Sulfuric Acid Pickle Bath Tank Selection

Storing Sulfuric Acid Pickle? Start Here

Sulfuric acid pickle is a powerful solution used for removing heavy scale from steel in various industrial settings. Typically, it involves diluting concentrated sulfuric acid to an 8-15% solution and heating it to 140-180°F. This process is common in steel mills, tube mills, and wire mills across North America. If you're involved in managing these operations, you know how crucial it is to store and handle this chemical safely and efficiently.

Can you store it in a poly tank?

Yes, but with conditions. High-density polyethylene (HDPE) tanks can be used for storing diluted sulfuric acid pickle at ambient temperatures up to 110°F. However, for the heated active pickle baths, you'll need more robust materials like FRP-lined steel, lead-lined steel, or Hastelloy. Poly tanks are not suitable for these high-temperature applications.

Key Issue: Temperature Sensitivity

Temperature is a critical factor when storing sulfuric acid pickle. While HDPE tanks work for ambient storage, the solution's corrosive nature at elevated temperatures requires specialized tank materials. This ensures safety and longevity in your operations.

The safety that actually matters

Use HDPE tanks only for ambient storage up to 110°F.
For heated baths, invest in FRP-lined, lead-lined, or Hastelloy tanks.
Always match gaskets to the manufacturer's compatibility chart.

Common questions

Can I use HDPE tanks for long-term storage?: Yes, but only for ambient temperatures and diluted solutions.
What materials are best for heated pickle baths?: FRP-lined steel, lead-lined steel, or Hastelloy are recommended.
How do I choose the right gaskets?: Consult the manufacturer's compatibility chart for the best match.