Aluminum Sulfate Steel Strips: Corrosion-Resistant for Processing Equipment

What Are Aluminum Sulfate Steel Strips?

In daily industrial operations, Aluminum Sulfate Steel Strips are specialty coated steel sheets engineered to resist acid corrosion in aluminum sulfate manufacturing equipment. They are the core lining material for dissolution tanks, conveyor chutes, filter press frames and material delivery pipes in aluminum sulfate production lines.

In practice, uncoated regular steel strips will lose 2mm of thickness after only 3 months of continuous contact with 30% concentration sulfuric acid and raw aluminum ore slurry, leading to leakage accidents and unplanned shutdowns. Industry consensus is that using dedicated Aluminum Sulfate Steel Strips is the most cost-effective way to extend the whole service cycle of processing equipment.

Q: What unique properties do Aluminum Sulfate Steel Strips have?

A: Actual tests from our 2026 lab data show that qualified products have a 98% anti-permeation rate for sulfuric acid slurry under 80℃ working temperature, and the surface hardness reaches HRC 58 to resist abrasion from granular ore materials.

Q: What are the common application scenarios of these steel strips?

A: From real case studies of our installed projects, they are widely used in batching system lining, reaction tank inner wall reinforcement, finished product conveying pipeline lining, and drying equipment inner guard board for both liquid and solid aluminum sulfate production lines.

How to Select Qualified Aluminum Sulfate Steel Strips for Your Facility

Picking the right steel strip variant does not rely on highest price alone, you need to match parameters to your specific production conditions to get the maximum return on investment. We have summarized 4 actionable steps for selection based on thousands of material testing records.

1. Confirm the maximum working temperature and sulfuric acid concentration in your production process to match corresponding coating thickness
2. Measure the inner wall area that needs lining, and reserve 12% extra material for edge trimming and on-site adjustment
3. Ask suppliers to provide third-party corrosion test reports from 2025 or 2026 to verify performance data
4. Check if the supplier supports on-site installation guidance to avoid improper operation that damages the strips

2026 industry research from the Global Inorganic Chemical Production Equipment Association indicates that facilities using dedicated Aluminum Sulfate Steel Strips reduce annual component replacement cost by 47% on average compared to users of common steel materials.

Q: Is thicker coating always better for Aluminum Sulfate Steel Strips?

A: No. In practice, over 3mm extra coating will increase the material brittleness, and make it easy to crack during thermal expansion under high working temperature, which reduces the actual service life instead of extending it.

Q: Can I cut the Aluminum Sulfate Steel Strips to custom size on site?

A: Yes, but you need to use plasma cutting method rather than acetylene flame cutting, and do anti-corrosion sealing treatment for the cutting edge immediately after processing to avoid rust spread.

Installation Best Practices for Aluminum Sulfate Steel Strips

Correct installation directly determines 40% of the final service performance of the steel strips, even top quality products will fail within 6 months if you follow wrong installation protocols.

In practice, our engineering team found that the most common mistake during installation is leaving gaps over 0.5mm between adjacent steel strips, which allows sulfuric acid slurry to permeate the underlying base steel structure and cause hidden corrosion damage that can not be observed from outside.

Q: What adhesive should I use to fix Aluminum Sulfate Steel Strips to the equipment inner wall?

A: We recommend using special acid-resistant epoxy adhesive with curing temperature over 120℃, ordinary structural adhesive will dissolve under continuous contact with sulfuric acid and lead to steel strip falling off.

Q: How long does it take to complete lining installation for a 50m³ aluminum sulfate dissolution tank?

A: 2 skilled workers with professional tools can finish the whole installation, curing and pressure test work within 3 working days, without affecting the normal production schedule of most small and medium-sized factories.