Service Life = (Galvanized Content/Corrosion Amount)*90%
Coastal Area
9.5
57
Suburban Area
5.3
102
Urban Area
13.2
41
Galvanized Content=600g/㎡ (84μm)
Additional Service Life of Non-metallic Coating and Lining (CSPI)
Coating
Side Touch Water
Side Touch Soil
Additional Life (Years)
Maximum Abrasion grade
Additional Life (Years)
Bitumen Coating
2 – 20
2
25 – 50
Bitumen Coating + Lining
10 – 30
3
25 – 50
Polymer Coating
25 – 100
3
50 – 100
Polymer Coating + Lining
30 – 100
3
50 – 100
The Bottom Arch is Coated with Polymeric Asphalt
15 – 40
3
–
The Bottom Arch is Lined with Concrete or Plastic
25 – 75
4
–
https://www.micvin.com/wp-content/uploads/2025/03/micvin-building-material-logo-v1.png00micvinhttps://www.micvin.com/wp-content/uploads/2025/03/micvin-building-material-logo-v1.pngmicvin2025-04-25 18:03:452025-04-25 18:08:52Comparision of Service Life of Corrugated Steel Pipe with Different Anticorrosion Methods
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