OVERVIEW: Chemcote provided a long term corrosion protection for significantly damaged 25-year-old asset. A quick turn-around was required to meet project milestone targets and was achieved with minimal disruption to rolling mill operations. Chemcote ensure all QA and critical tolerances were adhered to provide the desired solution. No damage was visible at the six month follow up, confirming that solution will deliver long term protection against future deterioration.
INDUSTRY
ENVIRONMENT
60-70ºC Recirculated quench water used to flush mill scale
SUBSTRATE
25-year-old Mild Steel Substrate
CHALLENGE
Heavy duty internal and external repair and protection for aged asset in a corrosive environment. Internal pitting from high temperature and mill scale. External corrosion caused by leaking flanges.
SOLUTION
SCOPE
- Pre-machine rebates on all flanges
- Abrasive blast internals
- Apply glass flake filled vinyl ester to coat internals
- Conduct QA including confirmation of DFT and high voltage continuity testing
- Repair and rectify defects
- Apply 3 coats of specially chosen products to ensure heavy duty external corrosion protection
- Follow-up to ensure no damage during site installation
PRODUCT
Internals Chem-tect™ RB 364
Externals Epo-chem™ RE 500P , RW 500 & RC 500GTC
OUTCOME
Chemcote has successfully provided long-term corrosion protection for a significantly damaged 25-year-old asset. No damage was visible at the six-month follow-up, confirming that Chemcote’s solution will deliver long-term protection against future deterioration.
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