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Finishing Chemicals & Pickling Products

Midway Metals is a distributor for Avesta Finishing Chemicals in Australia.

All of the finishing chemicals or pickling products in the Avesta range are backed by extensive research and development and rigourous quality control. Easy to use, they give stainless steel surfaces the lustrous look you know and love.

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Our pickling pastes and gels are specially intended for brush pickling of weld seams and smaller surfaces. They offer a perfect paste consistency that gives good adhesion to difficult surfaces and reduces the risk of splashing.

BlueOne™ 130

Avesta BlueOne™ Pickling Paste 130 is universally, suitable for brush pickling of welds and smaller surfaces on all stainless steel grades.

Features

  • Restores damaged stainless steel surfaces such as weld seams, by removing weld oxides, the underlying chromium-depleted layer and other defects that may cause local corrosion.
  • Improved pickling result, offers a brighter surface with less discolouration than classic products.
  • Unique and covered by a world patent.
  • Higher yield, decreased consumption, thanks to the visible blue colour and its free-flowing consistency which facilitates application. The paste is easy to apply and highly visible.

Download Brochure

Gel 122

This gel is universal and specifically intended for standard brush pickling of weld seams and smaller surfaces of all stainless steel grades.

Features

  • Restores damaged stainless steel surfaces such as weld seams, by removing weld oxides, the underlying chromium-depleted layer and other defects that may cause local corrosion.
  • Improved pickling result, offers a brighter surface with less discolouration than classic products.
  • The transparent gel consistency gives good adhesion to the stainless steel surface.
  • Can be used and stored in warmer climates (the gel is heat-stable up to +45 °C).

Download Brochure

RedOne™ 140

Avesta RedOne™ Pickling Paste 140 is intended for powerful brush pickling of welds and smaller surfaces of high-alloy steel grades in tough applications.

For non-heavy-duty applications we suggest our low fuming Avesta BlueOne™ Pickling Paste 130 in order to improve the environmental impact and safety when pickling.

Features

  • Restores damaged stainless steel surfaces such as weld seams, by removing weld oxides, the underlying chromium-depleted layer and other defects that may cause local corrosion.
  • Unique and patented.
  • Higher yield, decreased consumption, thanks to the visible red colour and its free-flowing consistency which facilitates application. The paste is easy to apply and highly visible.

Download Brochure

Our pickling spray can be used on most stainless steel grades and is suitable for pickling larger surfaces. They have a thixotropic consistency, which makes it stick to the surface and hence, facilitates the application, even in difficult positions.

Spray 240

Avesta RedOne™ Pickling Spray 240 is universal and suitable for spray pickling larger surfaces of all stainless steel grades. High alloyed steels and duplex steels may need more than one treatment.

Features

  • Restores stainless steel surfaces that have been damaged during fabrication operations such as welding, forming, cutting and blasting. It removes weld oxides, the underlying chromium-depleted layer and other defects that may cause local corrosion.
  • Improved pickling result, offers a brighter surface with less discolouration than classic products.
  • Higher yield, decreased consumption, thanks to the visible red colour and its free-flowing consistency which facilitates application.

Download Brochure

Our pickling bath fluid is recommended for immersion pickling of small objects and for pickling surfaces that are time-consuming to brush or spray pickle. It can also be used for circulation cleaning of pipe systems.

Pickling Bath 302

The bath fluid is recommended for immersion pickling of small objects and for pickling surfaces that are time-consuming to brush or spray pickle. It can also be used for circulation pickling of pipe systems.

Features

  • Restores stainless steel surfaces that have been damaged during fabrication operations such as welding, forming, cutting and blasting. It removes weld oxides, the underlying chromiumdepleted layer and other defects that may cause local corrosion.
  • Working life; the bath fluid is consumed during usage and the effective working life of the bath fluid is determined by the amount of acids and dissolved metals. The bath fluid should hence be analyzed regularly, and new acid should be added when needed in order to obtain an optimal pickling result. We may assist with this analysis service.

Download Brochure

Superficial rust, grease and lime deposits can occasionally appear on any stainless steel surface. Cleaning with our cleaning agents eliminates these spots with ease, restoring the surface and returning your stainless steel to its original finish.

Avesta Cleaner 401

Avesta Cleaner 401 is intended for a wide range of industrial cleaning applications. It offers a good general cleaning result on stainless steel surfaces.

Features

  • Restores and brightens stainless steel surfaces that have been contaminated during fabrication or usage. It removes surface rust, water staining and lime deposits and organic contamination such as oil and grease.
  • Pre-cleans before pickling. It removes organic contaminants such as grease, oil, etc. which will inhibit pickling.
  • Removes atmospheric staining caused by sea water, “tea-staining”, rain water, “water scale” and road salt.

Download Brochure

Our stainless steel passivating agents improve the pickling result and diminish the risk of discoloured surfaces, after pickling. The passivation layer on stainless steel surfaces is restored at the same time.

Avesta FinishOne Passivator 630

Avesta FinishOne Passivator 630 is intended for a wide range of industrial passivating applications. It offers a good general passivating result on stainless steel surfaces.

Features

  • Restores the passivation layer on stainless steel surfaces that have been damaged during fabrication such as grinding, brushing, blasting etc or usage.
  • Improves the result after pickling by speeding up the passivation process.
  • Diminishes the risk of discoloured surfaces caused by flash clouds or free iron (smut) when used wet-on-wet.
  • Reduces the formation of toxic nitric fumes during rinsing after pickling.
  • Prevents water staining caused by poor rinse water.
  • Creates no hazardous waste and contains no nitric acid.
  • Is easy to handle and classified as non-dangerous goods.

Download Brochure

We also stock auxilliary products for safe handling and detection of Molybdenum which increases corrosion resistance.

Avesta Neutralizer 502

Avesta Neutralizer 502 is a simple way to neutralize acidic wastewater and precipitate heavy metals.

Features

  • Gives rapid precipitation of iron, chromium and nickel in the form of a sludge which can be sent for deposition.
  • Adjusts the waste water to a pH-value of 7–10 before discharge.
  • Is concentrated; one part of Avesta Neutralizer 502 treats one.

Download Brochure

Avetsa Molydrop 960

With this simple chemical test you can check if your stock piece or scrap of stainless steel contains molybdenum. This makes it possible to differ the steel grades 304 and 316. The test will identify the grade within 5 – 10 minutes through a colour change.

Features

  • Can be used on stainless steel 300 series material to test presence of molybdenum and thereby diffentiate grade 304 (no molybdenum) from 316 (with molybdenum).

Download Brochure

Our pickling pastes and gels are specially intended for brush pickling of weld seams and smaller surfaces. They offer a perfect paste consistency that gives good adhesion to difficult surfaces and reduces the risk of splashing.

BlueOne™ 130

Avesta BlueOne™ Pickling Paste 130 is universally, suitable for brush pickling of welds and smaller surfaces on all stainless steel grades.

Features

  • Restores damaged stainless steel surfaces such as weld seams, by removing weld oxides, the underlying chromium-depleted layer and other defects that may cause local corrosion.
  • Improved pickling result, offers a brighter surface with less discolouration than classic products.
  • Unique and covered by a world patent.
  • Higher yield, decreased consumption, thanks to the visible blue colour and its free-flowing consistency which facilitates application. The paste is easy to apply and highly visible.

Read More

Gel 122

This gel is universal and specifically intended for standard brush pickling of weld seams and smaller surfaces of all stainless steel grades.

Features

  • Restores damaged stainless steel surfaces such as weld seams, by removing weld oxides, the underlying chromium-depleted layer and other defects that may cause local corrosion.
  • Improved pickling result, offers a brighter surface with less discolouration than classic products.
  • The transparent gel consistency gives good adhesion to the stainless steel surface.
  • Can be used and stored in warmer climates (the gel is heat-stable up to +45 °C).

Read More

RedOne™ 140

Avesta RedOne™ Pickling Paste 140 is intended for powerful brush pickling of welds and smaller surfaces of high-alloy steel grades in tough applications.

For non-heavy-duty applications we suggest our low fuming Avesta BlueOne™ Pickling Paste 130 in order to improve the environmental impact and safety when pickling.

Features

  • Restores damaged stainless steel surfaces such as weld seams, by removing weld oxides, the underlying chromium-depleted layer and other defects that may cause local corrosion.
  • Unique and patented.
  • Higher yield, decreased consumption, thanks to the visible red colour and its free-flowing consistency which facilitates application. The paste is easy to apply and highly visible.

Read More

Our pickling spray can be used on most stainless steel grades and is suitable for pickling larger surfaces. They have a thixotropic consistency, which makes it stick to the surface and hence, facilitates the application, even in difficult positions.

Spray 240

Avesta RedOne™ Pickling Spray 240 is universal and suitable for spray pickling larger surfaces of all stainless steel grades. High alloyed steels and duplex steels may need more than one treatment.

Features

  • Restores stainless steel surfaces that have been damaged during fabrication operations such as welding, forming, cutting and blasting. It removes weld oxides, the underlying chromium-depleted layer and other defects that may cause local corrosion.
  • Improved pickling result, offers a brighter surface with less discolouration than classic products.
  • Higher yield, decreased consumption, thanks to the visible red colour and its free-flowing consistency which facilitates application.

Read More

Our pickling bath fluid is recommended for immersion pickling of small objects and for pickling surfaces that are time-consuming to brush or spray pickle. It can also be used for circulation cleaning of pipe systems.

Pickling Bath 302

The bath fluid is recommended for immersion pickling of small objects and for pickling surfaces that are time-consuming to brush or spray pickle. It can also be used for circulation pickling of pipe systems.

Features

  • Restores stainless steel surfaces that have been damaged during fabrication operations such as welding, forming, cutting and blasting. It removes weld oxides, the underlying chromiumdepleted layer and other defects that may cause local corrosion.
  • Working life; the bath fluid is consumed during usage and the effective working life of the bath fluid is determined by the amount of acids and dissolved metals. The bath fluid should hence be analyzed regularly, and new acid should be added when needed in order to obtain an optimal pickling result. We may assist with this analysis service.

Read More

Superficial rust, grease and lime deposits can occasionally appear on any stainless steel surface. Cleaning with our cleaning agents eliminates these spots with ease, restoring the surface and returning your stainless steel to its original finish.

Avesta Cleaner 401

Avesta Cleaner 401 is intended for a wide range of industrial cleaning applications. It offers a good general cleaning result on stainless steel surfaces.

Features

  • Restores and brightens stainless steel surfaces that have been contaminated during fabrication or usage. It removes surface rust, water staining and lime deposits and organic contamination such as oil and grease.
  • Pre-cleans before pickling. It removes organic contaminants such as grease, oil, etc. which will inhibit pickling.
  • Removes atmospheric staining caused by sea water, “tea-staining”, rain water, “water scale” and road salt.

Read More

Our stainless steel passivating agents improve the pickling result and diminish the risk of discoloured surfaces, after pickling. The passivation layer on stainless steel surfaces is restored at the same time.

Avesta FinishOne Passivator 630

Avesta FinishOne Passivator 630 is intended for a wide range of industrial passivating applications. It offers a good general passivating result on stainless steel surfaces.

Features

  • Restores the passivation layer on stainless steel surfaces that have been damaged during fabrication such as grinding, brushing, blasting etc or usage.
  • Improves the result after pickling by speeding up the passivation process.
  • Diminishes the risk of discoloured surfaces caused by flash clouds or free iron (smut) when used wet-on-wet.
  • Reduces the formation of toxic nitric fumes during rinsing after pickling.
  • Prevents water staining caused by poor rinse water.
  • Creates no hazardous waste and contains no nitric acid.
  • Is easy to handle and classified as non-dangerous goods.

Read More

We also stock auxilliary products for safe handling and detection of Molybdenum which increases corrosion resistance.

Avesta Neutralizer 502

Avesta Neutralizer 502 is a simple way to neutralize acidic wastewater and precipitate heavy metals.

Features

  • Gives rapid precipitation of iron, chromium and nickel in the form of a sludge which can be sent for deposition.
  • Adjusts the waste water to a pH-value of 7–10 before discharge.
  • Is concentrated; one part of Avesta Neutralizer 502 treats one.

Read More

Avetsa Molydrop 960

With this simple chemical test you can check if your stock piece or scrap of stainless steel contains molybdenum. This makes it possible to differ the steel grades 304 and 316. The test will identify the grade within 5 – 10 minutes through a colour change.

Features

  • Can be used on stainless steel 300 series material to test presence of molybdenum and thereby diffentiate grade 304 (no molybdenum) from 316 (with molybdenum).

Read More

 

Frequently Asked Questions

What are pickling products used for?

Pickling products are used to remove surface imperfections from stainless steel and other metal alloys. This is done through a chemical reaction. The primary purpose of pickling is to remove impurities, scale, rust, and oxides from the surface of a metal.  This helps to leave it clean and ready for further processing.

What are the types of pickling products?

The most common types of pickling products are pickling paste, pickling spray, and pickling bath solutions.

Pickling paste is a thick gel paste that can be applied directly to the metal surface. It’s ideal for minor imperfections on flat or curved surfaces. The paste uses chemicals like hydrochloric or nitric acid to dissolve the imperfections. You then neutralise and rinse the area.

For larger-scale pickling, pickling spray and pickling baths are ideal. Pickling sprays are convenient and easy to apply. Pickling baths submerge the entire metal part in a chemical bath. The bath removes imperfections and restores the surface to a uniform finish.

What are the benefits of using pickling products on metals?

The primary benefit of pickling products is that they help prevent rust and corrosion. This is done by removing oxidation and built-up contaminants from the surface of metals. Pickling pastes and sprays create a clean surface that is less prone to corrosion. This is especially useful for metals that will be welded, soldered or joined in any way.

How do I use pickling products properly and safely?

You should always follow the instructions provided on the safety data sheet or product labels. Make sure to use these products in a well-ventilated area and wear proper protective gear. After pickling, thoroughly rinse the metal with water to remove any remaining acid residue.

Also, ensure to never pour used pickling solutions down drains or dispose of them in general waste. Dispose of  all used solutions, rinse water and waste as per the directions given and as required by local environmental regulations.

Where can I buy pickling products in Australia?

As the leading distributor for Avesta Finishing Chemicals, Midway Metals offers the widest range of pickling solutions in Australia. These include pickling spray, pickling paste, pickling baths, and other chemical products. 

So whether you need a small bottle of pickling paste or a fully automated pickling line, Midway Metals has the solution.