Passivation in Stainless Steels. | LinkedIn

Pickling and Passivation in Stainless Steels. Published on March 29, 2017; ... (nitric acid) and hydrofluoric acid. Pickling remove scale and clean the parts before the passivation process takes ...[PDF]

Chemical Surface Treatment of Stainless Steel - …

“normal” 4301 and 4401 grade steels should be pickled in a milder acid with a lower content of HF. Instead of HF, some pickles con ... tion process instead of a pickling. In particular citric acid-phosphoric acid is ... Chemical Surface Treatment of Stainless Steel …[PDF]

Steel Pickling in Challenging Conditions - Theseus

Steel Pickling in Challenging Conditions Helsinki Metropolia University of Applied Sciences ... acid pickling could be studied further to provide a more optimized process guide. ... also cause hydrogen embrittlement in high-strength steels with hardness over 33 HRC. [3, 69; 1, 111-118]

Pickling paste Danger - The Dangers of Pickling Paste ...

The Dangers of Pickling Paste. ... The hydrofluoric acid that is contained within the pickling solution is in a diluted state. However, this does not prevent the acid from causing substantial damage. ... Electrochemical cleaning is deemed as a much better and safer alternative to pickling. It allows the stainless steels to achieve perfect ...

steel pipe

Shanghai KATALOR Enterprises Co., Ltd is a steel pipe manufacturing factory ,which is specialized in manufacturing seamless steel pipe,SSAW steel pipe,LSAW steel pipe,ERW steel pipe,stainless steel pipe,acid pickling steels,etc.
we own dozens of advanced production lines and advanced production technology and high quality professional management talents to ensure excellent product quality.

Our aim is to provide you with high quality products and good after-sales service. Welcome to visit us and expecting to work with you and create a brilliant future together!

If you can't find what you wanted ,Please send Email to [email protected] for getting the products information,we will reply you ASAP

Welcome to visit us and expecting to work with you and create a brilliant future together!

Packaging & Delivery of acid pickling steels

Packaging Details: Standard export packing or according to customer's request.
Surface Treatment: 1) Bared
2) Galvanized
3) Oiled
4) PE,3PE, FBE, corrosion resistant coating, Anti corrosion coating.
Test: Manufacturer Test Certificate.
Under Third Party Inspection with Excise Gate Pass to avail Modvat benefit.
Additional service: 1) Plain; 2) Beveled; 3) Thread with Coupling or cap; 4) Chamfer; 5) Groove; 6) Screw; 7)Puch holes as per customer's request ,etc.


About our steel pipe:


1) Grade: A283 C, A36, S235JR/J0/J2, S275JR/J0/J2,SS400,ST37-2,A516 Gr.70,A285 Gr.C,16Mo3,P235GH,A387,SM490A,ST52-3,S355,Corten A/B,A588,SPA,A,AH36,EH36,AH32,API 5L

2) Standard: ASTM, JIS, DIN, EN, API, BS AS/NZ

3)Category: seamless steel pipe,SSAW steel pipe,LSAW steel pipe,ERW steel pipe,stainless steel pipe,etc

4) OD: 10mm-3500mm

5) Wall thickness: 1mm-60mm

6) Usage: Conveying fluid and powdery solid, exchanging heat energy, manufacturing machinery parts and containers, building frame, pillar and mechanical support,etc.


1) Delivery term: FOB,CNF CIF

2) Delivery lead time: 20 days after receive T/T deposit.

3) Payment term: .30% as deposit by T/T, balance will be paid by T/T against the copy of B/L.

4) Quality assurance: Test Certificate is supplied with shipment, third Party Inspection is acceptable.

If you can't find what you wanted ,Please send Email to [email protected] for getting the products information,we will reply you ASAP

Our Advantage about acid pickling steels:

Our service is the "one-stop" work style. We have our processing factory and the pre-treatment factory, can make the customers enjoy cutting,welding,drilling holes,ball blasting, derusting, painting by the lowest cost price.

Good quality and fast delivery time is the base of our work, this is not enough. Our every sales are trying their best to solve every problem from both you and your end user.we are making every client feel our company is their home in china.


If you have any questions or need support, please fill in the form below, we will get back to you as soon as possible!!

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